Additional Details:

• Temperature Rating: 142°F
• Fits: 1983 & newer GM V-6 & V-8 engines with standard cooling

Interchanges/Replaces

GLM

• 13390

Mallory

• 9-43150

Mercruiser Stern Drive

• 807252Q4
• 807252T4
• 807252T7

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2552	GLM 31670 Mallory 9-60008 Mercruiser Stern Drive 27-331791 27-331792 27-33179B2	1	Thermostat Cover Gasket		N/A
18-2553	GLM 31460 Mallory 9-60005 Mercruiser Stern Drive 27-47510 27-47510Q Osco 47510	1	Thermostat Cover Gasket		N/A
18-2554	GLM 31630 Mallory 9-60006 Mercruiser Stern Drive 27-41812 27-41812B 27-41812Q 27-90556 Osco 41812	1	Thermostat Cover Gasket		N/A
18-2917	GLM 31560 GM 3701777 Mallory 9-60007 9-60007-10 Mercruiser Stern Drive 27-33179 27-53045 27-530451 27-53045B1 F10077105 FI1101276 FI1101291 FI5000096 OMC Inboard 3701777 OMC Stern Drive 3701777	1	Thermostat Gasket		N/A
18-3551	Chrysler Inboard 4142885 Crusader 96319 GLM 13030 Mallory 9-43013 Mercruiser Stern Drive 32728 35884 59137 59137A1 67464 8052731 8072521 807252T1 8M0089715 Osco 143-DEG Pleasurecraft RO26002E	1	Thermostat		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A

Additional Details:

• Fits: 1987 & newer GM engines with standard cooling requiring a 160° thermostat
• Temperature rating: 160°F

Interchanges/Replaces

GLM

• 13101

Mallory

• 9-43157

Mercruiser Stern Drive

• 807252Q5
• 807252T8

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2552	GLM 31670 Mallory 9-60008 Mercruiser Stern Drive 27-331791 27-331792 27-33179B2	1	Thermostat Cover Gasket		N/A
18-2553	GLM 31460 Mallory 9-60005 Mercruiser Stern Drive 27-47510 27-47510Q Osco 47510	1	Thermostat Cover Gasket		N/A
18-2844	Barr MC472748818 GLM 31510 Mallory 9-60010 Mercruiser Stern Drive 27-48818 27-488181 27-48818Q01	1	Thermostat Gasket		N/A
18-2917	GLM 31560 GM 3701777 Mallory 9-60007 9-60007-10 Mercruiser Stern Drive 27-33179 27-53045 27-530451 27-53045B1 F10077105 FI1101276 FI1101291 FI5000096 OMC Inboard 3701777 OMC Stern Drive 3701777	1	Thermostat Gasket		N/A
18-3649	Crusader 97895 GLM 13100 Mallory 9-43002 Mercruiser Stern Drive 8052732 8072522 807252T2 8M0091470 8M0109441	1	Thermostat		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-0398	GLM 35060 Mallory 9-60009 Mercruiser Stern Drive 27-33918 27-8M2021920 OMC Stern Drive 312797 3852111 Volvo Penta 3852111 835417 856347	1	Thermostat Gasket		N/A

Additional Details:

• For:: #1 Units thru S/N D494569
• Type: Similar to 18-3314, 18-3316, 18-3319 without base or housing

Interchanges/Replaces

GLM

• 12290

Mallory

• 9-48304

Mercruiser Stern Drive

• 46-96148A8

Mercury Marine

• 46-32437A1
• 46-32437A3
• 46-37433A1
• 46-42579A4
• 46-44292A4
• 46-44579A4
• 46-48747A3
• 46-57234A3
• 46-58618A4
• 46-60367A1
• 46-60367A4
• 46-64141A11
• 46-69222A3
• 46-73803A3
• 46-73804A3
• 46-78400A2
• 46-9614888
• 46-96148A5
• 46-96148A8

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3110	GLM 12830 Mallory 9-43604 Mercruiser Stern Drive 26-38970 Mercury Marine 26-29677 26-36557A1 26-38970	1	Water Pump Housing Bushing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercury Marine 25-38099	1	O-Ring	No Image	N/A

