Air and Fuel› Superchargers, Turbochargers and Components
Wehrli
Wehrli Valve Cover Billet WCFab X D J Precision 06-18 Cummins Sparkle Copper Sparkle Copper 100366-SC
SKU: W005 100366-SC
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
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 |
| Part Number | W005 100366-SC |
Videos
Wehrli Fab 3.5 Inch Intake Horn install! 2017-2019 2500/3500 Duramax L5P!
Wehrli Fab 4 Inch Intake Full Install! 2017-2019 Duramax L5P!
2019 L5P Wehrli Intake Horn Install (Turn on subtitles!)
WcFab intake horn PCV reroute installed on 2019 Chevy silverado 2500HD.
LML Duramax Bolt-On Performance Upgrades
2011-2016 LML Duramax 4" Intake with Air Box Stage 2
WCFab 2006 - 2010 LBZ / LMM Duramax High Flow Intake Horn
2011-2016 LML Duramax High Flow Turbo Intake Horn
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.
View Full Return Policy