Wehrli Custom Fabrication WCF100542-BG Coolant Tank Kit - Blueberry

The Wehrli Custom Fabrication WCF100542-BG Coolant Tank Kit is a premium aftermarket cooling system upgrade designed for high-performance diesel and powersports applications. Wehrli Custom Fabrication (WCF) is renowned for their precision-welded billet aluminum and steel components, built to handle the thermal demands of modified and high-output engines.

This coolant tank kit provides an upgraded reservoir solution over the factory unit, improving coolant capacity and system reliability — a critical upgrade for trucks and vehicles running elevated coolant temperatures under tow, race, or modified conditions. The "BG" suffix in the part number denotes the Blueberry (blue/purple) powder coat finish, one of WCF's signature color options.

Key Features:

• High-quality fabricated coolant overflow/expansion tank kit
• Blueberry (BG) powder coat finish for a custom underhood appearance
• Precision TIG-welded construction for leak-free durability
• Improved coolant capacity over OEM reservoir
• Designed for direct-fit installation with included hardware
• Built to withstand high operating temperatures and pressures
• Manufactured in the USA by Wehrli Custom Fabrication

Wehrli Custom Fabrication products are engineered and produced in-house in Woodridge, Illinois, ensuring strict quality control. This coolant tank kit is ideal for diesel truck enthusiasts seeking both functional performance improvements and a clean, color-matched engine bay aesthetic.