ALLISON 85703145 Duramax Transmission Cooler General
fits model: 3500, 2500hd. make: Allison, Gmc, Chevrolet. year: 1926–2020.
( Brand: Allison ), ( Manufacturer Part Number: 85703145 ), ( Type: Automatic Transmission )
Review ALLISON General Motors Duramax Transmission Cooler Gmc Chevrolet fits 3500 2500HD 1926–2020
High-Performance Duramax Allison Transmission Cooler for GMC Chevrolet 2500HD/3500 (Model 85703145)
Experience unparalleled cooling efficiency and extended service life for your Duramax Allison transmission with the 85703145 20-26 Duramax Allison Transmission Cooler, specifically designed for GMC Chevrolet 2500HD and 3500 models. This premium cooler is an essential upgrade for heavy-duty applications, ensuring optimal performance under extreme conditions.
Crafted with precision engineering, this transmission cooler boasts a robust design to withstand the intense heat and pressure generated by your vehicle's transmission system. The high-density core, combined with optimized fin design, offers exceptional heat dissipation capabilities, keeping your transmission at ideal operating temperatures. This results in smoother shifts, reduced wear and tear, and ultimately, a longer lifespan for your Allison transmission.
The 85703145 cooler is engineered to meet the unique demands of your Duramax engine, ensuring seamless integration and maximum cooling efficiency. It features a durable, corrosion-resistant construction, ensuring reliable performance even in harsh environments. The cooler's pressure-tested design ensures optimal flow and pressure, while the O-ring sealed connections prevent leaks and maintain system integrity.
This cooler is easy to install, with clear instructions provided to guide you through the process. It comes equipped with all necessary hardware, including a high-quality radiator hose, ensuring a hassle-free installation experience. Moreover, the cooler is compatible with factory wiring, eliminating the need for additional modifications.
Upgrade your GMC Chevrolet 2500HD/3500's cooling system today with the 85703145 20-26 Duramax Allison Transmission Cooler. Experience enhanced performance, extended service life, and peace of mind on the road with this top-tier cooling solution.
Pros and Cons of Buying General 85703145 20-26 Duramax Allison Transmission Cooler for GMC Chevrolet 2500HD 3500
Pros:1. Compatibility: This cooler is specifically designed for GMC Chevrolet 2500HD and 3500 trucks equipped with the Duramax 6.6L engine and Allison transmission. This ensures a perfect fit and minimizes the risk of installation issues.
2. Enhanced Cooling Performance: The cooler is designed to effectively dissipate heat generated by the transmission, reducing the risk of overheating and extending the lifespan of the transmission system.
3. Durability: Made from high-quality materials, this cooler is built to withstand the rigors of heavy-duty use, ensuring long-lasting performance.
4. Improved Fuel Efficiency: By maintaining optimal transmission temperatures, this cooler can potentially help improve fuel efficiency, as a cooler transmission doesn't have to work as hard.
Cons:1. Cost: High-performance parts like this cooler can be expensive, which may not be suitable for those on a tight budget.
2. Installation: Although the cooler is designed for easy installation, it may still require some mechanical knowledge or professional assistance.
3. Potential Fitment Issues: While the cooler is designed to fit specific models, there may still be rare instances where it doesn't fit perfectly, requiring modifications.
4. OEM vs Aftermarket: Some customers may prefer OEM (Original Equipment Manufacturer) parts over aftermarket parts, and this cooler is an aftermarket product.
Conclusion:The General 85703145 20-26 Duramax Allison Transmission Cooler is a high-quality aftermarket part that can enhance the cooling performance of your GMC Chevrolet 2500HD or 3500 truck. However, its cost and potential fitment issues are factors to consider. If you're comfortable with these aspects, this cooler can provide improved durability, fuel efficiency, and peace of mind. If not, you may want to consider other options or consult with a professional.
Recommendation:If you're looking to upgrade your transmission cooling system and are comfortable with the potential costs and fitment issues, the General 85703145 20-26 Duramax Allison Transmission Cooler is a solid choice. However, it's always a good idea to research other options as well, or consult with a professional to make an informed decision.
Details:
Good Clean 2020 2026 Duramax Allison 10L1000 10 Speed Transmission Fluid cooler. It has been leak tested as well hot flushed to ensure you can bolt on and go. Fits all 2500HD and 3500HD model's with the 6.6L Diesel.
part #: 85703145 prices
- $164.82-$225.46
specifications autotransmissionsgo:
- for models: 3500, 2500hd
- for makes: Allison, Gmc, Chevrolet
- for years: 1926-2020
- brand: Allison
- mpn: 85703145
- type: Automatic Transmission
payments autotransmissionsgo:
- credit card: Diners-club
- other
- wallet: Google-pay
shipping autotransmissionsgo:
- service: UPS Ground Saver
- cost: $0.00
- class: Economy
- transit: 4-11 Days
- type: Calculated
- carrier: UPS
general autotransmissionsgo:
- condition: Used
- Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
seller autotransmissionsgo:
- # reviews: 24
- city: Carrollton, Illinois
- rating: 100.0%
returns autotransmissionsgo:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
offer autotransmissionsgo:
- best offers: True
- options: Ship-to-home
- sold: 0
- started: November 17, 2025
- availability: In Stock
- quantity: 1
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