Key Features:

• Minimizes inventory investment to cover most major engine applications
• Maximizes inventory utilizations via mix and match system
• Utilizes generic type gasket kits common among all engine brands
• Except models with cast push rod cover

Additional Details:

• For: Chevy 4 cyl 153/2.5L (1965-88) (For Models w/ 1 piece rear main seal use 18-1206)
• For: Chevy 4 cyl 181/3.0L (1973-84) (For models w/ 1 piece rear main seal use 18-1206)
• For: Chevy 4 cyl 181/3.0L HO (1990-98) (For models w/ 1 piece rear main seal use 18-1206)
• For: Chevy 4 cyl 181/3.0L (1985-89)

Interchanges/Replaces

Mallory

• 9-61700

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0327	GLM 31350 Mallory 9-60067 Mercruiser Stern Drive 27-33956 27-810848 27-879150138 FI5000200 FI5000219 OMC Stern Drive 311851 3853342 914819 Volvo Penta 3853342	1	Water Pump Gasket		N/A
18-0466	GLM 39470 Mallory 9-61509 Mercruiser Stern Drive 27-14901 27-14901A1 27-52144 OMC Stern Drive 3923440	1	Oil Pan Gasket Set		N/A
18-0874	Chris-Craft 16.50-00162 GLM 31370 Mercruiser Stern Drive 27-34486 27-344861 27-344863 27-34891 27-52184 F3932344 FI5000162 OMC Stern Drive 312780 3852109 Volvo Penta 3852109 835154 Yamaha Sterndrive YSG-10108-44-5G	1	Distributor Gasket		N/A
18-0887	GLM 30360 Mallory 9-61602 Mercruiser Stern Drive 27-34216 27-49953 FI5000201 OMC Stern Drive 3852691 912988 913275 Volvo Penta 3852691 Yamaha Sterndrive YSG-14096-15-6G	1	Timing Cover Gasket		N/A
18-0889	Chris-Craft 16.50-00074 GLM 31360 Mallory 9-61041 Mercruiser Stern Drive 27-34213 27-56883 FI5000074 OMC Stern Drive 311064 3852095 Pleasurecraft 3705042 Volvo Penta 3852095 Yamaha Sterndrive YSG-10114-14-1G	1	Fuel Pump Gasket		N/A
18-0948	GLM 32300 Mercruiser Stern Drive 27-87707	1	Distributor Gasket		N/A
18-1211	GLM 85490 Mallory 9-61620 Mercruiser Stern Drive 26-49947 26-58203 26-814622 FI5110026 FI5110027 FI5110041 OMC Inboard 473424 OMC Stern Drive 473424	1	Rear Main Seal		N/A
18-1213	Mallory 9-61610 Mercruiser Stern Drive 26-11973 26-34218 26-42750 26-49952 26-54799 26-59342 26-79223 26-97335 FI1100202 FI1100806 FI1101076 FI1101263 FI3835946 FI5110043 OMC Stern Drive 3853341 912989 914817 Volvo Penta 3853341 856665	1	Timing Cover Seal		N/A
18-2815	GLM 32640 Mallory 9-61312 Mercruiser Stern Drive 27-814703 FI5000119 FI5000199 OMC Stern Drive 3852692 912982 913276 Volvo Penta 3852692	1	Push Rod Cover Gasket		N/A

Key Features:

• Minimizes inventory investment to cover most major engine applications
• Maximizes inventory utilizations via mix and match system
• Utilizes generic type gasket kits common among all engine brands
• 24 Bolt Pan Only

Additional Details:

