Wehrli · New
Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug
MPN WCF205-280 · Store SKU wcfWCF205-280
Supplier stock checked 11/7/2026, 6:00:02 AM UTC. Adding a part does not reserve it.
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
For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax. Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory turbocharger. Billet aluminum machined with Black Anodized finish. Wehrli Custom Fab Plug, for Upper Coolant Pipe on LB7/LLY/LBZ/LMM Duramax Plug, for Upper Coolant Pipe on LB7/LLY/LBZ/LMM D-Max
Manufacturer fitment & guides
Check WCF205-280 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