Sierra / Mallory

Use With:

• 18-1913: Elbow
• 18-1941: Manifold End Plate
• 18-1942: Manifold End Plate w/ hole
• 18-1945: Riser
• 18-1946: Elbow
• 18-1940: Manifold

Interchanges/Replaces

Barr

• CM-20-6674P

Mallory

• 9-40373

Osco

• 480-MK

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-4257		2	Pipe Plug		N/A
18-4263	Chrysler/Force/US Marine 22-328021 22-328022 F700633 FI5810151 GLM 21893 Mercruiser Stern Drive 22-32802 22-328021 22-328022 22-841908 Mercury Marine 22-30139 22-32802 22-328021 22-328022	1	Pipe Plug		N/A
18-2941	Barr CM 1 6672D Chrysler Inboard 2469559 2847480 Mallory 9-65300 Osco 480	1	End Cap Gasket (Open)		N/A

Additional Details:

• I.D.: 95mm
• Length: 160mm

Interchanges/Replaces

Mallory

• 9-42700

Volvo Penta

• 834751

Additional Details:

• I.D.: 4"

Interchanges/Replaces

GLM

• 89222

Mallory

• 9-72800
• 9-72814

OMC Stern Drive

• 3852741
• 911741
• 913591

Volvo Penta

• 3852741
• 3863450

Additional Details:

• I.D.: 4"

Interchanges/Replaces

GLM

• 89230

Mallory

• 9-72801

OMC Stern Drive

• 3852742
• 912376
• 913592

Volvo Penta

• 3852742

Additional Details:

• I.D.: 4"

Interchanges/Replaces

GLM

• 89224

Mallory

• 9-72802

OMC Stern Drive

• 3852696
• 913405

Volvo Penta

• 3852696

Interchanges/Replaces

GLM

• 33080

Johnson/Evinrude Outboard

• 325721

Additional Details:

• For: 5, 5.5, 6 HP

Interchanges/Replaces

GLM

• 33170

Johnson/Evinrude Outboard

• 306205
• 313065

Interchanges/Replaces

Johnson/Evinrude Outboard

• 304314

Interchanges/Replaces

GLM

• 85630

Mercury Marine

• 37721
• 37721001

Interchanges/Replaces

GLM

• 85830

Johnson/Evinrude Outboard

• 320936

Interchanges/Replaces

GLM

• 86210

Johnson/Evinrude Outboard

• 324937

Key Features:

• Dry Joint Style

Additional Details:

• Fits: MCM/MIE GM V-8 (305, 350 & 377 cid) engines with dry joint exhaust (2002 & newer)

Use With:

• 18-1845: Exhaust Elbow
• 18-0720: Riser Gasket (Closed)
• 18-0721: Riser Gasket (Open)
• 18-0722: Riser Gasket (Restricted)
• 18-2949: Exhaust Manifold Gasket

Interchanges/Replaces

Mercruiser Stern Drive

• 864308T01
• 865049T01
• 865735A02

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
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
18-4224	GLM 13990 Mallory 9-41200 Mercruiser Stern Drive 22-806926A1 22-862210A01	1	Drain Elbow Assembly		N/A
NSS	Mercruiser Stern Drive 10-52143	4	Bolt	No Image	N/A

Interchanges/Replaces

GLM

• 33690

Johnson/Evinrude Outboard

• 324323

Interchanges/Replaces

GLM

• 33680

Johnson/Evinrude Outboard

• 323469

Additional Details:

• Fits: MCM 3.0L (1998 & Newer) & MCM 3.0LX (1990-1997)

Interchanges/Replaces

GLM

• 33580

Mallory

• 9-61428

Mercruiser Stern Drive

• 27-815528

OMC Stern Drive

• 3853256
• 914518

Volvo Penta

• 3853256

Key Features:

• Inline 6 cyl.

Additional Details:

• Fits: 160, 165 & 200 (6cy.) (1967-1981)

Use With:

• 18-1960-1: Manifold

Interchanges/Replaces

Barr

• MC47-27-46401

GLM

• 31440

Mallory

• 9-61416

Mercruiser Stern Drive

• 27-33121
• 27-46401
• 27-52584
• 879036

OMC Stern Drive

• 907932

Osco

• CY6-GH

Additional Details:

• Fits: MCM 140 (1968-1982)

Interchanges/Replaces

Barr

• MC47-27-53354
• OMC47-908079

GLM

• 31570

Mallory

• 9-61417

Mercruiser Stern Drive

• 27-53354

OMC Stern Drive

• 908079

Additional Details:

• Fits: Ford 460 CID
• Fits: MCM 3.7L engines

Interchanges/Replaces

Chrysler Inboard

• 118-614

GLM

• 33800

Mallory

• 9-61418

Mercruiser Stern Drive

• 27-68715

OMC Stern Drive

• 912405

Additional Details:

• Fits: MCM/MIE GM V-8 (283, 305, 350 & 377 cid) engines

Use With:

• 18-1902: Manifold
• 18-1903: Manifold
• 18-1925: Manifold
• 18-1926: Manifold
• 18-1931-1: Manifold
• 18-1951-1: Manifold
• 18-1986-1: Manifold
• 18-1997-1: Manifold
• 18-1950-1: Manifold
• 18-1953-2: Manifold
• 18-8502: Exhaust Manifold Mounting Kit

Interchanges/Replaces

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

Interchanges/Replaces

Johnson/Evinrude Outboard

• 329833
• 343863

Mallory

• 9-60432