2020-2026 L5P Duramax 4" Cold Air Intake Kit with Air Box
Description
This part is not in stock at Powertech Diesel. WCFab builds and powder coats it in your color after you order. Colors WCFab has in stock usually ship in 3-5 business days; all other colors take 10-15 business days. Call 208-542-7793 for timing. You must select the "I understand this part is not in stock and is built to order" acknowledgment before adding it to your cart.
Cooler air, more of it
Wehrli's intake replaces the restrictive plastic factory intake tube and air box on the 2020-2026 L5P with fabricated aluminum parts and a dry filter.
It draws cooler air in through the ram-air duct in the hood and the inner fender, and the large 4 in. tube with smooth bends raises intake air speed and volume. Wehrli says the result is more horsepower and torque, quicker throttle response, cooler intake temperatures and a stronger turbo sound.
It replaces GM part numbers 84841229, 84841225, 84262962, 85614333 and 84554702.
Who it's for
2020-2026 L5P owners who want a bolt-on intake upgrade that works on a stock truck.
Key specs (per Wehrli)
| Engine / years | 6.6L L5P Duramax, 2020-2026 |
|---|---|
| Intake tube | 4 in. aluminum |
| Air box | 10 ga aluminum sheet with lid |
| Filter | Dry, with pre-filter cover |
| Tuning | Not required; bolt-on for stock trucks |
| Made in | USA |
| Shipping weight / box | 19 lb · 20 × 18 × 20 in |
What's included
- Aluminum intake tube, 4 in.
- Air box with lid
- Dry air filter and pre-filter cover
- Seal for the hood ram-air port
- Silicone boot, stainless T-bolt clamps and hardware; powder-coated finish
Fitment notes
- Fits 2020-2026 Chevrolet Silverado / GMC Sierra 2500 HD and 3500 HD with the 6.6L L5P Duramax.
- Turn off the air filter life monitor in the truck settings; otherwise a service air filter message comes on that a GM service shop has to reset. With the setting right, the filter life shows as disabled.
- California: Wehrli does not ship this part to California.
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
Availability
Not in stock at Powertech Diesel. Built to order and powder coated by WCFab after purchase. Colors WCFab has in stock usually ship in 3-5 business days; all other colors take 10-15 business days. Call us at 208-542-7793 for timing on your color.
Video
Details
- WCF100702
- WCF100702
- Wehrli Custom Fabrication
- In-stock powder coat colors ship in 3-5 business days. 10-15 business day lead time on all other colors.
- New
Shipping Information
- Item Requires Shipping
- 19.0 lbs.
- W24.0000” x H18.0000” x L24.0000”
- Free Ground Shipping on orders over $150.00 (excludes HI and AK)
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