Hayden Automotive 678 Rapid-Cool Plate and Fin Transmission Cooler

Premium style transmission cooler kit. Coolers are a compact plate and fin design. Kits contain cooler, hose and mounting hardware.

Product Features

  • Size is 3/4 inch x 11 inch x 9-1/2 inch
  • Pick-up trucks and vans, class “C” motor homes , travel trailers to 24 feet
  • GVWR up to 24,000 pounds, towing up to 5,000 pounds
  • Patented internal turbulation increases heat transfer with minimal pressure drop
  • Pre-drilled mounting brackets for easy installation

3 thoughts on “Hayden Automotive 678 Rapid-Cool Plate and Fin Transmission Cooler”

  1. Top quality Originally ordered a B&M cooler for my 2012 Honda Odyssey, but when that arrived the build quality(made in Mexico) was terrible and it was returned. You can look up that review for more info. I ordered this Hayden and hoped for the best. It arrived today, and WOW!!! awesome quality. Made in Australia!!!! NOT Mexico, China, Taiwan, Indonesia, etc., etc.. Perfectly aligned fins, soldered / brazed perfectly straight, lays perfectly flat. Cooling fins between plated are micro-louvered and look…

  2. Install was a breeze, no problems. Installed like a charm, no issues after towing a 5×8 U-Haul across the SW desert in summer.I installed this on a 2nd gen 4 cyl Toyota Tacoma. I was only towing about 1,800 lbs (half the max T2R-FE 4 cyl towing capacity) and most told me it probably wasn’t absolutely necessary, but I didn’t want to take any chances with my valuables going through the desert in a high-mileage truck.I just used the foam pads and zip ties provided to install, as I had neither the time nor…

  3. Awesome cooler, which mounting was easier w/o zips OK, so I have a 99 Jeep XJ. I dont trust the zips thru the condenser and radiator. I read too many posts on forums saying they ended up with radiator leaks down the road. and some with no more AC. I bought the Hayden bracket kit. I ended up mounting it on the driver side. flipped around so the brackets are closer to the bumper. There are 2 holes that are just behind the bumper than work for mounting, they’re a bit tricky but some stuby wrenches and small socket got it done. I stuck 2 of…

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