Transmission Parts

Browse all Sonnax transmission parts here, or use the filters below to find just what you are looking for.

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AT-540 • MT-600

Oil Pan Filter SP6883044

Fits AT-545, MT-640/643/644/650/654. For deep pan, sealed power.

722.6

Bearing & Seal Kit 68410-02K

For K2 Clutch Drum

Helps cure:

Planetary failure

U140E • U140F • U151E • U151F • U240E • U241E • U250E

Oversized Secondary Pressure Regulator Valve Kit 57917E-16K

Helps cure:

TCC apply & release concerns
TCC codes
Burnt converter
Lube failures

4R100 • E4OD

Performance Rated Accumulator Spring Kit 36948-18K

Helps cure:

Soft shifts
Long soft shift in towing & heavy-duty applications

6L45 • 6L50 • 6L80 • 6L90

Tool Kit F-104740-TL7

42RE • 42RH • 46RE • 46RH • 47RE • 47RH • 48RE

Bearing Kit SBK-C16

Fits '88-Later

Helps cure:

Bearing noise
Bearing failure

4L60

Throttle Valve Plunger Kit 77966-94MK

Helps cure:

Low line rise
Early upshifts
Soft upshifts
Premature 3-4 clutch failure
Low line pressure

4R44E • 4R55E • 5R44E • 5R55E • A4LD • C3

Reverse Servo Sleeve Kit 56532-01K

Helps cure:

Reverse band failure
Rear servo bore wear
Forward clutch failure
Delayed Forward clutch

42RE • 42RH • 44RE • 44RH • 46RE • 46RH • 47RE • 47RH • A727

Line Pressure Plug & Sleeve Kit 22229-04K

Fits Chrysler A727 units with boost tube only and 42-46-47RH/RE units with .264" plug diameters.

Helps cure:

Reverse slip
Poor line pressure control
Poor Forward & Reverse engagement
Poor cooler charge at idle
Soft Reverse

C4 • C5

"C" Ratio Servo Kit K13259C

Purple Anodized

4L60

Throttle Valve Plunger Valve Kit 77966-94K

OE plungers with code 94

Helps cure:

Low line rise
Early upshifts
Soft upshifts
Premature 3-4 clutch failure
Low line pressure

C4 • C5

Replacement Seal Kit K13259C-SK

TH350 • TH350C

Line Pressure Booster Kit 350-LB1

5R55S • 5R55W

Oversized VFS Modulator Control Valve Kit 56947J-19K

Fits either of 2 locations

Helps cure:

Flare shifts
Pressure control out-of-range codes
Low line pressure

4L80-E • 4L85-E

Oversized Accumulator Control Valve Kit 34994-22K

Helps cure:

Soft shift & low accumulator pressure
High line pressure in Drive
Low line rise in Reverse

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