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Wehrli

Wehrli 17-19 GM Duramax L5P Driver Side 3in Intercooler Pipe - Bengal Grey

Wehrli 17-19 GM Duramax L5P Driver Side 3in Intercooler Pipe - Bengal Grey

$352.99 USD
$352.99 USD
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Shipping calculated at checkout.

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Shipping & returns

Shipping is calculated at checkout by size and destination. Most in-stock gear ships within a few business days; large freight items (campers, racks, bumpers) are made to order. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

Fitment & build help

Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

Warranty

Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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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

This Part Fits:

Year Make Model Submodel
2017-2019 Chevrolet Silverado 2500 HD High Country
2017-2019 Chevrolet Silverado 2500 HD LT
2017-2019 Chevrolet Silverado 2500 HD LTZ
2017-2019 Chevrolet Silverado 2500 HD WT
2017-2019 Chevrolet Silverado 3500 HD High Country
2017-2019 Chevrolet Silverado 3500 HD LT
2017-2019 Chevrolet Silverado 3500 HD LTZ
2017-2019 Chevrolet Silverado 3500 HD WT
2017-2019 GMC Sierra 2500 HD Base
2017-2019 GMC Sierra 2500 HD Denali
2017-2019 GMC Sierra 2500 HD SLE
2017-2019 GMC Sierra 2500 HD SLT
2017-2019 GMC Sierra 3500 HD Base
2017-2019 GMC Sierra 3500 HD Denali
2017-2019 GMC Sierra 3500 HD SLE
2017-2019 GMC Sierra 3500 HD SLT

  • Ships from San Diego

    We ship from our San Diego dealer network. Most in-stock gear goes out within a few business days — shipping's calculated at checkout by size and destination.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.