Air and Fuel› Air Cleaners, Filters, Intakes and Components
Wehrli Custom Fabrication
4" Intake Kit with Air Box for LB7 6.6L Duramax
SKU: WCF100190
Easy — 1–2 hours
Description
This kit features a large diameter 4" intake pipe with smooth bends to enhance intake air velocity and volume. It includes a dry air filter with an Outerwear's pre-filter cover and a removable air box lid for easy inspection and maintenance. The assembly is finished in custom powder coat colors and includes all necessary hardware, silicone boots, seals, and stainless steel t-bolt clamps for durability and ease of installation. It is a bolt-on, no-tuning-required part made in the USA.
Fitment
Fitment Guaranteed
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on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100190 |
| Category | Air and Fuel |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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