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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
Contents:
3 - GPZ220 2C, 3 - GPZ225 4C, 4 - GPZ737 Overdrive, 6 - GPZ738 Underdrive/Reverse, 7 - R559240 Low/Rev Single-Sided OD Spline, 7 - R559235 Low/Rev Single-Sided ID Spline
RGPZ-272
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66RFE GPZ Friction Clutch Pack (12-13)
2012-2013
GPZ Friction Clutch Pack Module
Contents:
3 - GPZ220 2C, 3 - GPZ225 4C, 4 - GPZ140 Overdrive, 6 - GPZ738 Underdrive/Reverse, 7 - R559240 Low/Rev Single-Sided OD Spline, 7 - R559235 Low/Rev Single-Sided ID Spline
RGPZ-273
View
66RFE Friction Clutch Pack
2012-2013
Friction Clutch Pack Module
Contents:
3 2C High Energy, 4 Overdrive High Energy, 7 Low Reverse Single Sided, OD Spline High Energy, 6 Underdrive High Energy, 7 Low Reverse Single Sided, ID Spline High Energy, 2 Reverse High Energy, 4 4C High Energy
RCP96-376
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66RFE Steel Clutch Pack
2012-2013
Steel Clutch Pack Module
Contents:
4 4C, 3 2C, 7 Underdrive/Reverse, 3 Overdrive
STMCHRY11
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66RFE STEEL CLUTCH PACK
2014-ON
Steel Clutch Pack Module
Contents:
4 4C - 511494, 3 2C - 511493, 5 Underdrive/Reverse - 5111270, 3 Overdrive - 5111269
STMCHRY12
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No items found.
66RFE Overdrive GPZ Friction Clutch Plate
2014-ON
Overdrive
.073/1.85
GPZ737
View
66RFE Underdrive/Reverse GPZ Friction Clutch Plate
2007-2017 65RFE, 2014-ON 66RFE
Underdrive/Reverse
.079/2.10
GPZ738
View
45RFE, 545RFE, 68RFE GPZ Friction Clutch Plate
1999-ON
2C GPZ
.091/2.31
GPZ220
View
45RFE, 545RFE, 68RFE GPZ Friction Clutch Plate
1999-ON
4C GPZ
.091/2.31
GPZ225
View
66RFE Overdrive GPZ .090 Friction Clutch Plate
2012-2013
Overdrive
.090/2.29
GPZ140
View
65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
2007-ON
Low, Reverse Single Sided, OD Spline High Energy
.062/1.57
R559240
View
65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
2007-ON
Low, Reverse Single Sided, ID Spline High Energy
.062/1.57
R559235
View
45RFE, 545RFE, 65RFE, 66RFE OE Replacement Friction Clutch Plate
1999-ON
Underdrive Tan
.078/1.98
R559205
View
45RFE, 545RFE, 65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
1999-ON
Reverse High Energy
.078/1.98
R559210
View
45RFE, 545RFE, 65RFE, 66RFE High Energy Friction Clutch Plate
1999-ON
Overdrive High Energy
.090/2.29
R559215
View
45RFE, 545RFE, 65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
1999-ON
2C High Energy
.091/2.31
R559220
View
45RFE, 545RFE, 65RFE, 66RFE, 68RFE High Energy Friction Clutch Plate
1999-ON
4C High Energy
.091/2.31
R559225
View
66RFE Overdrive Steel Clutch Plate
2014-ON
Overdrive
.12
5111269
View
65RFE, 66RFE Underdrive/Reverse Steel Clutch Plate
2007-ON
Underdrive/Reverse
.069
5111270
View
45RFE, 545RFE Steel Clutch Plate
1999-ON
Reverse
.068/1.73
511492
View
65RFE, 66RFE Steel Clutch Plate
2012-ON
2C
.130/3.30
511493
View
45RFE, 545RFE Steel Clutch Plate
1999-ON
4C
.098/2.49
511494
View
45RFE, 545RFE Steel Clutch Plate
1999-ON
Overdrive
.086/2.18
511495
View
No items found.
No items found.
No items found.
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