Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler

Description

Maintaining optimal transmission temperatures is crucial for the longevity and performance of your 2001-2003 Chevy or GMC 6.6L Duramax engine. Heat is one of the primary enemies of transmission components, leading to premature wear and potential failure. Mishimoto’s direct-fit transmission cooler offers a reliable solution, designed specifically for your vehicle to ensure efficient cooling during demanding conditions such as towing, fleet operation, or spirited driving. The cooler features a robust stacked-plate construction that provides maximum durability and superior heat dissipation, helping to keep transmission temperatures within safe limits. Its larger core size delivers a 174-percent increase in volume and a 192-percent increase in fin surface area compared to the stock cooler, significantly enhancing cooling capacity and reducing thermal stress on your transmission.
Installation is straightforward thanks to CNC-machined adapters that connect directly to the stock transmission cooler lines, ensuring a leak-free and secure fit. The included direct-fit brackets and tailor-made hoses simplify the setup process, allowing you to upgrade your cooling system without extensive modifications. Crafted with high-quality materials and backed by Mishimoto’s lifetime warranty, this transmission cooler provides peace of mind and reliable performance for the life of your vehicle. Whether you’re towing heavy loads, participating in drag racing, or daily driving, this cooler helps your transmission stay cool under pressure, extending its lifespan and maintaining optimal transmission operation.
Designed specifically for all 2001-2003 Chevrolet and GMC models equipped with Allison transmissions, the Mishimoto LB7 transmission cooler is an essential upgrade for serious drivers seeking enhanced thermal management and durability. Made with attention to fitment and ease of installation, it ensures your vehicle remains reliable and ready for whatever challenges you face on the road or track.

Features:

• CNC-machined adapters for easy connection to stock fluid lines or AN lines

• Stacked-plate construction for maximum durability and superior cooling performance

• Direct-fit design for all 2001-2003 Chevrolet and GMC with Allison transmissions

Fitment:
Chevrolet Silverado 2500 HD Base 2001
Chevrolet Silverado 2500 HD Base 2002
Chevrolet Silverado 2500 HD Base 2003
Chevrolet Silverado 2500 HD LS 2001
Chevrolet Silverado 2500 HD LS 2002
Chevrolet Silverado 2500 HD LS 2003
Chevrolet Silverado 2500 HD LT 2001
Chevrolet Silverado 2500 HD LT 2002
Chevrolet Silverado 2500 HD LT 2003
Chevrolet Silverado 3500 Base 2001
Chevrolet Silverado 3500 Base 2002
Chevrolet Silverado 3500 Base 2003
Chevrolet Silverado 3500 LS 2001
Chevrolet Silverado 3500 LS 2002
Chevrolet Silverado 3500 LS 2003
Chevrolet Silverado 3500 LT 2001
Chevrolet Silverado 3500 LT 2002
Chevrolet Silverado 3500 LT 2003
GMC Sierra 2500 HD Base 2002
GMC Sierra 2500 HD Base 2003
GMC Sierra 2500 HD SL 2001
GMC Sierra 2500 HD SL 2002
GMC Sierra 2500 HD SLE 2001
GMC Sierra 2500 HD SLE 2002
GMC Sierra 2500 HD SLE 2003
GMC Sierra 2500 HD SLT 2001
GMC Sierra 2500 HD SLT 2002
GMC Sierra 2500 HD SLT 2003
GMC Sierra 2500 HD WT 2003
GMC Sierra 3500 Base 2002
GMC Sierra 3500 Base 2003
GMC Sierra 3500 SL 2001
GMC Sierra 3500 SL 2002
GMC Sierra 3500 SLE 2001
GMC Sierra 3500 SLE 2002
GMC Sierra 3500 SLE 2003
GMC Sierra 3500 SLT 2001
GMC Sierra 3500 SLT 2002
GMC Sierra 3500 SLT 2003