CSF 20025 Automatic Transmission Oil Cooler

Automatic Transmission Oil Cooler for GM Trucks and SUVs

CSF 20025 is a parallel-flow automatic transmission oil cooler built for factory-installed applications on a wide range of Cadillac, Chevrolet, and GMC vehicles. With quick-fitting inlet and outlet tubes, it is a direct-fit cooling component for select GM truck and SUV platforms that need stable transmission fluid temperatures.

Key Features

• Parallel-flow construction for efficient fluid cooling
• Core dimensions: 1 in. thick, 6 6/7 in. wide, 9 3/4 in. long
• Quick-fitting inlet and outlet tubes for factory-style connections
• Compact cooler size for GM truck and SUV applications
• CSF part number 20025 for easy identification

Product Details

This automatic transmission oil cooler is built for vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade, along with other GM full-size trucks and SUVs listed in the fitment data. The parallel-flow design supports consistent heat transfer through the cooler core, while the quick-fitting tube connections match factory-style plumbing on supported applications. CSF 20025 is also cross-referenced to Carlson 19031 for the same application.

Use CSF 20025 when replacing a worn or leaking transmission cooler on GM platforms that require an OE-style fit. The part number 20025 is a practical reference for shoppers searching for a transmission oil cooler for 1999-2014 Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Tahoe, Yukon, and related models.

Common Issues This Part Can Address

• Transmission fluid overheating during towing or heavy use
• Leaking or damaged factory transmission cooler
• Restricted fluid flow caused by a failing cooler core
• Temperature control concerns on GM truck and SUV drivetrains
• Replacement needs after corrosion or impact damage

Installation Notes and Tips

Verify the vehicle’s transmission cooler configuration before ordering, since fitment includes factory-installed and external applications as noted in the catalog data. Confirm the inlet and outlet connection style matches the existing cooler lines, and compare the core dimensions to the original unit before installation. This part fits a broad range of GM applications, including Chevrolet Silverado and GMC Sierra models, so matching the exact year, model, and transmission setup is important.

Quality Assurance

CSF is an established cooling-system brand, and this cooler is cataloged with OE-style fitment references for supported GM applications. The part is non-hazardous material and is identified by CSF part number 20025 for accurate ordering and service replacement.