Manifold 

Key Features:

• Supplied with gaskets
• Will fit port and starboard
• Ideally suited for freshwater applications

Additional Details:

• Fits: MCM/MIE GM V-8 (305, 350 & 377 cid) engines (1983-2002)

Use With:

• 18-8520: Exhaust Manifold Mounting Kit
• 18-1908: Manifold Riser Spacer
• 18-1985: Manifold Spacer
• 18-8554: Exhaust Elbow Mounting Kit
• 18-8555: Exhaust Elbow Mounting Kit
• 18-8556: Exhaust Elbow Mounting Kit
• 18-0672: Exhaust Elbow Gasket
• 18-1974-1: Elbow
• 18-0897: Exhaust Elbow Gasket
• 18-2849-1: Exhaust Elbow Gasket
• 18-2949: Exhaust Manifold Gasket
• 18-2949-9: Exhaust Manifold Gasket (Priced Per Pkg of 2)
• 18-1970-2: Riser Elbow
• 18-1976-2: Manifold Elbow

Interchanges/Replaces

Barr

• MC-1-87114

GLM

• 51230

HGE

• 7114

Mallory

• 9-40507

Marine Power

• 0994-100

Mercruiser Stern Drive

• 860246Q11

Osco

• 7114B2

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-4224	GLM 13990 Mallory 9-41200 Mercruiser Stern Drive 22-806926A1 22-862210A01	1	Drain Elbow Assembly		N/A
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	1	Exhaust Elbow Gasket		N/A
18-2949	Barr CHV-47-000 MC 47 27 33395 Crusader 96306 GLM 31100 Mercruiser Stern Drive 27-33395 27-33395B Osco CV-GH Volvo Penta 835966 856034	1	Exhaust Manifold Gasket		N/A