Wehrli Custom Fabrication 2007.5–2010 LMM Duramax Coolant Bypass/Relocation Fitting (WCF100798)

Wehrli Custom Fabrication 2007.5–2010 LMM Duramax Coolant Bypass/Relocation Fitting (WCF100798)No More Clearance Issues WCFab Coolant Bypass Fitting for LMM Duramax Fix fitment headaches on your 2007. 52010 LMM with this simple, no tune needed solution. The WCF100798 Coolant Bypass Relocation Fitting from Wehrli Custom Fabrication solves one of the most common problems when upgrading to aftermarket up pipes or manifold kits on your LMM Duramax. This CNC machined fitting reroutes the factory coolant line for clean, hassle free clearance. Key

🚫 No More Clearance Issues – WCFab Coolant Bypass Fitting for LMM Duramax 🔧

Fix fitment headaches on your 2007.5–2010 LMM with this simple, no-tune-needed solution.

The WCF100798 Coolant Bypass/Relocation Fitting from Wehrli Custom Fabrication solves one of the most common problems when upgrading to aftermarket up-pipes or manifold kits on your LMM Duramax. This CNC-machined fitting reroutes the factory coolant line for clean, hassle-free clearance.

✅ Key Features:

🚚 Designed for 2007.5–2010 LMM Duramax
Direct-fit solution for LMM trucks running aftermarket exhaust manifolds or up-pipe kits.

🧯 Bypass OEM Interference
OEM rear coolant line interferes with upgraded piping — this fitting fixes that instantly.

🧰 No Tuning Required
Just bolt it on and go. No tune, no codes, no worries.

🔩 Driver-Side Rear Adapter Plate Fitment
Mounts directly where the OEM coolant fitting was located on the driver-side rear of the engine.

🛠️ Clean, Professional Fitment
A must-have upgrade for any performance Duramax build.

📦 Product Details:

• Part #: WCF100798

• Brand: Wehrli Custom Fabrication

• Finish: Raw or anodized (depends on current stock)

• Install Time: Under 30 minutes with basic tools

🔥 In Stock Now | Built for Real-World Duramax Performance | Backed by Trusted WCFab Engineering