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Poppet Valve Diaphragm - Mercury / Mariner 30-125 HP (1997, 2007, 2012, 2014-2015) OEM# 812887002 | WSM 540-36

Poppet Valve Diaphragm - Mercury / Mariner 30-125 HP (1997, 2007, 2012, 2014-2015) OEM# 812887002 | WSM 540-36

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Poppet Valve Diaphragm Mercury / Mariner 30 - 125 Hp 91-14 OEM# 812887002

This WSM poppet valve diaphragm is a quality aftermarket replacement part designed for Mariner 2 Cyl 2.992 Bore 30 and 11 other compatible models.

It replaces selected OEM reference numbers including 812887002, 8128871 and is suitable for service, repair and rebuild work.

Key Features

  • Quality aftermarket replacement part from WSM
  • Engineered for dependable fit, function and service life
  • Designed for marine and powersports repair and maintenance
  • Compatible with 13 listed fitments
  • Replaces selected OEM reference numbers listed below

Product Details

  • Brand: WSM
  • WSM Part Number: 540-36
  • Product: Poppet Valve Diaphragm
  • OEM Reference: 812887002, 8128871
  • Application: Mariner 2 Cyl 2.992 Bore 30 and 11 other compatible models

Product Fitment

This part is suitable for the following models:

  • Mariner 2 Cyl 2.992 Bore 30 – All Years
  • Mercury 2 Cyl 2.992 Bore 40 – 1994-2007
  • Mercury 2 Cyl 40 – 1994-2007
  • Mercury 3 Cyl 2.955 Bore Looper 50 – 2014
  • Mercury 3 Cyl 2.955 Bore Looper 60 – 1991-1997
  • Mercury 3 Cyl 2.992 Bore 55 – 1991-1997
  • Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 115 – 1991-1997
  • Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 125 – 2004-2014
  • Mercury 3 Cyl 3.6255 Bore 1.5L Optimax 80 – 2006-2012
  • Mercury Mercury – 2007-2014
  • Mercury 3 Cyl Jet 45 – 2004-2014
  • 3 Cyl Pro XS 115 – 1991-1997
  • 2010-2015

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.

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

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