Peterbilt 379 Radiator | 07-06657A011 | FleetRun FR-COOL791


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Part Number

  • FleetRun: FR-COOL791

Cross Reference Part Number

  • Peterbilt: 07-06657A011 / 0706657A007 / 0706657A012 / 0706657A013 / 0706657A014 / 0706657A030 / 0706657A031 / 0706657A032 / 0706657A033 / 0706657A040
  • Northern Radiator: 239208 / 239310 / 239297 (without coolant reservoir)


  • Dimensions : 36 1/4 in. x 33 1/4 in. x 2 1/4 in.
  • Inlet: 2.5 in.
  • Outlet: 3.0 in.
  • Material : Aluminum & Steel
  • Row : 3
  • Core Type : Downflow
  • Radiator Frame & Coolant Reservoir Included
  • Fits Peterbilt 379 semi trucks
  • Be sure to check for fan clearance
  • 1998 or older may need to reuse original side channels
  • Lower connection can be reversed if needed

Please note: this is an aftermarket part, the use of other manufacturer's names, part numbers or trademarks is for informational purposes only.

Please verify OEM part numbers before purchasing, FleetRun assumes no liability related to product use and fitment.

Peterbilt 379 Radiator

Searching for a top-quality radiator for your Peterbilt 379? Look no further! Introducing the Peterbilt 379 Radiator, designed to deliver exceptional cooling efficiency for your heavy-duty semi truck. Whether you need an OEM replacement or an aftermarket upgrade, our radiator is the perfect solution to keep your engine running at optimal temperatures.

Why Choose Our Peterbilt 379 Radiator?

  1. Uncompromising Quality: Our radiator, part number FR-COOL791, is built with superior craftsmanship and durable materials. Constructed with a combination of aluminum and steel, it ensures efficient heat transfer and long-lasting performance.
  2. Perfect Fit: Designed specifically for the Peterbilt 379 model, our radiator guarantees a precise fit. With dimensions of 36 1/4 in. x 33 1/4 in. x 2 1/4 in. and an inlet size of 2.5 in. and an outlet size of 3.0 in., installation is hassle-free.
  3. Enhanced Cooling Efficiency: Featuring a 3-row core type and a downflow design, our radiator maximizes cooling performance for your engine and coolant. Say goodbye to overheating issues and keep your commercial vehicle running smoothly.
  4. Comprehensive Package: Our radiator comes complete with a radiator frame and coolant reservoir, ensuring a hassle-free installation process. You have everything you need to upgrade your cooling system in one package.

Upgrade Your Cooling System Today!

Don't compromise on the performance and longevity of your Peterbilt 379. Upgrade to the Peterbilt 379 Radiator and experience the difference in cooling efficiency and reliability. Whether you're seeking an OEM replacement or looking for an aftermarket option, FleetRun provides you with top-quality radiators you can trust.

For troubleshooting tips, expert advice, and more, visit our Shop Talk page. We're dedicated to providing you with the information and support you need to maintain optimal cooling performance.

Enhance your cooling system with the Peterbilt 379 Radiator - Order now and enjoy free shipping!

Note: Be sure to check for fan clearance. 1998 or older models may require reusing the original side channels. The lower connection can be reversed if needed.

  • 1995-2004 Peterbilt 379
  • For other information such as tips and tricks or troubleshooting from technicians and shops visit our Shop Talk page from our menu