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2-Step Transmission Tune-Up Kit 6537

6537 Transmission Tune-Up Kit jpg

  • Cleans and conditions entire transmission system
  • Restores smooth shifting
  • Conditions seals and O-rings; reduces friction and wear
  • Frees sticky valves
  • Use with TSD440 or TSD450 fluid exchange machines
  • For Professional Use Only

Penray 6533 Professional Automatic Transmission Flush: Safely removes dirt and varnish build-up. Restores performance. Reduces friction and wear. Conditions seals and O-rings. Frees sticky valves. Use with 6536 Universal ATF Protectant for a complete service.

Penray 6536 Universal ATF Protectant: Eliminates need for multiple OEM fluids. Advanced synthetic technology protects all ATF types (except Ford Type F and CVT applications). Enhances Dexron/Mercon ATF to perform like a HFM ATF such as: Chrysler ATF +3(7176), ATF +4(9602), Honda, Toyota Type T IV and other HFM fluids. Enhances Dexron®/Mercon® ATF into a highly stable fluid like Mercon V® ATF. Use with Penray 6533 Professional Automatic Transmission Flush for a complete service.



*English/French packaging may be substituted for English/Spanish packaging depending on availability.

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Part # Quantity Container
6537 10 / Case Carton




6536 Universal ATF Protectant –  WARNING: This product can expose you to chemicals including Ethyl Acrylate, which is known to the State of California to cause cancer. For more information go to