Parts & Accessories Spare parts The 40,000 BTU radiator is larger than the original transmission radiator (used) for a year. Benefits: 1- Significantly lowers transmission temperature even at noon, during hard acceleration, or off-roading. 2- Noticeable comfort in transmission shifts. 3- Extends transmission life. 4- Improves shifting speed. ....... Fits all 8 and 6 cylinder cars. It is preferable to install a 30,000 BTU size for 6 and 4 cylinder cars. - - Highest offer