Internal Engine - Gaskets and Matl and Sets

Key Features:

• For: 140 HP & 3.0L (1973-88)

Interchanges/Replaces

GLM

• 39820

Mallory

• 9-61100

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-2946	Chris-Craft 16.50-00204 GLM 36150 Mallory 9-63700 Mercruiser Stern Drive 27-52364 27-810841 FI5000204 OMC Stern Drive 0914812 3853336 908611 913274 Volvo Penta 3853336 908611	1	Head Gasket		N/A
18-0347	GLM 32210 Mallory 9-61317 Mercruiser Stern Drive 27-34041 27-52145 27-806452 27-851040 OMC Stern Drive 3852693 912981 913277 Volvo Penta 3852693	1	Valve Cover Gasket		N/A
18-2875-1	Barr OMC47908013 GLM 33770 Mallory 9-65100 OMC Stern Drive 3850495 908013 Osco 0188-G Volvo Penta 3850495	1	Exhaust Elbow 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
18-2861-1	Barr OMC47311121 GLM 33330 OMC Stern Drive 311121	3	Manifold End Cap Gasket
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
18-0164	GLM 31340 Mallory 9-60074 Mercruiser Stern Drive 27-8146801 OMC Stern Drive 311069 3789161 3852096 Volvo Penta 3852096 Yamaha Sterndrive GM 3789161 YSC-13080-00-0C	1	Thermostat Housing Gasket		N/A
18-1204-1	Barr MC472796429 GLM 33570 Mallory 9-61419 Mercruiser Stern Drive 27-96429 OMC Stern Drive 912164 Osco MO4-GH	1	Exhaust Manifold Mounting Gasket		N/A
18-0114-1	Barr OMC47907761 GLM 32580 OMC Stern Drive 907761	1	Manifold End Gasket		N/A
18-2912-1	Barr MC47-27-53354 OMC47-908079 GLM 31570 Mallory 9-61417 Mercruiser Stern Drive 27-53354 OMC Stern Drive 908079	1	Exhaust Manifold Gasket		N/A
18-0937	Barr OMC47315055 GLM 34700 OMC Stern Drive 315055	1	Carburetor Mounting Gasket		N/A
18-2858	Barr OMC47314809 GLM 33440 Mallory 9-60016 OMC Stern Drive 314809 3852127 Volvo Penta 3852127	1	Thermostat 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
NSS	OMC Stern Drive 913278	1	Gasket, Oil Pan	No Image	N/A
NSS	OMC Stern Drive 912958 3852658	1	Gasket, Pump Cover	No Image	N/A

Additional Details:

