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4C Retaining Ring & Shim Kit 72978-01K
Featured
Heavy Duty Inner Retainer Housing Kit 72554-01K
Featured
Line Pressure Booster Kit RFE-LB1
Lube Regulated Pressure Regulator Valve 44912-17K
Oversized Lube Regulated Pressure Regulator Valve Kit 44912-15K
-
Helps cure:
- Low cooler flow at idle
- Restricted converter/lube flow
- Engine stall at idle
- Overheated fluid
- Poor line pressure control
- Harsh shifts
- Soft shifts
- Burnt clutches
- Converter drain back
- Lube failures
-
Tooling:
- F-44912-TL10
- VB-FIX
Oversized Pressure Regulator Valve Kit 44912-10K
Selective springs
-
Helps cure:
- Harsh shifts
- Erratic line pressure
- Broken parts due to excessive line pressure
- High line pressure
- Burnt clutches
- Restricted converter/lube flow
- Soft shifts
-
Tooling:
- F-44912-TL10
- VB-FIX
Oversized TC Limit Valve Kit 44912-03K
-
Helps cure:
- Delayed engagement
- Loss of power
- Engine stall
- Low TCC release pressure
- Loss of fuel economy
- Low cooler flow
- Overheated converter
-
Tooling:
- F-44912-TL
- VB-FIX
Oversized TCC Apply Limit Switch Valve Kit 44912-41K
-
Helps cure:
- Repeated converter failure
- Damaged converter
- Excess converter pressure
- No lockup
- TCC slip
- TCC apply & release concerns
-
Tooling:
- F-44912-TL8
- VB-FIX
Oversized TCC Regulator & Accumulator Valve Kit 44912-12K
-
Helps cure:
- Converter concerns
- Lockup concerns
-
Tooling:
- F-44912-TL12
- VB-FIX
Oversized TCC Switch Valve Kit 44912-08K
-
Helps cure:
- No lockup
- Engine stall
- TCC slip
- Overheating
- TCC codes
- Loss of fuel economy
- TCC apply & release concerns
- TCC lining failure
-
Tooling:
- F-44912-TL8
- VB-FIX
TCC Accumulator Spring 44912-01
Fits ’18-earlier only in 68RFE.
-
Helps cure:
- Harsh TCC apply
- TCC apply & release concerns
TCC Accumulator Valve Kit 44912-18K
TCC Apply Limit Switch Valve Kit 44912-36K
TCC Regulator Valve Kit 44912-11K
Torque Converter Limit Spring 44912-02
Fits OE aluminum valves found in early-style units only
-
Helps cure:
- Broken spring
- Engine stall on engagement
- Delayed engagement
- Loss of power
Accumulator Piston Kit 44894-01MK
Accumulator Piston Kit 44894-01K
Low/Reverse Switch Checkball Sleeve Kit 92835-41K
Oversized Low/Reverse Switch Checkball Sleeve Kit 92835-45K
-
Helps cure:
- Burnt Low/Reverse clutch
- Delayed Reverse
- No Reverse
-
Tooling:
- F-92835-TL45
- VB-FIX
Oversized Solenoid Switch Valve & Plug Kit 92835-31K
Fits bores containing OE switch valve with .453" dia. large spool only.
-
Helps cure:
- Codes 841, 868, 871, 988, 1775, 1776
- OD clutch burned
- Failsafe mode
- Bind-up
- 2nd Gear starts w/MIL on
- 4th Clutch burned
- Engine stall (41 & 42 series)
- TCC apply & release concerns (41 & 42 series)
-
Tooling:
- F-92835-TL31
- VB-FIX
Oversized Solenoid Switch Valve & Plug Kit 92835-32K
Fits bores containing OE switch valve with .420" dia. large spool only.
-
Helps cure:
- Codes 841, 868, 871, 988, 1775, 1776
- OD clutch burned
- Failsafe mode
- Bind-up
- 2nd Gear starts w/MIL on
- 4th Clutch burned
- Engine stall (41 & 42 series)
- TCC apply & release concerns (41 & 42 series)
-
Tooling:
- F-92835-TL32
- VB-FIX
Oversized Solenoid Switch Valve Plug Kit 92835-22K
Fits bores containing OE switch valve with .453" dia. large spool only.
