Wehrli Custom Fabrication WCF100860-BRZ Duramax Upper Coolant Pipe Bronze

The Wehrli Custom Fabrication WCF100860-BRZ is a direct-fit upper coolant pipe upgrade designed for early-generation Duramax diesel engines. Built from heavy-duty 14-gauge aluminum, this pipe replaces the factory coolant line with a more durable, precision-fabricated solution finished in a striking Bronze custom powder coat.

Wehrli Custom Fabrication (WCFab) is renowned for their high-quality diesel performance components, and this upper coolant pipe is no exception. Every detail is engineered for reliable, long-term performance under demanding conditions — whether you're hauling, towing, or competing.

What's Included:

• 14-gauge aluminum coolant pipe — lightweight yet durable construction
• Silicone boots — high-temp silicone for a leak-free seal
• Stainless steel T-bolt clamps — corrosion-resistant clamping hardware
• Bronze custom powder coat finish — durable, show-quality appearance

This WCFab upper coolant pipe is a direct OEM replacement that installs using factory mounting points, making for a straightforward installation without modifications. The Bronze powder coat finish adds a distinctive, custom look to your engine bay while the aluminum construction provides superior heat and corrosion resistance compared to the factory plastic components.