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), 10L80 (Gen. 1), 10L90 (Gen. 1), 10R60, 10R80 Latch Valve Stem Repair Kit 105740-47K

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

Latch Valve Stem Repair Kit 105740-47K

Helps cure:

Burnt clutches
Lost or damaged component

10L60 (Gen. 1), 10L60 (Gen. 2), 10L80 (Gen. 1), 10L80 (Gen. 2), 10L90 (Gen. 1), 10L90 (Gen. 2), 10R60, 10R80 Tool Kit F-105740-TL22

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

Tool Kit F-105740-TL22

10L60 (Gen. 1), 10L60 (Gen. 2), 10L80 (Gen. 1), 10L80 (Gen. 2), 10L90 (Gen. 1), 10L90 (Gen. 2), 10R60, 10R80 Oversized TCC Priority Valve Kit 105740-22K

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

Oversized TCC Priority Valve Kit 105740-22K

Helps cure:

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

10L1000, 10L60 (Gen. 1), 10L60 (Gen. 2), 10L80 (Gen. 1), 10L80 (Gen. 2), 10L90 (Gen. 1), 10L90 (Gen. 2), 10R60, 10R80 Tool Kit F-105740-TL16

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

Tool Kit F-105740-TL16

10R60, 10R80 Oversized TCC Regulator Valve Kit 105740-15K

10R60 • 10R80

Oversized TCC Regulator Valve Kit 105740-15K

Fits 10R80 series units without ridge mark on OE valve.

Helps cure:

TCC apply & release concerns
Low TCC apply pressure in full lockup
Converter shudder & TCC slip

10L60 (Gen. 1), 10L80 (Gen. 1), 10L90 (Gen. 1), 10R60, 10R80 Zip Kit® 10L80-G1-10R80-ZIP

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

Zip Kit® 10L80-G1-10R80-ZIP

Helps cure:

TCC apply & release concerns
Overheated fluid
Various shift concerns
Delayed engagement
Burnt clutches
Lube failures
Loss of shift solenoid control pressure
Low cooler flow

10L1000, 10L60 (Gen. 1), 10L80 (Gen. 1), 10L90 (Gen. 1), 10R60, 10R80 TCC Regulator Valve Spring 105740-29

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

TCC Regulator Valve Spring 105740-29

Helps cure:

TCC apply & release concerns
Low cooler flow
Converter shudder & TCC slip

10L80 (Gen. 1), 10L90 (Gen. 1), 10R140, 10R60, 10R80 LPC Signal Damper Piston Kit 105740-04K

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

LPC Signal Damper Piston Kit 105740-04K

Helps cure:

Harsh shifts
High line pressure

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) • 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), 10L60 (Gen. 2), 10L80 (Gen. 1), 10L80 (Gen. 2), 10L90 (Gen. 1), 10L90 (Gen. 2), 10R140, 10R60, 10R80 Tool Kit F-105740-TL20

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

Tool Kit F-105740-TL20

10L60 (Gen. 1), 10L80 (Gen. 1), 10L90 (Gen. 1), 10R140, 10R60, 10R80 Oversized Main Pressure Regulator Valve Kit 105740-20K

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

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

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

10L60 (Gen. 1), 10L80 (Gen. 1), 10L90 (Gen. 1), 10R140, 10R60, 10R80 Main Pressure Regulator Valve Kit 105740-12K

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

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

10L1000, 10L60 (Gen. 1), 10L60 (Gen. 2), 10L80 (Gen. 1), 10L80 (Gen. 2), 10L90 (Gen. 1), 10L90 (Gen. 2), 10R140, 10R60, 10R80 Solenoid Stabilization Clip Insert 105740-01K

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

Solenoid Stabilization Clip Insert 105740-01K

Helps cure:

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

↑