Additional Details:

• Fits: IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One & Gen II

Interchanges/Replaces

GLM

• 21620

Mallory

• 9-75114

Mercruiser Stern Drive

• 30-17927
• 30-35914
• 30-88957
• 30-88957A1
• 30-88957T

Mercury Marine

• 30-17927
• 30-35914
• 30-88957
• 30-88957A1
• 30-88957T

Mercury Race Outboard

• 30-35914
• 30-88957
• 30-88957A1
• 30-88957T

Interchanges/Replaces

Chrysler/Force/US Marine

• F694830

GLM

• 37500

Interchanges/Replaces

Mercury Marine

• 27-84024
• 27-84024M

Yamaha Outboard

• 682-44315-00-00
• 682-44315-A0-00

Additional Details:

• Fits: GM V-6 & V-8 (305, 350 & 377 cid) engines

Interchanges/Replaces

Chris-Craft

• 16.50-00078

GLM

• 31380

Mallory

• 9-60065

Mercruiser Stern Drive

• 27-34896
• 27-34897
• FI5000077
• FI5000078

OMC Inboard

• 909835

OMC Stern Drive

• 3852477
• 909835

Volvo Penta

• 3852477

Yamaha Sterndrive

• YSG-37545-87-G0

Interchanges/Replaces

OMC Stern Drive

• 911702

Interchanges/Replaces

GLM

• 12091

Mallory

• 9-45283

OMC Stern Drive

• 984461

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2541	GLM 86630 OMC Stern Drive 911704	1	Rubber Seal		N/A
18-2916	GLM 34770 OMC Stern Drive 911702	1	Water Pump Housing Gasket		N/A
18-3058	GLM 89950 Mallory 9-45280 OMC Stern Drive 777128 983895	1	Impeller		N/A
18-3121	GLM 12760 OMC Stern Drive 911703	1	Impeller Plate		N/A
18-3145	GLM 12391 Mallory 9-43500 OMC Stern Drive 764197 911844	1	Pump Liner		N/A

Key Features:

• For: All OMC Cobra Drives-2.3 (1987-90), 2.5 (1986), 3.0 (1986-93)
• For: All OMC Cobra Drives 4.3 (1986-93), 4.6 (1989), 5.0 (1986-93), 5.7 (1986-93)
• For: All OMC Cobra Drives 5.8 (1989-93), 7.5 (1987-89)

Use With:

• 18-3058: Impeller

Interchanges/Replaces

Johnson/Evinrude Outboard

• 984461

Mallory

• 9-45285

OMC Stern Drive

• 984461

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3206	GLM 12405 Mallory 9-43200 OMC Stern Drive 984744	1	Water Pump Housing		N/A
18-2916	GLM 34770 OMC Stern Drive 911702	1	Water Pump Housing Gasket		N/A
18-3145	GLM 12391 Mallory 9-43500 OMC Stern Drive 764197 911844	1	Pump Liner		N/A
18-3121	GLM 12760 OMC Stern Drive 911703	1	Impeller Plate		N/A
18-3058	GLM 89950 Mallory 9-45280 OMC Stern Drive 777128 983895	1	Impeller		N/A
18-2541	GLM 86630 OMC Stern Drive 911704	1	Rubber Seal		N/A

Additional Details:

• Fins: 12
• For: Crusader 305, 350, & 454 CID

Interchanges/Replaces

GLM

• 89621

Jabsco

• 18948-0001

Mallory

• 9-45706

Sherwood

• 10615K

Volvo Penta

• 835874

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3061	Crusader 20300 20310 GLM 89611 Jabsco 18948-0001 Mallory 9-45708 Oberdorfer 8922 Pleasurecraft RP061017 Sherwood 10615 Volvo Penta 835874	1	Impeller		N/A
18-0499	Chrysler Inboard 10612	1	Water Pump Plate Gasket		N/A
18-3140	Crusader 20302 Sherwood 10931	1	Water Pump Gasket		N/A
18-7480	Pleasurecraft RO47111	1	Quad Ring		N/A

