Chevrolet Silverado 2500 Thermostat Housing Kit - Wehrli - Billet Thermostat Housing - Bengal Grey - 01–05. A top-outlet upgrade that replaces the OE upper hose and return pipe on 2001–2005 LB7/LLY Duramax trucks.

Upward, forward routing from the thermostat clears the driver-side valve cover for easier fuel service and room for larger valley turbos. CNC‑machined billet housing in Bengal Grey with included coolant pipe, silicone boots, and T‑bolt clamps. Compatible with single or dual CP3 and factory VGT; required for race cover or SXE turbos in the valley. Replaces GM 15792832 and 15198345.

Features

• 2001–2005 Silverado 2500 LB7/LLY fitment
• Top‑outlet, forward coolant path
• Billet aluminum upper housing
• Boots, clamps, and pipe included

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

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

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