Dorman 918-476 Automatic Transmission Oil Cooler
Automatic Transmission Oil Cooler Overview
Dorman 918-476 is an automatic transmission oil cooler built to match the function of the original cooler on specified vehicles. It is a standard replacement for 2020-2025 Chevrolet Silverado 2500 HD, 2020-2025 Chevrolet Silverado 3500 HD, 2020-2025 GMC Sierra 2500 HD, and 2020-2025 GMC Sierra 3500 HD applications.
Constructed from aluminum with a painted black housing, this cooler is designed for direct replacement use where the factory unit has failed from heat, corrosion, or physical damage. The threaded inlet and outlet attachment types support OE-style serviceability on heavy-duty truck cooling systems.
Key Features
- Direct replacement automatic transmission oil cooler for specified Chevrolet and GMC HD trucks
- Aluminum core material and aluminum construction for thermal transfer performance
- Painted black housing finish
- Threaded inlet and outlet attachment types
- Standard replacement grade
- Core row quantity: 10
- Cooling row quantity: 10
- Dimensions: 40.5 in height, 4.5 in width, 3 in length, 1.035 in depth
Detailed Description
Dorman 918-476 is engineered as an OE-style automatic transmission oil cooler for 2020-2025 Chevrolet Silverado 2500 HD, 2020-2025 Chevrolet Silverado 3500 HD, 2020-2025 GMC Sierra 2500 HD, and 2020-2025 GMC Sierra 3500 HD models. It is built to restore cooling function when the original cooler has been compromised by heat exposure, corrosion, or damage. The aluminum core and 10-row design support heat dissipation in demanding truck applications, while the threaded connections help maintain a secure service fit. This part cross-references BBB Industries 19159 for the same application.
Common Problems It Can Address
- Transmission fluid temperature rising after cooler failure
- Visible corrosion or damage to the original cooler
- Reduced cooling performance in heavy-duty towing or hauling use
- Leaks at the cooler body or threaded connections
- Need for a standard replacement on Silverado HD and Sierra HD trucks
Installation Notes and Tips
Verify vehicle fitment by year, make, and model before installation. Inspect the surrounding cooling lines, threaded connections, and mounting area for wear or contamination before transferring the replacement cooler into service. Confirm that the cooler orientation and connection points match the original unit on the vehicle.
Quality Assurance
Dorman designs this part as a standard replacement component for specified applications, with materials and construction selected to match the function of the original cooler on compatible Chevrolet Silverado HD and GMC Sierra HD trucks.
Dorman 918-476 Automatic Transmission Oil Cooler
Automatic Transmission Oil Cooler Overview
Dorman 918-476 is an automatic transmission oil cooler built to match the function of the original cooler on specified vehicles. It is a standard replacement for 2020-2025 Chevrolet Silverado 2500 HD, 2020-2025 Chevrolet Silverado 3500 HD, 2020-2025 GMC Sierra 2500 HD, and 2020-2025 GMC Sierra 3500 HD applications.
Constructed from aluminum with a painted black housing, this cooler is designed for direct replacement use where the factory unit has failed from heat, corrosion, or physical damage. The threaded inlet and outlet attachment types support OE-style serviceability on heavy-duty truck cooling systems.
Key Features
- Direct replacement automatic transmission oil cooler for specified Chevrolet and GMC HD trucks
- Aluminum core material and aluminum construction for thermal transfer performance
- Painted black housing finish
- Threaded inlet and outlet attachment types
- Standard replacement grade
- Core row quantity: 10
- Cooling row quantity: 10
- Dimensions: 40.5 in height, 4.5 in width, 3 in length, 1.035 in depth
Detailed Description
Dorman 918-476 is engineered as an OE-style automatic transmission oil cooler for 2020-2025 Chevrolet Silverado 2500 HD, 2020-2025 Chevrolet Silverado 3500 HD, 2020-2025 GMC Sierra 2500 HD, and 2020-2025 GMC Sierra 3500 HD models. It is built to restore cooling function when the original cooler has been compromised by heat exposure, corrosion, or damage. The aluminum core and 10-row design support heat dissipation in demanding truck applications, while the threaded connections help maintain a secure service fit. This part cross-references BBB Industries 19159 for the same application.
Common Problems It Can Address
- Transmission fluid temperature rising after cooler failure
- Visible corrosion or damage to the original cooler
- Reduced cooling performance in heavy-duty towing or hauling use
- Leaks at the cooler body or threaded connections
- Need for a standard replacement on Silverado HD and Sierra HD trucks
Installation Notes and Tips
Verify vehicle fitment by year, make, and model before installation. Inspect the surrounding cooling lines, threaded connections, and mounting area for wear or contamination before transferring the replacement cooler into service. Confirm that the cooler orientation and connection points match the original unit on the vehicle.
Quality Assurance
Dorman designs this part as a standard replacement component for specified applications, with materials and construction selected to match the function of the original cooler on compatible Chevrolet Silverado HD and GMC Sierra HD trucks.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Automatic Transmission Oil Cooler Overview
Dorman 918-476 is an automatic transmission oil cooler built to match the function of the original cooler on specified vehicles. It is a standard replacement for 2020-2025 Chevrolet Silverado 2500 HD, 2020-2025 Chevrolet Silverado 3500 HD, 2020-2025 GMC Sierra 2500 HD, and 2020-2025 GMC Sierra 3500 HD applications.
Constructed from aluminum with a painted black housing, this cooler is designed for direct replacement use where the factory unit has failed from heat, corrosion, or physical damage. The threaded inlet and outlet attachment types support OE-style serviceability on heavy-duty truck cooling systems.
Key Features
- Direct replacement automatic transmission oil cooler for specified Chevrolet and GMC HD trucks
- Aluminum core material and aluminum construction for thermal transfer performance
- Painted black housing finish
- Threaded inlet and outlet attachment types
- Standard replacement grade
- Core row quantity: 10
- Cooling row quantity: 10
- Dimensions: 40.5 in height, 4.5 in width, 3 in length, 1.035 in depth
Detailed Description
Dorman 918-476 is engineered as an OE-style automatic transmission oil cooler for 2020-2025 Chevrolet Silverado 2500 HD, 2020-2025 Chevrolet Silverado 3500 HD, 2020-2025 GMC Sierra 2500 HD, and 2020-2025 GMC Sierra 3500 HD models. It is built to restore cooling function when the original cooler has been compromised by heat exposure, corrosion, or damage. The aluminum core and 10-row design support heat dissipation in demanding truck applications, while the threaded connections help maintain a secure service fit. This part cross-references BBB Industries 19159 for the same application.
Common Problems It Can Address
- Transmission fluid temperature rising after cooler failure
- Visible corrosion or damage to the original cooler
- Reduced cooling performance in heavy-duty towing or hauling use
- Leaks at the cooler body or threaded connections
- Need for a standard replacement on Silverado HD and Sierra HD trucks
Installation Notes and Tips
Verify vehicle fitment by year, make, and model before installation. Inspect the surrounding cooling lines, threaded connections, and mounting area for wear or contamination before transferring the replacement cooler into service. Confirm that the cooler orientation and connection points match the original unit on the vehicle.
Quality Assurance
Dorman designs this part as a standard replacement component for specified applications, with materials and construction selected to match the function of the original cooler on compatible Chevrolet Silverado HD and GMC Sierra HD trucks.
