GMC Sierra 2500 HD Coolant Tank Kit by Wehrli, Fine Texture Black, for 2007.5-2010 Duramax LMM. This OEM-location upgrade replaces the brittle factory plastic reservoir with a robust fabricated aluminum tank and a tidy engine-bay presence.

Designed to mount in the stock position using OEM points, this kit improves serviceability and durability while keeping coolant checks simple via an integrated sight glass. It includes a black anodized CNC-machined billet cap, mounting hardware, overflow hose, and a low coolant level sensor. Installation is straightforward with basic hand tools on otherwise stock trucks. Made in the USA and designed to replace GM part number 15120611.

Features

• Fabricated aluminum, fine texture black powder coat
• Direct OEM placement; no extra mods
• Clear sight glass for quick checks
• Black anodized CNC billet cap
• Hardware, overflow hose, low-level sensor included

Have questions or planning a build? Call our Texas shop at 512-982-9393 or our California shop at 562-981-6800. We serve the Austin, Texas and Los Angeles, California area with in-house installation and customization services, and we install on premises at both locations. Considering multiple items? Contact us for shipping discounts.

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