Additional Details:

• Fits: MCM 3.7L engines (1976-1989)

Interchanges/Replaces

Barr

• MC472770905

GLM

• 31750

Mercruiser Stern Drive

• 27-70905

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
• Would use the same short block & valve grind gasket sets w/ different exhaust manifold gasket kits

Additional Details:

• For: 4 cyl 3.7L Mercruiser 470

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0158	Barr MC472770905 GLM 31750 Mercruiser Stern Drive 27-70905	1	Intake Manifold 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
18-4023	Mercruiser Stern Drive 26-58094 26-72564 26-75413 26-75624	8	Valve Stem Seal		N/A
18-0685	GLM 31820 Mallory 9-61313 Mercruiser Stern Drive 27-73666	1	Valve Cover 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