Speed Stop Duramax 5/8 Transmission Cooler Line Kit

  • Sale
  • Regular price $289.99

This upgraded transmission cooler line kit will fix your leaking lines and provide an upgrade for your GM truck. Heavy duty and high flow lines along with AN fittings. This kit comes complete with all parts needed for install on 2001-2010 GM Trucks. Please select the proper kit for your truck to ensure fitment.

This kit will work for the factory transmission cooler or aftermarket coolers like mishimoto or similar. Instructions included for easier install. 

Parts List

Transmission Line Kit 

All fittings for install 

2 Washers

Install Instructions

2 Extra O rings