Sale

Heating and Cooling› Overflow Tanks and Catch Cans

Wehrli

Wehrli Coolant Tank OEM Placement for 17-19 Duramax L5P Deore Gold Deore Gold 100433-DG

$534.00 $517.98 Save $16.02

SKU: W005 100433-DG

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 100433-DG is an OEM placement fabricated aluminum coolant tank kit designed for 2017-2019 L5P Duramax and 2019+ L5D Duramax trucks. It addresses issues with factory plastic reservoirs by offering a durable replacement with a serviceable float-type coolant level sensor. The kit includes a black anodized billet aluminum cap, overflow hose, billet aluminum coolant level sight glass, and installation hardware.

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 100433-DG

Videos

Duramax Fabricated Aluminum Coolant Tanks

Duramax Fabricated Aluminum Coolant Tanks
How To Replace Coolant Overflow Surge Tank 2007-2020 Chevy Suburban Tahoe Sierra GM Truck No Spill

How To Replace Coolant Overflow Surge Tank 2007-2020 Chevy Suburban Tahoe Sierra GM Truck No Spill
Quick & Easy GM Coolant Overflow Tank Replacement | LB7 Duramax & GM 01’-07’ Models | DIY Diesel

Quick & Easy GM Coolant Overflow Tank Replacement | LB7 Duramax & GM 01’-07’ Models | DIY Diesel
2017+ LP5 Duramax Chevrolet GMC Silverado Sierra Coolant Reservoir Tank Replacement.

2017+ LP5 Duramax Chevrolet GMC Silverado Sierra Coolant Reservoir Tank Replacement.
2017-2023 L5P Duramax Diesel Coolant Drain & Refill Plus Coolant Reservoir Replacement How-To

2017-2023 L5P Duramax Diesel Coolant Drain & Refill Plus Coolant Reservoir Replacement How-To
2020 L5P Duramax Surge Tank Replacement

2020 L5P Duramax Surge Tank Replacement

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