Additional Details:

• For:: # 1/R Units without flush S/N 2763442-6854392

Interchanges/Replaces

GLM

• 12110

Mallory

• 9-48305

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3110	GLM 12830 Mallory 9-43604 Mercruiser Stern Drive 26-38970 Mercury Marine 26-29677 26-36557A1 26-38970	1	Water Pump Housing Bushing		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-3417	GLM 12310 Mallory 9-43306 Mercruiser Stern Drive 46-57234A1	1	Water Pump Base		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercruiser Stern Drive 25-38099	1	O-Ring	No Image	N/A

Key Features:

• Same as 18-3316 except base. Includes Water Pump Base (46-8M0077147) 18-3419

Interchanges/Replaces

Mallory

• 9-48306

Mercruiser Stern Drive

• 46-32437A3
• 46-37433A1
• 96-96148A8

Mercury Marine

• 46-32437A1
• 46-37433A1
• 46-42579A4
• 46-44292A4
• 46-48747A3
• 46-57234A3
• 46-58618A4
• 46-60367A1
• 46-60367A4
• 46-64141A11
• 46-69222A3
• 46-73802A3
• 46-73804A3
• 46-78400A2
• 46-96148A5
• 46-96148A8

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-3419	GLM 12360 Mallory 9-43307 Mercury Marine 46-42579A3 46-8M0077147	1	Water Pump Base		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercury Marine 25-38099	1	O-Ring	No Image	N/A

Additional Details:

• For: MR/Alpha I Units S/N 6854393-0D469858

Interchanges/Replaces

GLM

• 12120

Mallory

• 9-48307

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3110	GLM 12830 Mallory 9-43604 Mercruiser Stern Drive 26-38970 Mercury Marine 26-29677 26-36557A1 26-38970	1	Water Pump Housing Bushing		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-3420	GLM 12320 Mallory 9-43308 Mercruiser Stern Drive 46-44292A3 46-44292Q03 46-44292T1 Mercury Marine 46-44292A3 46-44292Q03 46-44292T1	1	Water Pump Base		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercruiser Stern Drive 25-38099	1	O-Ring	No Image	N/A

Additional Details:

• For: #1 Units with flush S/N 2495186-2763441

Interchanges/Replaces

GLM

• 12130

Mallory

• 9-48308

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3110	GLM 12830 Mallory 9-43604 Mercruiser Stern Drive 26-38970 Mercury Marine 26-29677 26-36557A1 26-38970	1	Water Pump Housing Bushing		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-3421	GLM 12330 Mallory 9-43309 Mercruiser Stern Drive 46-48748A1	1	Water Pump Base		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercruiser Stern Drive 25-38099	1	O-Ring	No Image	N/A

Interchanges/Replaces

GLM

• 12140

Mallory

• 9-48309

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3110	GLM 12830 Mallory 9-43604 Mercruiser Stern Drive 26-38970 Mercury Marine 26-29677 26-36557A1 26-38970	1	Water Pump Housing Bushing		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-3414	GLM 12370 Mallory 9-43304 Mercury Marine 46-73804A1 46-96146A5	1	Water Pump Base		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercury Marine 25-38099	1	O-Ring	No Image	N/A

Key Features:

• Same as 18-3319 except base. Includes Water Pump Base (46-96146A6) 18-3416

Interchanges/Replaces

GLM

• 12150

Mallory

• 9-48310

Mercruiser Stern Drive

• 46-32437A3
• 46-37433A1
• 46-96148A8

Mercury Marine

• 46-32437A1
• 46-37433A1
• 46-42579A4
• 46-44292A4
• 46-48747A3
• 46-57234A3
• 46-58618A4
• 46-60367A1
• 46-60367A4
• 46-64141A11
• 46-69222A3
• 46-73802A3
• 46-73804A3
• 46-78400A2
• 46-96148A5
• 46-96148A8

