• A727
• A904
• Fits '62–'77 units.

Under extreme pressure or temperature conditions, the converter/lube circuit in listed Chrysler RWD units can be restricted by the PR valve. The practice of drilli...Read More

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• 48RE

Chrysler 48RE units often have problems with Reverse operation such as delayed engagement and soft or slipping Reverse. Other concerns may be poor cooler charge at...Read More

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• 48RE

In Chrysler 48RE transmissions, the cooler/converter charge circuit is not opened until the pressure regulator valve moves far enough to flow oil. The industry fix...Read More

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• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727

Chrysler 46RH/RE, 47RH/RE, 48RE and A727 transmissions often bend or break the kickdown band strut. To eliminate this problem, Sonnax offers heavy duty kickdown ba...Read More

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• A618, 47RH/RE, 48RE (310mm) Multi-Plate Performance Converter
• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)
• Requires a furnace-brazed, low stall 5R110W, 6-stud core.

Sonnax dampered performance converter kit BWFD-RK-1 contains all parts needed to convert a readily available, low-stall Ford 5R110W 6-stud core to a BorgWarner 310...Read More

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• 46RE
• 46RH
• 47RE
• 47RH
• 48RE

Many OE supports in Chrysler 46RH/RE, 47RH/RE and 48RE units do not seal well against the case, leading to reduced lube flow to the gear train and consumption of p...Read More

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• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)
• Borg Warner 310mm LU (Chrysler A618, 47RE & 48RE)

Sonnax BW-SD-4 inner damper springs are for the BW 310mm LU (Chrysler A618), 47RE and 48RE Cummins diesel. These springs replace worn and weak OEM springs that may...Read More

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• 42RE
• 42RH
• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727
• A904

Tool Kit for 22771-12K.

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• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

Sonnax piston/damper repair sleeve kit BW-DS-1K repairs worn or damaged piston bores, restoring them to OE specifications in Chrysler BW 310mm LU (A618, 47RH/RE, 4...Read More

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• 32RH
• 42RE
• 42RH
• 44RE
• 44RH
• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727
• A904
• Kit is designed to fit both the short and long OE detent bore designs.

The detent ball in the valve body in listed Chrysler transmissions wears into the aluminum bore due to continuous movement and vibration of the linkage. This creat...Read More

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• 42RE
• 42RH
• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727
• A904
• Does not fit '73-earlier

There are two styles of the OE Reverse servo piston plug in Chrysler RWD units: The extended tip version for the 47RH/RE (A618) and 48RE The flat tip versi...Read More

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• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

The Borg Warner 310mm LU (A618, 47RH/RE, 48RE) piston damper cores are becoming scarce. After several rebuilds, the material supporting the friction material becom...Read More

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• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727
• .100" Longer than OE

After the Low/Reverse brake drum has been resurfaced and the brake band has been relined, the band may not hold during apply, causing a slip or no Reverse. Sonnax ...Read More

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• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727

In vehicles with listed Chrysler transmissions, it is common to have long slide 2-3 shifts, direct (front) clutch failure or poor line pressure. These complaints c...Read More

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• A618, 47RH/RE, 48RE (310mm) Multi-Plate Performance Converter
• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

When diesel trucks are modified for racing or street use, OE clutch plates slip and fail to hold. Upgrading to an aftermarket multi-plate converter is the only sol...Read More

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• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727

In listed Chrysler transmissions, the inner race or hub of the one-way roller clutch may come into contact with and cause wear to the back of the transmission case...Read More

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• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• A727

Rubber and PTFE seals freshen the seals in Sonnax second gear super hold servo 22301B-01K to enhance positive sealing and prevent piston contact and bore scuffing ...Read More

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• A618, 47RH/RE, 48RE (310mm) Multi-Plate Performance Converter
• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

When diesel trucks are modified for either racing or street use, OE clutch plates slip and just do not hold. Limited damper capacity further cripples performance. ...Read More

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• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

Sonnax BW-SD-3 outer springs are for the BW 310mm LU (Chrysler A618), 47RE and 48RE Cummins diesel. These springs replace worn and weak OE springs that may have ta...Read More

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• A618, 47RH/RE, 48RE (310mm) Multi-Plate Performance Converter
• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

Sonnax offers impeller hub BW-90-49G for 310mm Chrysler A618, 47RH/RE and 48RE applications to give rebuilders another option when working with heavy-duty BorgWarn...Read More

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• 42RE
• 42RH
• 44RE
• 44RH
• 46RE
• 46RH
• 47RE
• 47RH
• 48RE
• Matches OE 47RE diesel calibration.

In vehicles with listed Chrysler units, it is common for the 3-4 accumulator spring to fatigue, causing sluggish shifts or to break. Sonnax offers specially design...Read More

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• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

Sonnax thrust washer BW-WP-5 is .030" thicker than the OE washer found in BW 310mm LU (Chrysler A618), 47RE and 48RE converters. This extra thickness allows rebuil...Read More

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• A618, 47RH/RE, 48RE (310mm) Multi-Plate Performance Converter

Sonnax chromoly turbine hub BW-HTCM-19HS with hardened internal spline replaces those found in Sonnax performance kits BW-RK-2A and BW-RK-3 for Chrysler A618, 47RH...Read More

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• BorgWarner 310mm LU (A618, 47RH/RE, 48RE)

Sonnax offers heavy-duty front cover BW-CC-1 for the BorgWarner 310mm LU converters found in the Chrysler A618, 47RH/RE, 48RE. The Sonnax cover is made significant...Read More

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