Manifold 

Key Features:

• GM 181 cu. in. 3.0L, 4 cylinder / fits most 140 models

Use With:

• 18-0937: Carburetor Mounting Gasket
• 18-1922: Manifold Elbow
• 18-1972: Elbow
• 18-1975-1: Riser With Exhaust Tube
• 18-0114-1: Manifold End Gasket
• 18-1204-1: Exhaust Manifold Mounting Gasket
• 18-2861-1: Manifold End Cap Gasket

Interchanges/Replaces

Barr

• OMC-1-984054

GLM

• 51442

OMC Stern Drive

• 984054

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
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
18-4256	Mallory 9-40545	1	Pipe Plug		N/A
18-4218	GLM 13993 Mallory 9-41201 Mercruiser Stern Drive 22-16951A1 22-16951Q1 22-16951T1 22-16951T1 22-64426 22-87238 OMC Inboard 379957 OMC Stern Drive 379957 Volvo Penta 82745	1	Drain Tap		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
18-2861-1	Barr OMC47311121 GLM 33330 OMC Stern Drive 311121	1	Manifold End Cap Gasket		N/A
18-0114-1	Barr OMC47907761 GLM 32580 OMC Stern Drive 907761	1	Manifold End Gasket		N/A