Designed for American Waters and Weather

Quality U.S. and Imported Marine Parts Built to Last!

Sierra Marine (MW)
118-3878

Sierra 18-3878 Head Gasket Replaces 27-13709 - (MW)

SKU SIE-18-3878 MPN 118-3878 UPC 808282258931 MFR Sierra Marine (MW)

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Toronto, ON Vancouver, BC NJ, Warehouse FL, Warehouse

On Back Order

This item is currently on backorder. You can still place an order, but it will only ship once it’s back in stock.

$41.59
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Sierra 18-3878 Head Gasket for OMC, Mercruiser, and Chrysler

Sierra replacement engine parts are designed to meet OEM specifications. Sierra 18-3878 Head Gasket fits MCM 3.7L engines (1976-1989).

  • For 460 Ford

Interchangeable with:

  • Chrysler Inboard
    • 4417375
  • GLM
    • 36120
  • Mallory
    • 9-63702
    • 9-63711
  • Mercruiser Stern Drive
    • 27-13709T
    • 27-13709
    • 27-92166
    • 27-79986
    • 27-74264
    • 27-921661
  • OMC Stern Drive
    • 912766

WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

Product Specifications

Dimensions24.0000" L × 12.0000" W × 4.0000" H
Shipping Weight.51 lb
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Proudly serving customers across United States & Canada with Marine, RV parts and accessories.

Shipping Warehouse Locations:
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About Us

LibertyMarineUSA supplies marine and RV parts and accessories from trusted U.S. manufacturers and proven, quality-approved imported manufacturers. We focus on dependable, quality-tested products from reliable sources, so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.