GM OEM Engine Wiring Harness (LBZ) Fits: 2006-2007 GM/Duramax. 920-361-7700. Price Match Guarantee! Welcome Guest. My Account Contact Us. Quality Parts & Service at an unbeatable price! GM Duramax. GM Engine Wiring Harness (LBZ) (0) Reviews: Write first review. SKU: 97779379. Fits: 2006-2007 GM/Duramax Pricing: $717. Qty: Add to Cart Add to Wishlist. Item Inquiry Tell a lbz wiring harness | eBay www›Search›lbz wiring harnessSave lbz wiring harness to get e-mail alerts and updates on your eBay Feed. + Items in search results. See search results that fit your vehicle. Select Vehicle. 2006 2007 GMC 6.6 LBZ 6 SPEED ALLISON AUTO TRANSFER CASE WIRING HARNESS OEM See more like this.