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66RFE Transmission

The 66RFE transmission is a 6-speed automatic transmission that was first produced in 2012 for the gas engine Ram 2500 and 3500 trucks. The 66RFE transmission is considered to be a hybrid of the 68RFE and 545RE. The 66RFE transmission uses a 545RFE case but contains many of the same internals and gearset as the 68RFE. Raybestos Powertrain offers premium 545RFE friction materials and parts like the GPZ friction clutch plate to handle more power and provide greater durability beyond OE friction material capacity.

Transmission Specs
6-Speed
2012-ON
Gear Ratios: 1st - 3.23, 2nd - 1.83, 3rd - 1.41, 4th - 1, 5th - .82, 6th - .63, Reverse 4.44
66RFE GPZ Friction Clutch Pack (14-On)
2014-ON
GPZ Friction Clutch Pack Module
RGPZ-272
View
66RFE GPZ Friction Clutch Pack (12-13)
2012-2013
GPZ Friction Clutch Pack Module
RGPZ-273
View
66RFE Friction Clutch Pack
2012-2013
Friction Clutch Pack Module
RCP96-376
View
66RFE Steel Clutch Pack
2012-2013
Steel Clutch Pack Module
STMCHRY11
View
66RFE STEEL CLUTCH PACK
2014-ON
Steel Clutch Pack Module
STMCHRY12
View
No items found.
66RFE Overdrive GPZ Friction Clutch Plate
2014-ON
Overdrive
GPZ737
View
66RFE Underdrive/Reverse GPZ Friction Clutch Plate
2007-2017 65RFE, 2014-ON 66RFE
Underdrive/Reverse
GPZ738
View
2012-2013
Overdrive
GPZ140
View
65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
2007-ON
Low, Reverse Single Sided, OD Spline High Energy
R559240
View
65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
2007-ON
Low, Reverse Single Sided, ID Spline High Energy
R559235
View
45RFE, 545RFE, 65RFE, 66RFE OE Replacement Friction Clutch Plate
1999-ON
Underdrive Tan
R559205
View
45RFE, 545RFE, 65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
1999-ON
Reverse High Energy
R559210
View
45RFE, 545RFE, 65RFE, 66RFE High Energy Friction Clutch Plate
1999-ON
Overdrive High Energy
R559215
View
66RFE Overdrive Steel Clutch Plate
2014-ON
Overdrive
5111269
View
65RFE, 66RFE Underdrive/Reverse Steel Clutch Plate
2007-ON
Underdrive/Reverse
5111270
View
45RFE, 545RFE Steel Clutch Plate
1999-ON
Reverse
511492
View
45RFE, 545RFE Steel Clutch Plate
1999-ON
Overdrive
511495
View
No items found.
No items found.
No items found.
Please use the website menu to visit our PDF catalogs for additional information on individual friction clutch plates, steel clutch plates, and torque converter components for this transmission.