-
Helps cure:
- Codes 841, 868, 871, 988, 1775, 1776
- OD clutch burned
- Failsafe mode
- Bind-up
- Wrong gear starts
- TCC apply & release concerns (41 & 42 series)
- Engine stall (41 & 42 series)
- No lockup (41 & 42 series)
-
Tooling:
- 92835-RM22
Remanufactured Solenoid Block 44836B-RRP
Fits 65RFE, 66RFE and ’09–’18 545RFE, 68RFE. If supplying a core for your solenoid, please order 44836B-RRP. If no core available, please order 44836B-C.
-
Helps cure:
- Shift concerns
Remanufactured Solenoid Block 44836A-RRP
Fits ’18-earlier. If supplying a core for your solenoid, please order 44836A-RRP. If no core available, please order 44836A-C.
-
Helps cure:
- Shift concerns
Replacement Seal Kit 44894-01SK
Solenoid Spacer & Service Kit 44836-02K
Fits all 62TE and 65/66RFE. Also fits ’18-earlier 68RFE and ’04-later 45/545RFE.
-
Helps cure:
- Code 841, 846, 871, 876, 988
Solenoid Switch Valve Plug Kit 92835-39K
Solenoid Switch Valve Plug Kit 92835-02K
The Sure Cure® Kit SC-RFE-453
Fits ’18-earlier units with OE switch valve with .453" dia. large spool only.
-
Helps cure:
- OD clutch burned
- Failsafe mode
- Damaged accumulator plate
- Engine stall
- Low cooler flow
- Overheated converter
- Harsh shifts
- Codes 841, 868, 871, 988, 1775, 1776
The Sure Cure® Kit SC-RFE-420
Fits ’18-earlier units with OE switch valve with .420" dia. large spool only.
-
Helps cure:
- OD clutch burned
- Failsafe mode
- Damaged accumulator plate
- Engine stall
- Low cooler flow
- Overheated converter
- Harsh shifts
- Codes 841, 868, 871, 988, 1775, 1776
RFE Transducer Connector RFE-RC1
-
Helps cure:
- Erratic line pressure
- High line pressure
- Pressure control out-of-range codes
Thermal Bypass Eliminator Kit 72760-01K
Tech Resources
FEATURED
May 05, 2017
Vacuum Test Guide
Chrysler 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Vacuum Test Guide
March 29, 2022
Identification Guide
Sonnax Thermal Bypass Eliminator Kit Identification Guide
May 25, 2017
Valve Body Layout
Chrysler 45RFE, 545RFE, 65RFE, 66RFE, 68RFE Valve Body Layout
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Stop Chrysler RFE OD Inner Retainer Wear Forever with a Sonnax Heavy Duty Upgrade
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Identifying Chrysler RFE Solenoid Changes Through the Years
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Dodge RFE Pressure Switch Diagnosis & Code P0871
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Prevent RFE, RH/RE Converter Failure: Maintain Proper TCC Apply Pressure
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Chrysler RFE Valve Bodies: Understanding Checkball Locations & Function
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Tips & Tricks – Making Light Work of Switch Valve End Plug Testing
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Understanding Cooler Control Valves: What Thermal vs. Pressure Control Means for Your Build
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Diagnosing Chrysler Transmission Max Line Pressure & P0933, P0869, P1745 Codes
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Line-to-Lube/Converter: A Balancing Act — PR Valve Position is Key
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DIY Tool for FAST Sonnax RFE Accumulator Piston Installs
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How to Set Up a Snap-on® Scanner for Dodge Secure Vehicle Gateway™ Protocol
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How to Easily Check Endplays in Chrysler RFE Transmissions
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On-Target Accumulator Piston Repair: The Advantages of 68RFE Billet Pistons
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RFE Transmission Universal Valve Bodies: One SKU Does it All!
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How to Raise Chrysler RFE Transmission Line Pressure — No Tuning Required
October 24, 2018
Clean Up Your Shifts with Sonnax Line Pressure Booster Kits
April 05, 2016