Our 45RFE Transmission HD Street is built to handle your toughest towing jobs or moderate performance modifications. This veteran crafted Grand Cherokee, Liberty, Ram, Dakota, and Durango unit features an upgraded heavy duty torque converter, updated valve body, a high pressure tuneless pump and more. The 5-45RFE transmission pairs with 3.7L, 4.7L, and even 5.7L Hemi engines to put in work.
1999-2000
The 45RFE transmission was originally a 4-speed automatic transmission designed to work with 3.7L, 4.7L Chrysler vehicles. 45RFE Transmissions are featured in the 1999-2000 Jeep Grand Cherokee, Jeep Liberty, Dodge Ram, Dakota, and Durango. Stock 45RFE transmission Gears Ratios are as follows: Gear Ratios: 1st - 3, 2nd- 1.67, 2nd prime - 1.5, 3rd - 1, 4th - .75, Reverse - 3
