OEM-Equivalent Quality Parts certified

OEM-Equivalent Quality Parts

Google Business 4.5-Star Rated certified

Google Business 4.5-Star Rated

Automatic Transmission Oil Coolers

Automatic Transmission Oil Coolers from Radiator Supply House are aftermarket replacement components designed to regulate transmission fluid temperatures in heavy equipment, commercial trucks, and agricultural machinery. Compatible with leading brands including Caterpillar, John Deere, Komatsu, Case, and International, these coolers help prevent overheating and extend transmission life across demanding industrial applications.

John Deere Cooling Components Collection
Radiator Supply House - Machinery Cooling Components Collection
Case Equipment Cooling & Thermal Components Collection
International Truck Cooling & HVAC Parts Collection
Oil Coolers Collection — incl. Engine & Transmission Oil Cooler Lines

Our Range of Products

John Deere Cooling Components Collection

John Deere Cooling Components Collection

  • 565 John Deere-compatible cooling SKUs
  • Covers tractors, dozers & telehandlers
  • Includes transmission & hydraulic coolers
Radiator Supply House - Machinery Cooling Components Collection

Radiator Supply House - Machinery Cooling Components Collection

  • 4,885+ multi-brand cooling components
  • CAT, Komatsu, Volvo & 15+ brands covered
  • Full range: coolers, shrouds & packages
Case Equipment Cooling & Thermal Components Collection

Case Equipment Cooling & Thermal Components Collection

  • 250 Case-compatible thermal components
  • Fits excavators, tractors & wheel loaders
  • Includes full cooling & transmission kits
International Truck Cooling & HVAC Parts Collection

International Truck Cooling & HVAC Parts Collection

  • 457 International truck cooling parts
  • Fits fire trucks, UPS & dump truck fleets
  • Transmission oil coolers & AC condensers
Oil Coolers Collection — incl. Engine & Transmission Oil Cooler Lines

Oil Coolers Collection — incl. Engine & Transmission Oil Cooler Lines

  • 1,466+ oil cooler listings across industries
  • CAT, Deere, Komatsu & many more brands
  • OEM-compatible & custom universal options

Frequently Asked Questions

What does a transmission oil cooler do?

A transmission oil cooler regulates the temperature of automatic transmission fluid by dissipating heat generated during operation. It circulates hot fluid through a heat exchanger — typically mounted near the radiator — where it is cooled before returning to the transmission. This prevents overheating, reduces wear on internal components, and extends the overall service life of the transmission, especially under heavy load or high-cycle conditions.

How much does it cost to replace a transmission oil cooler?

How do I know if my transmission oil cooler is bad?

What equipment brands are compatible with your transmission oil coolers?

Are your transmission oil coolers OEM or aftermarket?

Can I order transmission oil coolers for agricultural and construction equipment?

How do I find the right transmission oil cooler for my machine?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Construction & Mining

Construction & Mining

Transmission oil coolers for excavators, wheel loaders, dozers, and telehandlers from Cat, Komatsu, and Case.

Agriculture & Farming

Agriculture & Farming

Replacement transmission coolers for John Deere and Case tractors, sprayers, and combines operating in field conditions.

Commercial Trucking & Fleet

Commercial Trucking & Fleet

Transmission oil coolers for International heavy-duty trucks, fire trucks, dump trucks, and commercial fleet vehicles.

Industrial & Material Handling

Industrial & Material Handling

Oil cooling solutions for forklifts, skid steers, air compressors, and industrial machinery across manufacturing facilities.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Equipment Operators & Fleet Managers Choose Radiator Supply House

Unmatched Catalog Depth

Over 1,400 transmission oil cooler SKUs compatible with 300+ manufacturers including Caterpillar, John Deere, Komatsu, Case, and International.

Cross-Industry Compatibility

Serving construction, agriculture, commercial trucking, mining, and forestry — one source for all your heavy equipment cooling needs.

Specialized Cooling Expertise

Focused exclusively on cooling system components, delivering OEM-equivalent quality parts and knowledgeable support for complex cooling applications.

Need the Right Transmission Cooler? Let's Find It.

Submit your equipment details and a specialist will confirm compatibility, pricing, and availability — typically within one business day.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 877-615-3002.