GMC Sierra 3500 HD Coolant Tank Kit by Wehrli, Fabricated Aluminum with Black Anodized Cap, Deore Gold, 07.5–10. Replace the stock plastic reservoir with a durable, powder‑coated tank featuring a clear sight glass.

Fits the OEM location on 2007.5–2010 Chevrolet Silverado and GMC Sierra 2500/3500 HD with the 6.6L Duramax LMM. Uses factory mounting points and installs with basic hand tools. Includes a CNC‑machined billet cap, mounting hardware, overflow hose, and low‑coolant sensor. Made in the USA; replaces GM PN 15120611.

Features

• Fabricated aluminum tank, Deore Gold finish
• Black anodized billet cap
• Easy‑read level sight glass
• OEM placement; factory mounts
• Includes hose, hardware, low‑level sensor
• Direct fit: 2007.5–2010 Duramax LMM

Questions or ready to schedule install? Call Austin, TX at 512-982-9393 or the Los Angeles, CA area at 562-981-6800. We offer installation and customization at both locations.

Purchasing multiple items? Contact us for shipping discounts. We install on premises at both locations.

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