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

Additional Details:

• Fits: MCM 3.7L engines (1983-1989)

Interchanges/Replaces

GLM

• 39040

Mercruiser Stern Drive

• 27-41636A1
• 27-43186A1
• 27-89656A1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0111	Barr MC47-27-89657 GLM 32370 Mercruiser Stern Drive 27-89657	2	Exhaust Elbow Gasket		N/A
18-0158	Barr MC472770905 GLM 31750 Mercruiser Stern Drive 27-70905	1	Intake Manifold Gasket		N/A
18-0172	Mercruiser Stern Drive 26-97530	2	Oil Seal		N/A
18-0175	GLM 81080 Mercruiser Stern Drive 25-26543 Mercury Marine 25-26543	4	O-Ring		N/A
18-0185	GLM 32390 Mercruiser Stern Drive 27-91892	1	Remote Oil Seal		N/A
18-0860	GLM 81520 Mercruiser Stern Drive 25-62700 Mercury Marine 25-62700 Mercury Sport Jet 25-62700	1	O-Ring		N/A
18-0864	Mallory 9-61623 Mercruiser Stern Drive 26-67389 26-90925	1	One Piece Rear Main 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
18-0889	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
18-0994	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
18-2555	GLM 32100 Mercruiser Stern Drive 27-89656 27-896561	1	Thermostat Cover Gasket		N/A
18-2843	Barr MC472774830 GLM 31840 Mercruiser Stern Drive 27-74830	1	Thermostat Gasket		N/A
18-2848	GLM 30380 Mallory 9-61004 Mercruiser Stern Drive 27-52457 27-524571 27-524572	1	Carburetor Base Gasket		N/A
18-3878	Chrysler Inboard 4417375 GLM 36120 Mallory 9-63702 9-63711 Mercruiser Stern Drive 27-13709 27-13709T 27-74264 27-79986 27-92166 27-921661 OMC Stern Drive 912766	1	Head Gasket		N/A
18-4366	GLM 30850 Mercruiser Stern Drive 27-72479 27-72479A5 27-72479T	1	Oil Pan Gasket Set		N/A
18-7121	GLM 82350 Mallory 9-76651 Mercruiser Stern Drive 25-35029 27-882613 802231 Mercury Marine 25-35029 OMC Stern Drive 308621	1	O-Ring		N/A
18-0578	Mercruiser Stern Drive 26-67388	1	Oil Seal		N/A
18-0113-1	Barr MC47-27-97542 GLM 32460 Mallory 9-61411 Mercruiser Stern Drive 27-856705 27-97542 Osco 0879-G	1	Exhaust Elbow Gasket		N/A
18-0881-1	GLM 32470 Mallory 9-61412 Mercruiser Stern Drive 27-18272 27-97863 Osco 8561-G	1	Exhaust Elbow Gasket		N/A
18-0956-1	Chrysler Inboard 118-614 GLM 33800 Mallory 9-61418 Mercruiser Stern Drive 27-68715 OMC Stern Drive 912405	1	Exhaust Manifold Gasket		N/A
18-4380	GLM 30300 Mallory 9-61010 Mercruiser Stern Drive 27-68714A6 27-68714A7	1	Timing Chain Gasket Set		N/A
NSS	Mercruiser Stern Drive 27-94976	1	Gasket, Flywheel Housing	No Image	N/A
NSS	Mercruiser Stern Drive 25-58390	1	O-RIng	No Image	N/A
NSS	Mercruiser Stern Drive 27-94136	1	Gasket	No Image	N/A