SKU #: FL-TOC.A1000.2024 MPN #: TOC.A1000.2024

Fluidyne Allison 1000 High Performance Transmission Fluid Cooler for 20-24 GM 6.6L Duramax L5P

Name: Fluidyne Allison 1000 High Performance Transmission Fluid Cooler for 20-24 GM 6.6L Duramax L5P
Brand: Fluidyne
Price: 499.0 USD
Availability: InStock

$499.00

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Fluidyne Allison 1000 transmission cooler for 2020–2024 GM 6.6L Duramax improves cooling, lowers temps, and boosts towing reliability.

Description

If you tow heavy, spend time in hot weather, or use your truck for demanding daily work, keeping transmission temperatures under control becomes a lot more important. This Fluidyne High Performance Transmission Fluid Cooler is designed to give your GM 6.6L Duramax significantly more cooling capacity than the factory setup, helping your transmission stay cooler and more consistent under load. With over 4 times the heat exchanging capacity of the stock cooler, it helps reduce heat buildup during towing, hauling, and long drives. Built specifically for Chevy and GMC 2500HD and 3500HD trucks equipped with the 6.6L Duramax and Allison 1000 transmission, this direct bolt-in replacement installs at the factory mounting locations for a cleaner, easier installation process. The aerospace-grade aluminum bar plate construction, proprietary fin design, and extremely dense fins-per-inch layout maximize cooling performance while maintaining minimal pressure drop. Fully welded internal splitter plates help prevent contamination between hot- and cold-side fluids, improving durability and long-term reliability. Finished in a durable silver powder coat with a proprietary heat-wicking compound, this dual-pass transmission cooler is built to handle demanding conditions while maintaining reliable performance. Featuring -10 AN female O-ring fittings, it’s a strong upgrade for Duramax owners looking for better cooling performance and added transmission protection.

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If you tow heavy, spend time in hot weather, or use your truck for demanding daily work, keeping transmission temperatures under control becomes a lot more important. This Fluidyne High Performance Transmission Fluid Cooler is designed to give your GM 6.6L Duramax significantly more cooling capacity than the factory setup, helping your transmission stay cooler and more consistent under load. With over 4 times the heat exchanging capacity of the stock cooler, it helps reduce heat buildup during towing, hauling, and long drives.

Built specifically for Chevy and GMC 2500HD and 3500HD trucks equipped with the 6.6L Duramax and Allison 1000 transmission, this direct bolt-in replacement installs at the factory mounting locations for a cleaner, easier installation process. The aerospace-grade aluminum bar plate construction, proprietary fin design, and extremely dense fins-per-inch layout maximize cooling performance while maintaining minimal pressure drop. Fully welded internal splitter plates help prevent contamination between hot- and cold-side fluids, improving durability and long-term reliability.

Finished in a durable silver powder coat with a proprietary heat-wicking compound, this dual-pass transmission cooler is built to handle demanding conditions while maintaining reliable performance. Featuring -10 AN female O-ring fittings, it’s a strong upgrade for Duramax owners looking for better cooling performance and added transmission protection.

Vehicle Fitment

2020-2024 GM 6.6L Duramax L5P

WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

FEATURES & BENEFITS:

Provides over 4x the heat exchanging capacity compared to the factory cooler.
Helps maintain lower transmission temperatures while towing and hauling.
Direct bolt-in design uses factory mounting locations for easier installation.
Dense fin design improves cooling efficiency in demanding conditions.
Fully welded internal splitter plates improve durability and reliability.
Aerospace-grade aluminum construction offers strength with reduced weight.
Dual-pass bar plate design maximizes cooling performance with minimal pressure drop.
Silver powder-coated finish adds corrosion resistance and durability.
Backed by a limited lifetime warranty for added peace of mind.

SPECIFICATIONS:

Length: 35.82"
Height: 7.32"
Depth: 1.57"
Make: Chevy, GMC
Model: 2500, 3500
Engine: 6.6L Duramax Diesel
Fluid Cooler Type: Universal
Fluid Cooler Inlet Size: -10 AN O-ring
Fluid Cooler Outlet Size: -10 AN O-ring
Inlet Attachment: Female O-ring
Outlet Attachment: Female O-ring
Number Of Passes: Dual Pass
Cooler Construction: Bar Plate
Cooler Material: Aluminum
Cooler Color: Silver Powdercoated
Fan Included: No
Notes: Direct Bolt In Allison 1000 High Performance Transmission Cooler

About Fluidyne High Performance

Fluidyne High Performance builds premium cooling solutions designed to keep diesel trucks running cooler and more reliably under demanding conditions. Manufactured in the USA, Fluidyne is known for producing high-quality aluminum radiators, transmission coolers, oil coolers, and heat exchangers for Ford Powerstroke, GM Duramax, and Ram Cummins applications. Built with performance and durability in mind, Fluidyne products feature precision TIG-welded construction, efficient core designs, and quality materials made to handle towing, heavy workloads, daily driving, and performance use. Whether your truck is stock or heavily modified, upgrading the cooling system can help maintain consistent temperatures and improve overall reliability when your truck is pushed hard. With decades of experience in high-performance cooling, Fluidyne has become a trusted choice for diesel owners looking for dependable temperature control and long-lasting performance. Diesel Power Products carries a wide range of Fluidyne cooling upgrades designed to help your truck stay protected on the street, on the job, or under load!