Wehrli · New
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Illusion Purple
MPN WCF100708-IP · Store SKU wcfWCF100708-IP
Supplier stock checked 11/7/2026, 1:31:45 PM 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
WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. Replaces the factory two piece 2 1/2" intercooler pipe with a high flow one piece 3" pipe. It also includes upgraded silicone boots that withstand higher pressure and temperature than the factory boots to increase reliability and eliminate blown factory boots. - - Replaces the following GM Part Numbers: 87839947 Wehrli Custom Fab Driver Side 3 in. Intercooler Pipe, 17-19 Duramax L5P, Illusion Purple Driver Side 3 in. Intercooler Pipe, 17-19 Duramax L5P, Illusion Purple
Manufacturer fitment & guides
Check WCF100708-IP against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y