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Heating and Cooling› Overflow Tanks and Catch Cans

Wehrli

2001-2006 LB7/LLY/LBZ Duramax OEM Placement Coolant Tank Kit Deore Gold

$514.00 $498.58 Save $15.42

SKU: W005 WCF100645-DG

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In Stock
Ships by Jun 15
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Fabricated aluminum coolant tank kit designed to replace the factory plastic coolant reservoir in 2001-2007 LB7, LLY, and LBZ Duramax engines. Features a custom powder-coated finish and a coolant level sight glass. Includes black anodized CNC machined billet aluminum cap, mounting hardware, overflow hose, and a low coolant level sensor. Utilizes OEM mounting points for easy installation with basic hand tools; no other modifications required on stock trucks.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandWehrli
Part NumberW005 WCF100645-DG

Videos

Duramax Fabricated Aluminum Coolant Tanks

Duramax Fabricated Aluminum Coolant Tanks

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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