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Sierra 18-7689 Marine Fuel Injector for Volvo Penta & OMC Stern Drive

Manufacturer

Picture for manufacturer Sierra

Part Number

18-7689
11 reviews
Sale Price

$350.11

1 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-7689 is a premium aftermarket throttle body fuel injector (TBI) engineered as a direct replacement for Volvo Penta and OMC Stern Drive marine engines. Designed to deliver precise fuel metering in demanding on-water conditions, this injector restores proper engine performance and fuel efficiency to factory specifications.

Key Features:

  • Direct-fit replacement for Volvo Penta and OMC Stern Drive applications
  • Throttle body injection (TBI) design for compatible 4.3L and 5.7L marine engines
  • Meets or exceeds OEM manufacturer specifications
  • Built for premium quality and longer service life in harsh marine environments
  • Backed by Sierra's limited lifetime warranty

Cross-Reference Part Numbers:

  • Replaces Volvo Penta / OMC: 3855182
  • Replaces Mallory: 9-33107

Sierra is a trusted name in marine aftermarket parts, offering engineered replacements for thousands of marine components. The 18-7689 fuel injector is an ideal solution for restoring proper fuel delivery and maintaining peak engine performance on Volvo Penta and OMC Stern Drive-equipped vessels.

Service was great. The Diamond Eye exhaust is high quality. 100% satisfied.

Fast

The application will work but I have to modify it slightly as the bolt circle in a little undersized for my application.

Great website & fair prices!

fast and efficient site. Good prices

Great prices, quick shipping, customer service a bit difficult to reach. But, after reaching customer service, issue was resolved without a problem.

Great thanks !!!

A bit pricier than other sites, but if you have the item in stock and I don't have to wait a month to get it.

Quick and easy.

Very prompt service constantly helping me keep track of my order.

Good prices and availability. easy to use web site.

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