Interchanges/Replaces

GLM

• 12210

Johnson/Evinrude Outboard

• 391635
• 439077

Mallory

• 9-48204

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2705	GLM 86491 Johnson/Evinrude Outboard 315748 Mallory 9-43612	1	Oil Seal		N/A
18-2709	GLM 33150 Johnson/Evinrude Outboard 336530 Mallory 9-60409	1	Wear Plate Gasket		N/A
18-3055	GLM 89690 Johnson/Evinrude Outboard 389589 777129 Mallory 9-45202	1	Impeller		N/A
18-3336	GLM 12450 Johnson/Evinrude Outboard 384087 Mallory 9-43204	1	Water Pump Housing		N/A
18-3337	GLM 86494 Johnson/Evinrude Outboard 315837 Mallory 9-43613	1	Grommet		N/A
18-3343	GLM 12620 Johnson/Evinrude Outboard 320981 Mallory 9-43403	1	Wear Plate		N/A
18-3365	GLM 22325 Johnson/Evinrude Outboard 909533	2	Stainless Steel Bolts		N/A
18-3369	GLM 22360 Johnson/Evinrude Outboard 319126	2	Stainless Steel Bolts		N/A
18-7134	Chrysler/Force/US Marine 25-20195 25-F40342 GLM 81120 Johnson/Evinrude Outboard 303059 339543 Mallory 9-76511 Mercruiser Stern Drive 25-20195 25-201951 Mercury Marine 25-20195 OMC Stern Drive 303059	1	O-Ring		N/A
NSS	Johnson/Evinrude Outboard 320775	1	Liner	No Image	N/A
NSS	Johnson/Evinrude Outboard 320776	1	Wear Plate	No Image	N/A

Interchanges/Replaces

Johnson/Evinrude Outboard

• 0396933
• 0439077

Mallory

• 9-48207

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2705	GLM 86491 Johnson/Evinrude Outboard 315748 Mallory 9-43612	1	Oil Seal		N/A
18-2709	GLM 33150 Johnson/Evinrude Outboard 336530 Mallory 9-60409	1	Wear Plate Gasket		N/A
18-3336	GLM 12450 Johnson/Evinrude Outboard 384087 Mallory 9-43204	1	Water Pump Housing		N/A
18-3337	GLM 86494 Johnson/Evinrude Outboard 315837 Mallory 9-43613	1	Grommet		N/A
18-3343	GLM 12620 Johnson/Evinrude Outboard 320981 Mallory 9-43403	1	Wear Plate		N/A
18-3365	GLM 22325 Johnson/Evinrude Outboard 909533	2	Stainless Steel Bolts		N/A
18-3368	GLM 89780 Johnson/Evinrude Outboard 396809 777214 Mallory 9-45208	1	Impeller		N/A
18-3369	GLM 22360 Johnson/Evinrude Outboard 319126	2	Stainless Steel Bolts		N/A
18-7134	Chrysler/Force/US Marine 25-20195 25-F40342 GLM 81120 Johnson/Evinrude Outboard 303059 339543 Mallory 9-76511 Mercruiser Stern Drive 25-20195 25-201951 Mercury Marine 25-20195 OMC Stern Drive 303059	1	O-Ring		N/A
NSS	Johnson/Evinrude Outboard 320775	1	Liner	No Image	N/A
NSS	Johnson/Evinrude Outboard 388891	1	Guide, Water Tube	No Image	N/A
NSS	Johnson/Evinrude Outboard 320776	1	Wear Plate	No Image	N/A
18-3295	GLM 89593 Johnson/Evinrude Outboard 330619 344470	1	Impeller Key		N/A
18-2659	GLM 87603 Johnson/Evinrude Outboard 0396355 Mallory 9-74102	1	Lower Unit Seal Kit		N/A
9-76517	Johnson/Evinrude Outboard 315788	1	IMPELLER HOUSING SEAL		N/A

Interchanges/Replaces

Johnson/Evinrude Outboard

• 0433548
• 0433549
• 0438592

Mallory

• 9-48209

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
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
18-3126	GLM 12560 Johnson/Evinrude Outboard 321940 Mallory 9-43408	1	Wear Plate		N/A
18-3133	GLM 22323 Johnson/Evinrude Outboard 331979 Mallory 9-48218	4	Stainless Steel Bolt		N/A
18-3138	GLM 89592 Johnson/Evinrude Outboard 334897	1	Impeller Key		N/A
18-7481	GLM 86570 Johnson/Evinrude Outboard 324981 Mallory 9-43632	1	O-Ring		N/A
18-3104-1	GLM 89790 Johnson/Evinrude Outboard 432941 437059 765350 Mallory 9-45204 9-45204-10 9-45211	1	Impeller		N/A
18-3127	GLM 12550 Johnson/Evinrude Outboard 319275 341038	1	Impeller Plate		N/A
NSS	Johnson/Evinrude Outboard 324980	1	Liner	No Image	N/A