GMC Sierra 3500 HD Upper Coolant Pipe - Wehrli - Sparkle Copper - 06–10. A direct-replacement aluminum upper pipe for 2006–2010 Duramax LBZ/LMM engines, finished in a durable Sparkle Copper powder coat.

Built to replace the stock rubber hose, this aluminum pipe increases durability under heat and pressure while retaining factory routing and connections. The kit includes high-temp silicone boots and stainless steel T-bolt clamps for a solid, serviceable install. Fits 2006–2010 Chevrolet Silverado and GMC Sierra 2500/3500 HD with the 6.6L Duramax LBZ/LMM. Replaces GM 19330105, 15792824, and 25833204. Note: this pipe does not include a WCFab badge.

Features

• Aluminum upper coolant pipe
• Sparkle Copper powder coat
• High-temp silicone boots
• Stainless steel T-bolt clamps
• Made in the USA
• Fits 06–10 LBZ/LMM Silverado/Sierra 2500/3500 HD
• Replaces GM 19330105, 15792824, 25833204

Have questions or planning a build? Call our team—we’re here to help, and we offer installation and customization at our Austin, Texas and Los Angeles, California area locations: 512-982-9393 (TX), 562-981-6800 (CA).

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

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