Sierra / Mallory

Additional Details:

• For: Mercury 15-25 Hp 2 cyl.

Interchanges/Replaces

Mercury Marine

• 27-414992
• 27-414993
• 27-414994
• 27-414995
• 27-892157

Mercury Race Outboard

• 27-414994

Additional Details:

• For: 18XD, 20XD (2 cyl), 25XD

Interchanges/Replaces

Mercury Marine

• 27-41499
• 27-414991
• 27-92332

Mercury Race Outboard

• 27-414991

Additional Details:

• For: V-6

Interchanges/Replaces

GLM

• 33620

Johnson/Evinrude Outboard

• 321435

Mallory

• 9-60464

Interchanges/Replaces

Yamaha Outboard

• 6H3-41114-00-00
• 6H3-41114-A0-00

Interchanges/Replaces

Yamaha Outboard

• 6E5-41112-00-00
• 6E5-41112-A0-00
• 6E5-41112-A1-00

Interchanges/Replaces

Yamaha Outboard

• 6G5-41112-00-00
• 6G5-41112-A0-00
• 6G5-41112-A1-00
• 6G5-41114-A0-00

Interchanges/Replaces

GLM

• 33230

Johnson/Evinrude Outboard

• 304762

Additional Details:

• For: V-6

Interchanges/Replaces

GLM

• 33620

Johnson/Evinrude Outboard

• 321435

Mallory

• 9-60464

Key Features:

• 6 Cyl.

Interchanges/Replaces

GLM

• 32280

Mercury Marine

• 27-60476
• 27-72507
• 27-85495
• 27-854951
• 27-854952

Interchanges/Replaces

GLM

• 32050

Mercury Marine

• 27-60477
• 27-72509
• 27-85497
• 27-854971
• 27-854972

Additional Details:

• For: Johnson/Evinrude 9.9/15HP

Interchanges/Replaces

GLM

• 34320

Johnson/Evinrude Outboard

• 318925

Additional Details:

• Fits: V-4

Interchanges/Replaces

GLM

• 34290

Johnson/Evinrude Outboard

• 317914

Mallory

• 9-60434

Interchanges/Replaces

GLM

• 33230

Johnson/Evinrude Outboard

• 304762

Interchanges/Replaces

GLM

• 34620

Johnson/Evinrude Outboard

• 31917
• 331917

Mallory

• 9-60431

Interchanges/Replaces

GLM

• 34610

Johnson/Evinrude Outboard

• 319097
• 331916

Mallory

• 9-60430

Key Features:

• Dry Joint Style

Additional Details:

• Fits: 2004 & newer MCM GM V-6 & V-8(305, 350 & 377 cid) eng. w/dry joint exh manifold (s/n 0W310000 & up)
• Fits: 2002 & newer MIE GM V-8 (350 & 377 cid) eng w/dry joint exh manifold (s/n 0M317000 & up)

Use With:

• 18-0720: Riser Gasket (Closed)
• 18-0721: Riser Gasket (Open)
• 18-0722: Riser Gasket (Restricted)
• 18-1843: Manifold
• 18-1842: V6 Dry Joint Exhaust Manifold

Interchanges/Replaces

Mercruiser Stern Drive

• 864591T02

Additional Details:

• Fits: MCM 3.7L engines with aluminum exhaust manifolds (1985-1989)

Use With:

• 18-8530: Exhaust Elbow Mounting Kit
• 18-1937: Elbow

Interchanges/Replaces

GLM

• 32470

Mallory

• 9-61412

Mercruiser Stern Drive

• 27-18272
• 27-97863

Osco

• 8561-G

Additional Details:

• Fits: MCM 120 (1993 & newer), 140/3.0L, 470, 165 in-line 6 cyl., GM V-8 small block (1982 & older)
• Fits: Ford V-8 engines

Use With:

• 18-1971: Elbow
• 18-1972: Elbow
• 18-1978: Elbow
• 18-1975-1: Riser With Exhaust Tube

Interchanges/Replaces

Barr

• MC472799777

GLM

• 31520

Mallory

• 9-61407

Mercruiser Stern Drive

• 27-52076
• 27-99777
• 27-997771
• 27-997772
• 27-99777B2

Osco

• 52076

Additional Details:

• For: Closed cooling
• Fits: GM V-6 & V-8 with center rise outlet exhaust manifold

Use With:

• 18-1908: Manifold Riser Spacer
• 18-1974-1: Elbow
• 18-1952-1: Manifold
• 18-1953-2: Manifold
• 18-1976-2: Manifold Elbow
• 18-1957-2: Manifold
• 18-1970-2: Riser Elbow

Interchanges/Replaces

Barr

• MC 20 87918
• MC-47-27-41811

GLM

• 30220

Mallory

• 9-61422

Mercruiser Stern Drive

• 27-41811
• 27-860231
• 27-863725
• 27-8637251

Osco

• 8503-GB

Additional Details:

• For: Standard cooling, restrictor gasket
• Fits: 1981-1997 GM V-6 & V-8 Engines with center rise outlet exhaust manifold

Use With:

• 18-1908: Manifold Riser Spacer
• 18-1974-1: Elbow
• 18-8556: Exhaust Elbow Mounting Kit
• 18-1952-1: Manifold
• 18-1953-2: Manifold
• 18-1958-1: Manifold
• 18-1962-1: Manifold
• 18-1985: Manifold Spacer
• 18-1976-2: Manifold Elbow
• 18-1957-2: Manifold
• 18-1970-2: Riser Elbow

Interchanges/Replaces

Barr

• MC 20 99208
• MC47-27-41813

GLM

• 30240

Mallory

• 9-61413

Mercruiser Stern Drive

• 27-41813
• 27-860233
• 27-863724

Osco

• 8503-GR