Transmission Parts

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

Find a Distributor

Looking for Part Instructions?

View Sonnax Part Instructions

Enter a Sonnax part number below to view its instructions. For general reaming instructions, click here.

10L60 (Gen. 1) • 10L60 (Gen. 2) • 10L80 (Gen. 1) • 10L80 (Gen. 2) • 10L90 (Gen. 1) • 10L90 (Gen. 2) • 10R60 • 10R80

TCC Priority Valve Kit 105740-03K

Helps cure:

TCC apply & release concerns
Overheated fluid
TCC slip codes
Low line pressure & TCC concerns

10L60 (Gen. 1) • 10L80 (Gen. 1) • 10L90 (Gen. 1) • 10R140 • 10R60 • 10R80

Oversized Main Pressure Regulator Valve Kit 105740-20K

Helps cure:

Low line pressure
Various shift concerns
Delayed engagement
Poor shift quality
Burnt clutches

10L60 (Gen. 2) • 10L80 (Gen. 2) • 10L90 (Gen. 2)

Oversized Main Pressure Regulator Valve Kit 105740-21K

Helps cure:

Low line pressure
Various shift concerns
Delayed engagement
Poor shift quality
Burnt clutches

Honda, Acura 9-Speed • ZF9HP48

A & F Dog Clutch Plunger Valve Kit 85740-22K

Fits units with .196" dia. plunger valve only.

Helps cure:

Loss of higher gears
Damaged A dog clutch
Damaged F dog clutch
Input shaft damage
P3 & P4 sun gear damage
Delayed engagement
Cycling RPM during shift

Solenoid Stabilization Clip Insert 184740-04K

Helps cure:

Loss of shift solenoid control pressure
Poor shift quality
Various shift concerns
Burnt clutches
Damaged valve body casting

10L1000 • 10L60 (Gen. 1) • 10L60 (Gen. 2) • 10L80 (Gen. 1) • 10L80 (Gen. 2) • 10L90 (Gen. 1) • 10L90 (Gen. 2) • 10R140 • 10R60 • 10R80

Solenoid Stabilization Retainer 105740-19K

Helps cure:

Loss of shift solenoid control pressure
Poor shift quality
Various shift concerns
Burnt clutches
TCC apply & release concerns
Damaged valve body casting

6F35 (Gen. 1) • 6F35 (Gen. 2) • 6F35 (Gen. 3)

Oversized Low Reverse/Overdrive (4-5-6) Clutch Regulator Valve Kit 144740-43K

Helps cure:

3-4 Flare
Burnt Low/Reverse clutch
OD clutch burned
4-5-6 Slip
Delayed Reverse
4th Slip

K1 Apply Boost Valve Kit 122740-29K

Also fits A466ND.

Helps cure:

Coastdown clunk
Delayed Forward
Forward slip

Lockup Boost Valve Kit 122740-30K

Also fits A466ND.

Helps cure:

TCC slip
TCC slip codes
TCC apply & release concerns

Oversized Low Overrun Valve Kit 77754-62K

Helps cure:

Burnt Reverse clutch
Burnt Low/Reverse clutch
No Reverse
No Manual 1st
Slips in Forward & Reverse
Low line pressure in Reverse

10L60 (Gen. 1) • 10L80 (Gen. 1) • 10L90 (Gen. 1) • 10R140 • 10R60 • 10R80

Main Pressure Regulator Valve Kit 105740-12K

Helps cure:

Low line pressure
Various shift concerns
Delayed engagement
Poor shift quality
Burnt clutches
TCC apply & release concerns

10L1000 • 10L60 (Gen. 1) • 10L60 (Gen. 2) • 10L80 (Gen. 1) • 10L80 (Gen. 2) • 10L90 (Gen. 1) • 10L90 (Gen. 2) • 10R140 • 10R60 • 10R80

Clutch Control Valve Bore Sizing Tool 105740-BST

Recommended

O-Ringed End Plug Kit 184740-03K

Fits both ETRS and non-ETRS valve bodies. Port configurations may change due to variations of casting channels.

Helps cure:

Harsh shifts
Burnt clutches
Pressure loss
Soft shifts
Flare shifts

Valve Body Separator Plate 22747-86

Helps cure:

Lost or damaged component

Heavy Duty Remanufactured Valve Body GM054-HD

Fits ’96–’08 units. Prevents input sprag and Forward clutch failure by engaging overrun clutch in D4 1st, 2nd and 3rd Gears and D3 1st and 2nd Gears. Includes fluid rerouting for additional D4 protection and new servo cushion spring to reduce downshift clunk.

↑

Transmission Parts

Looking for Part Instructions?

View Sonnax Part Instructions

10L60 (Gen. 1) • 10L60 (Gen. 2) • 10L80 (Gen. 1) • 10L80 (Gen. 2) • 10L90 (Gen. 1) • 10L90 (Gen. 2) • 10R60 • 10R80

TCC Priority Valve Kit 105740-03K

10L60 (Gen. 1) • 10L80 (Gen. 1) • 10L90 (Gen. 1) • 10R140 • 10R60 • 10R80

Oversized Main Pressure Regulator Valve Kit 105740-20K

10L60 (Gen. 2) • 10L80 (Gen. 2) • 10L90 (Gen. 2)

Oversized Main Pressure Regulator Valve Kit 105740-21K

Honda, Acura 9-Speed • ZF9HP48

A & F Dog Clutch Plunger Valve Kit 85740-22K

9T45 • 9T50 • 9T60 • 9T65

Solenoid Stabilization Clip Insert 184740-04K

10L1000 • 10L60 (Gen. 1) • 10L60 (Gen. 2) • 10L80 (Gen. 1) • 10L80 (Gen. 2) • 10L90 (Gen. 1) • 10L90 (Gen. 2) • 10R140 • 10R60 • 10R80

Solenoid Stabilization Retainer 105740-19K

6F35 (Gen. 1) • 6F35 (Gen. 2) • 6F35 (Gen. 3)

Oversized Low Reverse/Overdrive (4-5-6) Clutch Regulator Valve Kit 144740-43K

AS66RC • AS69RC • RE6R01A

K1 Apply Boost Valve Kit 122740-29K

AS66RC • AS69RC • RE6R01A

Lockup Boost Valve Kit 122740-30K

4L60-E • 4L65-E • 4L70-E

Oversized Low Overrun Valve Kit 77754-62K

10L60 (Gen. 1) • 10L80 (Gen. 1) • 10L90 (Gen. 1) • 10R140 • 10R60 • 10R80

Main Pressure Regulator Valve Kit 105740-12K

10L1000 • 10L60 (Gen. 1) • 10L60 (Gen. 2) • 10L80 (Gen. 1) • 10L80 (Gen. 2) • 10L90 (Gen. 1) • 10L90 (Gen. 2) • 10R140 • 10R60 • 10R80

Clutch Control Valve Bore Sizing Tool 105740-BST

9T45 • 9T50 • 9T60 • 9T65

O-Ringed End Plug Kit 184740-03K

A727 • A904

Valve Body Separator Plate 22747-86

4L60-E • 4L65-E

Heavy Duty Remanufactured Valve Body GM054-HD