GMC Sierra 3500 HD Coolant Tank Kit - Wehrli - OEM Placement - Flat Black - 07.5–10. A direct-fit fabricated aluminum replacement for the factory plastic reservoir.

Engineered for 2007.5–2010 Silverado/Sierra 2500/3500 HD with the 6.6L Duramax LMM, this USA-made Wehrli Custom Fab tank mounts in the stock location and uses OEM points for a clean install with basic hand tools. The flat-black powder coat and black anodized CNC-billet cap add durability, while the sight glass makes level checks quick. Kit includes mounting hardware, overflow hose, and low-coolant sensor. Replaces GM 15120611.

Features

• OEM placement; fits 2007.5–2010 Duramax LMM (Silverado/Sierra 2500/3500 HD)
• Fabricated aluminum construction
• Durable flat-black powder coat
• Billet aluminum sight glass
• Black anodized CNC-machined billet cap
• Includes hardware, overflow hose, and low-coolant sensor
• Made in the USA

Have questions or want this part installed or customized? Call our Austin, Texas shop at 512-982-9393 or our Los Angeles, California area shop at 562-981-6800. We offer installation and customization services at both locations.

If you’re considering multiple items, contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov