Wehrli Custom Fabrication WCF100311-KIWI Upper Coolant Pipe Kiwi Green Anodized

The Wehrli Custom Fabrication WCF100311-KIWI Upper Coolant Pipe is a precision-machined billet aluminum replacement coolant pipe designed to upgrade the factory plastic upper coolant pipe found on GM Duramax diesel engines. Engineered to eliminate the common failure point of the OEM plastic pipe, this direct-fit billet aluminum unit offers superior durability and long-term reliability in high-heat, high-pressure cooling system environments.

Key Features:

• CNC-machined from high-grade billet aluminum for maximum strength and durability
• Finished in Wehrli's signature Kiwi Green anodized coating for corrosion resistance and show-quality aesthetics
• Direct OEM replacement — no cutting, welding, or modification required
• Eliminates the cracking and failure risks associated with the factory plastic coolant pipe
• Precision fitment ensures leak-free sealing with factory O-rings or included hardware
• Designed and manufactured in the USA by Wehrli Custom Fabrication

Wehrli Custom Fabrication is a trusted name in the Duramax performance community, known for producing high-quality billet aluminum engine components that combine form and function. The WCF100311-KIWI upper coolant pipe is an ideal upgrade for anyone looking to improve the reliability of their cooling system while adding a custom, color-matched appearance under the hood.