Fuel Pump / for Mercruiser 42725A3 GM (V-6) 225
Mouse Over to Zoom
Click to Enlarge

SIERRAFuel Pump / for Mercruiser 42725A3 GM (V-6) 225


Temporarily Out of Stock
Email me when in stock, opens dialog
Model # 2353530 | Mfg # 18-7282UPC # 30999322531


Fuel Pump / for Mercruiser 42725A3 GM (V-6) 225

Name Value
Type Fuel Pumps

Product Overview

Mechanical fuel pump for MerCruiser and OMC engines

For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of engine manufacturers and boat builders to a point of supplying them with OEM parts. Boaters can be assured a Sierra part will fit and restore function.

This mechanical pump replaces the pump found on 4 cylinder 2.5L, 3.0L and 3.7L engines. It produces 6-8 PSI and meets manufacturers specifications for approved applications. Included mounting gasket makes installation straight forward.

Key Features

  • Engineered to meet or exceed OEM specifications
  • Includes mounting gasket for easy installation
  • Replaces MerCruiser 8M0073435, Mallory 9-37422 and many others 
  • Backed by SeaStar Solutions Two-Year Limited Warranty

See our Engine Parts Selector to confirm this pump is right (or to find the correct one) for your application.

Fits MerCruiser

  • 42725A3
  • 861676T09
  • 8M0073435
  • 861676A1

Fits Mallory

  • 9-35422

Fits OMC

  • 509407


The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.

Related West Advisor Articles


Product Q & A