• For: Chevy 6 cyl 250/4.1L

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0327	GLM 31350 Mallory 9-60067 Mercruiser Stern Drive 27-33956 27-810848 27-879150138 FI5000200 FI5000219 OMC Stern Drive 311851 3853342 914819 Volvo Penta 3853342	1	Water Pump Gasket		N/A
18-0329	GLM 30120 Mercruiser Stern Drive 27-34209	2	Push Rod / Lifter Cover Gasket
18-0340	GLM 39130 Mallory 9-61503 Mercruiser Stern Drive 27-34207 27-49949 OMC Stern Drive 508713	1	Oil Pan Gasket Set		N/A
18-0874	Chris-Craft 16.50-00162 GLM 31370 Mercruiser Stern Drive 27-34486 27-344861 27-344863 27-34891 27-52184 F3932344 FI5000162 OMC Stern Drive 312780 3852109 Volvo Penta 3852109 835154 Yamaha Sterndrive YSG-10108-44-5G	1	Distributor Gasket		N/A
18-0887	GLM 30360 Mallory 9-61602 Mercruiser Stern Drive 27-34216 27-49953 FI5000201 OMC Stern Drive 3852691 912988 913275 Volvo Penta 3852691 Yamaha Sterndrive YSG-14096-15-6G	1	Timing Cover Gasket		N/A
18-0889	Chris-Craft 16.50-00074 GLM 31360 Mallory 9-61041 Mercruiser Stern Drive 27-34213 27-56883 FI5000074 OMC Stern Drive 311064 3852095 Pleasurecraft 3705042 Volvo Penta 3852095 Yamaha Sterndrive YSG-10114-14-1G	1	Fuel Pump Gasket		N/A
18-1211	GLM 85490 Mallory 9-61620 Mercruiser Stern Drive 26-49947 26-58203 26-814622 FI5110026 FI5110027 FI5110041 OMC Inboard 473424 OMC Stern Drive 473424	1	Rear Main Seal		N/A
18-1213	Mallory 9-61610 Mercruiser Stern Drive 26-11973 26-34218 26-42750 26-49952 26-54799 26-59342 26-79223 26-97335 FI1100202 FI1100806 FI1101076 FI1101263 FI3835946 FI5110043 OMC Stern Drive 3853341 912989 914817 Volvo Penta 3853341 856665	1	Timing Cover Seal		N/A

Key Features:

• Minimizes inventory investment to cover most major engine applications
• Maximizes inventory utilizations via mix and match system
• Utilizes generic type gasket kits common among all engine brands

Additional Details:

• For: Chevy V-6 262/4.3L - 1 Piece Rear Seal
• For: Chevy V-6 262/4.3L Gen II - 1 Piece Rear Seal (1986-1995)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0311	Crusader 97686 GLM 30359 Mallory 9-61316 Mercruiser Stern Drive 27-11988 27-8M0077607 OMC Stern Drive 3854942 Volvo Penta 3854942	2	Valve Cover Gasket		N/A
18-0463	Mercruiser Stern Drive 27-814210	1	Carburetor Mounting Gasket		N/A
18-0518	Mercruiser Stern Drive 26-34217 FI1100152 OMC Stern Drive 3853132 3854956 914323 Volvo Penta 3853132 3854956 914323	12	Valve Stem Seal		N/A
18-0874	Chris-Craft 16.50-00162 GLM 31370 Mercruiser Stern Drive 27-34486 27-344861 27-344863 27-34891 27-52184 F3932344 FI5000162 OMC Stern Drive 312780 3852109 Volvo Penta 3852109 835154 Yamaha Sterndrive YSG-10108-44-5G	1	Distributor Gasket		N/A
18-0994	Barr MC472770143 GLM 32180 Mallory 9-61011 Mercruiser Stern Drive 27-70143 27-701431 27-70143B1 27-807982 27-8079821 27-807982B	1	Carburetor Mounting Gasket		N/A
18-1238	GLM 30351 Mercruiser Stern Drive 27-824326 OMC Stern Drive 3850379 912979 Volvo Penta 3850379 912979	1	Intake Gasket Set		N/A
18-3879	Crusader 33408 GLM 36100 Mallory 9-63707 Mercruiser Stern Drive 27-11986 27-42744 27-816460 27-879150140 OMC Stern Drive 3854299 910833 912227 914930 Volvo Penta 3854299 856371	2	Head Gasket
18-4024	Mallory 9-61650 9-61653 Mercruiser Stern Drive 26-8M0050563 26-97664 26-976641 FI1101200 OMC Stern Drive 3853226 914445 Volvo Penta 3853226 914445	6	Intake Valve Stem Seal		N/A