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-3416	GLM 12350 Mallory 9-43305 Mercury Marine 46-73802A2 46-78400A1 46-96146A2 46-96146A6 Mercury Race Outboard 46-96146A6	1	Water Pump Base		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercury Marine 25-38099	1	O-Ring	No Image	N/A

Additional Details:

• Note: Does not include Base
• Fits: Mercury/Mariner 65hp (4 cylinder) through V-6 outboards w/short-vane impellers
• Fits: Mercruiser I/R/MR/Alpha drives (s/n 2495186-0D469858)

Interchanges/Replaces

GLM

• 12280

Mallory

• 9-48311

Mercruiser Stern Drive

• 46-32437A3
• 46-37433A1
• 46-96148A8

Mercury Marine

• 46-32437A1
• 46-37433A1
• 46-42579A4
• 46-44292A4
• 46-48747A3
• 46-57234A3
• 46-58618A4
• 46-60367A1
• 46-60367A4
• 46-64141A11
• 46-69222A3
• 46-73802A3
• 46-73804A3
• 46-78400A2
• 46-96148A5
• 46-96148A8

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2801	GLM 31030 Mallory 9-60028 Mercruiser Stern Drive 27-32438 Mercury Marine 27-32438	1	Water Pump Gasket		N/A
18-2826	GLM 31040 Mallory 9-60036 Mercruiser Stern Drive 27-33146 27-856704 Mercury Marine 27-33146 27-85610 27-856101	1	Water Pump Base Gasket		N/A
18-2914	GLM 31010 Mallory 9-60034 Mercruiser Stern Drive 27-32433 27-856081 27-8M0090319 Mercury Marine 27-30603 27-32433 27-85608 27-856081 27-8M0090319	1	Water Pump Gasket		N/A
18-2915	GLM 31020 Mallory 9-60035 Mercruiser Stern Drive 27-32434 27-856091 27-858524 Mercury Marine 27-30604 27-32434 27-85609 27-856091 27-858524	1	Water Pump Gasket		N/A
18-2919	GLM 31050 Mallory 9-60031 Mercruiser Stern Drive 27-426311 Mercury Marine 27-42631 27-426311	1	Water Pump Gasket		N/A
18-2944	GLM 85140 Mallory 9-76512 Mercruiser Stern Drive 26-45577 26-455771 26-45577B 26-45577B1	1	Seal Ring Gasket		N/A
18-2945	Chrysler/Force/US Marine 12-19183 F50556 F8077 F8186 Johnson/Evinrude Outboard 307552 Mallory 9-60101 9-60102 Mercruiser Stern Drive 12-19183 12-191832 12-191833 12-19183B 12-20260 12-20260B Mercury Marine 12-19183 12-191832 12-191833 12-20260	2	Drain Screw Gasket		N/A
18-3017	Chrysler/Force/US Marine 47-803631T 47-F694065 GLM 89840 Mallory 9-45306 Mercruiser Stern Drive 47-30221 47-65960 47-89984 47-89984T4 Mercury Marine 47-30221 47-65960 47-85460 47-89984 47-899842 47-899844 47-89984T3 47-89984T4	1	Impeller		N/A
18-3109	GLM 12820 Mallory 9-43623 Mercruiser Stern Drive 23-29804 23-29804T 23-52928 Mercury Marine 23-29804 23-29804T	1	Water Tube Guide		N/A
18-3116	GLM 12410 Mallory 9-43211 Mercruiser Stern Drive 46-48743A1 46-64141A1 46-96148A1 46-96148T1 Mercury Marine 46-48743A1 46-64141A1 46-96148 46-96148A1 46-96148T1	1	Water Pump Housing		N/A
18-3117	GLM 12510 Mallory 9-43400 Mercruiser Stern Drive 32435 Mercury Marine 30605 32435 324351 32435B	1	Impeller Plate		N/A
18-7158	GLM 81160 Johnson/Evinrude Outboard 309731 310585 Mallory 9-76543 Mercruiser Stern Drive 25-30613 25-846357 Mercury Marine 25-30613 25-846357 OMC Stern Drive 310585 310967	1	O-Ring		N/A
18-7162	Chrysler/Force/US Marine 25-33145 GLM 82260 Johnson/Evinrude Outboard 302337 Mallory 9-76547 Mercruiser Stern Drive 25-32424 25-33145 Mercury Marine 25-33145 Mercury Sport Jet 25-33145 OMC Stern Drive 302337 302377 3852044 Sears 25-33145 Volvo Penta 3852044	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7176	Chrysler/Force/US Marine 25-90011 25-F74305 F694555 F74035 F74305-1 GLM 81390 Mallory 9-76554 Mercruiser Stern Drive 25-896523 25-90011 Mercury Marine 25-896523 25-90011	1	O-Ring		N/A
18-7426	GLM 21330 Mallory 9-76562 Mercruiser Stern Drive 25-30271 Mercury Marine 25-30271 Mercury Sport Jet 25-30271	1	O-Ring		N/A
NSS	Mercury Marine 25-38099	1	O-Ring	No Image	N/A

