Free shipping on eligible orders of $100 or more. Oversized and freight items excluded.

Shop parts / Wehrli / New

Wehrli 01-07 GM Duramax LB7/LLY/LBZ OEM Placement Coolant Tank - Gun Metal

Wehrli · New

Wehrli 01-07 GM Duramax LB7/LLY/LBZ OEM Placement Coolant Tank - Gun Metal

MPN WCF100645-GM · Store SKU wcfWCF100645-GM

$489.00
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 12:35:17 PM UTC. Adding a part does not reserve it.

30-day returns for unopened, unused new parts

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

Shipping & returns ↗This policy does not limit rights required by law.

Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

WCFab's Fabricated Aluminum Coolant Tank Kit for the 2001-2007 Chevrolet Silverado and GMC Sierra 2500 and 3500 HD trucks equipped with the 6.6L Duramax diesel engine mounts in the OEM coolant tank location. Dress up your engine bay by replacing the ugly clear plastic coolant reservoir with our custom powder coated fabricated aluminum coolant tank with sight glass. Includes black anodized CNC machined billet aluminum cap, mounting hardware, overflow hose and low coolant sensor. Will fit on stock trucks with no other modifications necessary. Uses OEM mounting points. Installs easily with basic hand tools. Replaces the following GM Part Numbers: 15808714, 15290795, 19353729 Wehrli Custom Fab Coolant Tank, OEM Placement, for 01-07 Duramax LB7/LLY/LBZ, Gun Metal Coolant Tank, OEM Placement, for 01-07 Duramax LB7/LLY/LBZ, Gun Metal

Manufacturer fitment & guides

Check WCF100645-GM against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • California Proposition 65: Y
More from Wehrli ↗See the JuiceBuilt workshop ↗

YOUR NEXT MOVE

Your build.