Sale

Fasteners› Engine Fastener Kits

Wehrli

Wehrli Engine Mnt HD LB7-LML Duramax Engine Swap Kit - 1973-1987 GM Square Body Chassis Sem-Gl Blk Semi-Gloss Black 100173

$795.00 $771.15 Save $23.85

SKU: W005 100173

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Wehrli Custom Fabrication 100173 L5P Duramax Engine Mount Install Kit provides high-grade fasteners and thread locker for securing specific Wehrli engine mounts. It is intended for use with Wehrli WCF100166 (2017-2025 L5P Duramax), Wehrli WCF100170 (L5P Duramax swap for 2001-2010 GM HD chassis), and Wehrli WCF100173 (LB7/LLY/LBZ/LMM/LML Duramax swap for 1973-1987 GM C/K Square Body chassis). This kit does not include the engine mounts themselves. Not compatible with OEM-style 2001-2010 LB7/LLY/LBZ/LMM or 2011-2016 LML Duramax HD engine mounts.

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

BrandWehrli
Part NumberW005 100173

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