Mishimoto Reservoir Tank for Chevy Duramax 6.6L Diesel Black

Mishimoto Reservoir Tank for Chevy Duramax 6.6L Diesel — Black Upgrade the cooling reliability of your 2001–2007 Chevy/GMC 6.6L Duramax with the Mishimoto Black Reservoir Tank. Designed for diesel performance engines, this direct-fit degas tank improves coolant capacity and system longevity while adding a durable, OEM-plus appearance under the hood. Direct replacement for 01–07 Chevy/GMC 6.6L Duramax applications — bolt-in fit, no modification required. Premium construction: high-quality, heat-resistant plastic with a precision finish in Matte Black for lasting corrosion resistance and factory-matching aesthetics. Improved coolant control: engineered to reduce air pockets and assist consistent coolant flow and bleed-off for better thermal management. Easy installation: OE mounting points and hose connections make installation quick and straightforward. Durability: built to withstand diesel operating temperatures and harsh under-hood conditions. This Mishimoto reservoir tank is a smart upgrade for owners who want reliable cooling performance, long-term durability, and a clean black finish that complements the Duramax engine bay. Ideal for daily drivers and high-mileage trucks where cooling system integrity is critical.