Gasket Exhaust Manifold - Mercruiser / Volvo GM 5.0 / 5.7 / 6.2L V8 305 / 350 CI. (1982, 1995-1998, 2004-2005, 2010, 2015) OEM# 27-33395 | WSM 583-420

Gasket Exhaust Manifold Mercruiser / Volvo GM 5.0 / 5.7 / 6.2L V8 305 / 350 CI. OEM# 27-33395

This WSM gasket exhaust manifold is a quality aftermarket replacement part designed for Mercruiser 230/5.0 X 4bbl SN 0B525982-0F6000999 305 and 9 other compatible models.

It replaces selected OEM reference numbers including 27-33395, 33395, 3852468, 835256, 835966, 856034, S18-0872, S18-2949 and is suitable for service, repair and rebuild work.

Key Features

• Quality replacement gasket designed for dependable sealing performance
• Ideal for service, repair and engine rebuild work
• Manufactured for fit, durability and reliable installation
• Compatible with 11 listed fitments
• Replaces selected OEM reference numbers listed below

Product Details

• Brand: WSM
• WSM Part Number: 583-420
• Product: Gasket Exhaust Manifold
• OEM Reference: 27-33395, 33395, 3852468, 835256, 835966, 856034, S18-0872, S18-2949
• Application: Mercruiser 230/5.0 X 4bbl SN 0B525982-0F6000999 305 and 9 other compatible models

Product Fitment

This part is suitable for the following models:

• Mercruiser 230/5.0 X 4bbl SN 0B525982-0F6000999 305 – 1980-1982
• Mercruiser 350 Mag.Alpha 4bbl SN 0F601000-up 350 – 1987-1995
• Mercruiser 5.7 280 – 1996
• Mercruiser Alpha EFI 5.0 220 – 1990-2010
• Mercruiser Alpha MPI 5.7 260 – 1998
• Mercruiser Black Hawk 350 300 – 1998-2015
• Mercruiser Bravo I + Bravo I X MX 6.2L MPI 15 Spline 320 – 1994-2004
• Mercruiser Aquamatic 5.7L SX 19 Spline 5.7 – 1988-1998
• Volvo Penta GiE-300 5.7 – 2001-2005
• Volvo Penta Volvo Penta – 2007-2015
• 1993-1997

Why Buy WSM

WSM is a trusted manufacturer of aftermarket marine and powersports parts, known for dependable quality, strong fitment coverage and workshop-ready replacement components.

You May Also Need

Browse related parts for compatible models:

• Ignition Coil Mercury / Mercruiser 30 - 250 Hp 01-10 OEM# 300-8M0077471 – 376-9984
• Bearing Reverse Gear Mercury / Mariner / Mercruiser / Yamaha 110 - 300 Hp OEM# 31-88957T – 447-308
• Gasket Water Pump Force / Mercury / Mariner / Mercruiser 40 - 300 Hp OEM# 27-817277 – 447-329
• Seal Carrier Assembly Mercury / Mariner / Mercruiser 200 - 300 Hp OEM# 18-2354 – 449-332

Please use the fitment guide, OEM references and images to confirm this is the correct part before ordering.