• For: GM 454 (7.4L) CID Eng
• Production Models: oval port

Interchanges/Replaces

GLM

• 39020

Mallory

• 9-61102

Mercruiser Stern Drive

• 27-801853

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3877	Chris-Craft 16.50-00259 Crusader 30266 GLM 36110 Mallory 9-63701 Mercruiser Stern Drive 27-13218 27-13687 27-19315 27-49104 27-61224 27-8M0049045 27-97529 OMC Stern Drive 914849	2	Head Gasket
18-0464	GLM 30350 Mallory 9-61302 Mercruiser Stern Drive 27-49121 27-91831 OMC Stern Drive 912768	2	Valve Cover Gasket
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
18-2844	Barr MC472748818 GLM 31510 Mallory 9-60010 Mercruiser Stern Drive 27-48818 27-488181 27-48818Q01	1	Thermostat Gasket		N/A
18-0348	GLM 39490 Mallory 9-61501 Mercruiser Stern Drive 27-49107 27-52550 FI1100229 FI5000229 FI5000245 OMC Inboard 3931593	1	Oil Pan Gasket Set		N/A
18-0980	GLM 30440 Mercruiser Stern Drive 27-49109 27-54529 FI1100990 FI110990 OMC Inboard 3935449 OMC Stern Drive 3935449	1	Timing Cover Gasket		N/A
18-0903	GLM 31770 Mallory 9-60066 Mercruiser Stern Drive 27-49110 FI1101000 OMC Stern Drive 3853361 914874 Volvo Penta 3853361 856610 Yamaha Sterndrive YSG-38600-39-G0	2	Water Pump Gasket
18-0885-1	Barr MC472748042 GLM 31480 Mercruiser Stern Drive 27-48042	4	Exhaust Elbow Gasket
18-2832-1	Barr MC47-27-48043 GLM 31490 Mallory 9-61424 Mercruiser Stern Drive 27-48043 27-480431 Osco 48043	4	Manifold End Cap Gasket
18-0418	Barr CHVA470000 MC47-27-46820 Crusader 96653 GLM 33760 Mallory 9-61400 Mercruiser Stern Drive 27-46820 OMC Inboard 909613 OMC Stern Drive 3852472 909613 Osco CW-GH Volvo Penta 3852472	2	Exhaust Manifold Mounting Gasket
18-4022	Mallory 9-61652 Mercruiser Stern Drive 26-49131 26-67863 26-75982 26-75988 F3866612 FI1100968 FI1101117	16	Valve Stem Seal
18-2848	GLM 30380 Mallory 9-61004 Mercruiser Stern Drive 27-52457 27-524571 27-524572	2	Carburetor Base Gasket
18-0897	Barr MC 20 99208 MC47-27-41813 GLM 30240 Mallory 9-61413 Mercruiser Stern Drive 27-41813 27-860233 27-863724 Osco 8503-GR	2	Exhaust Elbow Gasket
18-2849-1	Barr MC 47 27 87105 GLM 32080 Mallory 9-61414 Mercruiser Stern Drive 27-818832 27-860232 27-863726 27-87105 27-871051 Osco 8503-GO	4	Exhaust Elbow Gasket
18-2554	GLM 31630 Mallory 9-60006 Mercruiser Stern Drive 27-41812 27-41812B 27-41812Q 27-90556 Osco 41812	2	Thermostat Cover Gasket

Additional Details:

• For: GM 153 (2.5L) CID Eng; s/n 2324347 & Up

Use With:

• 18-3880: Head Gasket

Interchanges/Replaces

GLM

• 39050

Mallory

• 9-61103

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-3880	GLM 36130 Mallory 9-63704 Mercruiser Stern Drive 27-34273 27-342731 OMC Stern Drive 311210	1	Head Gasket		N/A
18-0347	GLM 32210 Mallory 9-61317 Mercruiser Stern Drive 27-34041 27-52145 27-806452 27-851040 OMC Stern Drive 3852693 912981 913277 Volvo Penta 3852693	1	Valve Cover Gasket		N/A
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
18-0328	GLM 30100 Mercruiser Stern Drive 27-34208	1	Push Rod / Lifter Cover 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
18-0466	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
18-0356	GLM 31660 Mallory 9-61007 Mercruiser Stern Drive 27-32910 27-64692	1	Carburetor Mounting 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
18-0889	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
18-2832-1	Barr MC47-27-48043 GLM 31490 Mallory 9-61424 Mercruiser Stern Drive 27-48043 27-480431 Osco 48043	1	Manifold End Cap Gasket		N/A
18-0928-1	Barr MC472773814 GLM 30920 Mercruiser Stern Drive 27-73814 27-738141 27-807218	1	Gasket, Manifold End Cap		N/A
18-1204-1	Barr MC472796429 GLM 33570 Mallory 9-61419 Mercruiser Stern Drive 27-96429 OMC Stern Drive 912164 Osco MO4-GH	1	Exhaust Manifold Mounting Gasket		N/A
18-2833	Barr MC472799777 GLM 31520 Mallory 9-61407 Mercruiser Stern Drive 27-52076 27-99777 27-997771 27-997772 27-99777B2 Osco 52076	1	Exhaust Elbow Gasket		N/A
18-0164	GLM 31340 Mallory 9-60074 Mercruiser Stern Drive 27-8146801 OMC Stern Drive 311069 3789161 3852096 Volvo Penta 3852096 Yamaha Sterndrive GM 3789161 YSC-13080-00-0C	1	Thermostat Housing Gasket		N/A
18-2831	Barr MC472747590 GLM 31430 Mallory 9-60012 Mercruiser Stern Drive 27-47590 27-475901 27-47590B1	1	Thermostat Cover Gasket		N/A
18-2896-1	Barr MC472752546 GLM 31550 Mallory 9-61426 Mercruiser Stern Drive 27-32816 27-52546 OMC Stern Drive 311068 Osco CY4-GH	1	Exhaust Manifold Gasket		N/A
18-2819-1	Barr MC472739915 GLM 31410 Mallory 9-61423 Mercruiser Stern Drive 27-39915 Osco 5538-G	1	Exhaust Elbow Gasket		N/A
9-61408	Mercruiser Stern Drive 27-39917	1	GASKET,END CAP TO MANIFOLD		N/A
18-1210-1	Barr MC472739923 GLM 31420 Mallory 9-61409 Mercruiser Stern Drive 27-39923 Osco 52076	1	End Cap to Manifold Gasket		N/A
NSS	Mercruiser Stern Drive 12-73812	1	Gasket, End Cap	No Image	N/A
NSS	Mercruiser Stern Drive 27-35898 27-35898T	1	Gasket, Intake Manifold	No Image	N/A
NSS	Mercruiser Stern Drive 27-34460	1	Gasket, Oil Pump Cover	No Image	N/A
NSS	Mercruiser Stern Drive 27-32815	1	Gasket, Choke Oven Cover	No Image	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

