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It's plain and simple. EXTREME HEAT KILLS TRANSMISSIONS AND CONVERTERS.  Thanks to our Grassroots transmission cooler this will no longer be a concern. Ditch that old "looped" cooler and install a 10-row, Grassroots Performance transmission cooler. It's easy and highly effective.

Grassroots Performance oil coolers offer more oil capacity, and more oil cooling, over any classic looped design. Our transmission coolers are 2" thick and have a dual-stacked core to provide the biggest punch in the smallest package. Over 150 PSI workload - this unit is all you need to hit the track or keep things cool in traffic. If our 10-Row Transmission Cooler is not enough cooling for you, you can easily upgrade to our 19-Row Oil Cooler with the same Grassroots Lifetime Warranty. If mounting is a concern, easily add our Grassroots Universal Cooling Bracket and bolt it up in no time.

oil cooler lifetime warranty
  • Size: 13" x 3.9" x 2.00"
  • High-Quality T-6061 Aluminum
  • Working load tested up to 150 psi
  • .24L increased oil capacity
  • -10AN In/Out
  • Suitable for Engines, Transmissions, Differentials, Power Steering, and anything else that needs oil cooling

Grassroots Performance Limited Lifetime Warranty. This warranty is strictly applying to the sole part produced under the Grassroots Performance line of cooling parts. Ultimately covering oil cooling components and radiator components only which are sold under the “Grassroots Performance” line. The warranty is only valid for the “Original” purchaser of the Grassroots Performance product. The warranty is non-transferable. 

To validate your cooling product and be eligible for a full warranty, the consumer must fill out the provided form. This form will be emailed to the owner after purchase. The product is then validated and will take on the limited lifetime warranty. The warranty form and product installation must be completed within 90 days of receiving the product to be eligible. 

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