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Wehrli

Wehrli Duramax Coolant Plug

$24.32

On Backorder — Expected to ship by Apr 29, 2026

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Wehrli Duramax Coolant Plug. This black anodized billet aluminum plug fits a 1.1" bore for your Duramax engine cover.

Key Features

  • This product is a billet aluminum coolant plug with a black anodized finish.
  • It is designed for Duramax engine covers and fits a 1.1-inch bore.
  • Includes a high-temperature silicone O-ring seal for a secure fit.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

With this Wehrli Custom Fab coolant plug, you get a billet aluminum plug with a black anodized finish, designed specifically for the Duramax engine cover. It's made to fit a 1.1-inch bore and includes a high-temperature silicone O-ring seal to ensure a solid connection.

This plug is a well-built piece crafted from billet aluminum, giving it strength and a clean look with its black anodized coating. The included O-ring is made from high-temperature silicone, which is important for maintaining a seal in the engine bay where temperatures can get pretty warm. It's a straightforward part that addresses a specific need for Duramax owners working on their engine covers.

Specifications

Brand
Wehrli
Manufacturer Part #
WCF100025
UPC
100025

Frequently Asked Questions

Wehrli Duramax Coolant Plug

$24.32