Interchanges/Replaces

GLM

• 30760

Mallory

• 9-60053

Mercury Marine

• 27-69524
• 27-695241
• 27-695242

Additional Details:

• Fits: Mercury 75 4-Stroke (2000-2003) and 90 4-Stroke (2000 & Up)
• Fits: Yamaha F75 (2003-04), F80 (1999-03), F90 (2003-04), F100 (1999-02)

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-7155	Chrysler/Force/US Marine 25-26855 GLM 82230 Johnson/Evinrude Outboard 305270 Mallory 9-76541 Mercruiser Stern Drive 25-26855 Mercury Marine 25-26855 Yamaha Outboard 93210-41MJ2-00	6	O-Ring		N/A
NSS	Yamaha Outboard 67F-13645-00-00	1	Gasket, Manifold	No Image	N/A
NSS	Yamaha Outboard 93210-40M10-00	4	O-Ring	No Image	N/A

Interchanges/Replaces

Chrysler/Force/US Marine

• 27-F40223

GLM

• 37120

Key Features:

• V-4

Interchanges/Replaces

Johnson/Evinrude Outboard

• 309956

Interchanges/Replaces

GLM

• 32830

Mallory

• 9-60043

Mercury Marine

• 27-43007
• 27-430073
• 27-430075

Interchanges/Replaces

GLM

• 31530

Mallory

• 9-60045

Mercury Marine

• 27-78069
• 27-8231421

Mercury Race Outboard

• 27-78069
• 27-823142
• 27-8231422

Interchanges/Replaces

GLM

• 31640

Mallory

• 9-60058

Mercury Marine

• 27-37976
• 27-62860
• 27-628601

Interchanges/Replaces

GLM

• 31980

Mallory

• 9-60059

Mercury Marine

• 27-76589
• 27-78623
• 27-88451
• 27-884511

Interchanges/Replaces

GLM

• 35340

Johnson/Evinrude Outboard

• 326468
• 351018

Mallory

• 9-60421

Interchanges/Replaces

GLM

• 35360

Johnson/Evinrude Outboard

• 328283
• 351019

Mallory

• 9-60422

Interchanges/Replaces

Mallory

• 9-60396

Yamaha Outboard

• 6G5-45113-00-00
• 6G5-45113-A0-00
• 6G5-45113-A1-00
• 6G5-45113-A2-00

Interchanges/Replaces

Mercury Marine

• 27-48713
• 27-56304

Interchanges/Replaces

Mercury Marine

• 27-78069
• 27-823142
• 27-8231421
• 27-8231422

Mercury Race Outboard

• 27-8231422

Interchanges/Replaces

GLM

• 34880

Johnson/Evinrude Outboard

• 318373

Interchanges/Replaces

GLM

• 37570

Mercury Marine

• 27-183071
• 27-183076

Interchanges/Replaces

GLM

• 30990

Mercury Marine

• 27-37725
• 27-72496
• 27-79650
• 27-796501