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45RFE / 5-45RFE

The 45RFE was introduced in the Jeep Grand Cherokee in 1999, it is notable for including three planetary gearsets rather than the two normally used in a 4-speed automatic. It also features three multiple disc input clutches, three multiple disc holding clutches, and a dual internal filter system (one primary filter for transmission sump, one for the fluid cooler return system). In the 45RFE applications four gears are utilized, with a different (1.50:1 rather than 1.67:1) second gear to increase versatility when downshifting. Normally paired with the 4.7 L PowerTech V8 Chrysler decided to refer to it as a "multi-speed automatic".
The 45RFE later became the 5-speed 545RFE.


Products (Total Items: 4)
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5-45RFE Dodge Transmission
Average Rating(1)
$1,445.00
45RFE Stage 1 Transmission
$1,795.00
45RFE Dodge Transmission
$1,445.00
5-45RFE Stage 1 Transmission
Average Rating(1)
$1,795.00
 
 
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