Interchanges/Replaces

GLM

• 87614

Johnson/Evinrude Outboard

• 0433550

Mallory

• 9-74104

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2018	GLM 86380 Johnson/Evinrude Outboard 0305987 0767970 Mallory 9-76200	2	Oil Seal		N/A
18-2059	GLM 86160 Johnson/Evinrude Outboard 0321466 313337 318223 Mallory 9-76205	1	Oil Seal		N/A
18-2064	GLM 86460 Johnson/Evinrude Outboard 0332205 Mallory 9-76213	1	Oil Seal		N/A
18-2705	GLM 86491 Johnson/Evinrude Outboard 315748 Mallory 9-43612	1	Oil Seal		N/A
18-2708	GLM 86497 Johnson/Evinrude Outboard 333758 Mallory 9-43624	1	Grommet		N/A
18-2709	GLM 33150 Johnson/Evinrude Outboard 336530 Mallory 9-60409	1	Wear Plate Gasket		N/A
18-4248	Johnson/Evinrude Outboard 311598 Mallory 9-60408 OMC Stern Drive 311598 3852105 Volvo Penta 3852105	1	Drain/Fill Plug Washer		N/A
18-7115	GLM 82240 Johnson/Evinrude Outboard 302588 Mercruiser Stern Drive 25-20266 25-26722 Mercury Marine 25-20266 25-26722 OMC Stern Drive 302588	1	O-Ring		N/A
18-7120	Chrysler/Force/US Marine 25-25007 25-38933 25-F498618 26-817469 27-843672 F498619 GLM 80090 Johnson/Evinrude Outboard 307853 Mallory 9-76526 Mercury Marine 25-38933 Mercury Sport Jet 25-38933 OMC Stern Drive 307853 332598	1	O-Ring		N/A
18-7137	GLM 45200 Johnson/Evinrude Outboard 318372 Mallory 9-76531 OMC Stern Drive 318372	1	O-Ring		N/A
18-7172	GLM 82360 Johnson/Evinrude Outboard 553126 Mallory 9-76552 Mercruiser Stern Drive 25-31305 Mercury Marine 25-31305 OMC Stern Drive 553126	1	O-Ring		N/A
18-7173	Chrysler/Force/US Marine 25-30224 GLM 82250 Johnson/Evinrude Outboard 310327 Mallory 9-76501 Mercruiser Stern Drive 25-30224 25-30224Q Mercury Marine 25-27018 25-30224 25-30224Q OMC Stern Drive 310327	1	O-Ring		N/A
18-7481	GLM 86570 Johnson/Evinrude Outboard 324981 Mallory 9-43632	1	O-Ring		N/A
18-7461	GLM 81290 Johnson/Evinrude Outboard 308458	1	O-Ring		N/A
18-7109	GLM 80100 Johnson/Evinrude Outboard 317178 OMC Stern Drive 317178	1	O-Ring		N/A
18-0559	Johnson/Evinrude Outboard 0332585	1	Oil Seal		N/A