Transmission Parts Finder

4L60 • 4L60-E • 4L65-E • 4L70-E

Smart-Tech® Clutch Kit 77734-01K

Recommended clutch pack for Smart-Tech input housing kits.

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-12KB

For units with 300mm converter, reluctor-style shaft.

Heavy Duty Input Shaft 77733-11SB

For units with 300mm converter, non-reluctor style shaft.

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-11KB

For units with 300mm converter, non-reluctor style shaft.

Heavy Duty Input Shaft 77733-12SB

For units with 300mm converter, reluctor-style shaft.

4L60 • 4L60-E • 4L65-E • 4L70-E

Input Housing Forward Sleeve Kit 77733-52K

Requires Sonnax overrun sleeve and compatible overrun piston. See instructions for details.

Tool Kit F-77754-TL62

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

4L60 • 4L60-E • 4L65-E • 4L70-E

4L60-E • 4L65-E
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.

4L60-E • 4L65-E
Heavy Duty Remanufactured Valve Body GM053-HD

Fits ’96–’08 units. Enhanced input sprag and Forward Clutch durability by engaging overrun clutch in D3 1st and 2nd Gears. Includes heavy duty 2-3 shift valve for enhanced protection.

4L60 • 4L60-E • 4L65-E • 4L70-E

Input Housing Overrun Sleeve Kit 77733-51KA

4L60 • 4L60-E • 4L65-E • 4L70-E

Reamer 77787-RM3

4L60 • 4L60-E • 4L65-E • 4L70-E

Oversized Servo Pin Kit 77787-03K

Helps cure:

Pin bore wear
No 4th
Burnt band (GM)
2-3 Bind-up
3-4 Clutch failure

Transmission Parts

Looking for Part Instructions?

View Sonnax Part Instructions

4L60 • 4L60-E • 4L65-E • 4L70-E

Replacement Seal Kit 77733-SK

4L60 • 4L60-E • 4L65-E • 4L70-E

Smart-Tech® Clutch Kit 77734-01K

4L60-E • 4L65-E • 4L70-E

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-12KB

4L60-E • 4L65-E • 4L70-E

Heavy Duty Input Shaft 77733-11SB

4L60-E • 4L65-E • 4L70-E

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-11KB

4L60-E • 4L65-E • 4L70-E

Heavy Duty Input Shaft 77733-12SB

4L60 • 4L60-E • 4L65-E • 4L70-E

Input Housing Forward Sleeve Kit 77733-52K

4L60-E • 4L65-E • 4L70-E

Tool Kit F-77754-TL62

4L60-E • 4L65-E • 4L70-E

Oversized Low Overrun Valve Kit 77754-62K

4L60 • 4L60-E • 4L65-E • 4L70-E

2nd Gear Servo Kit 77701-02K

4L60-E • 4L65-E
Heavy Duty Remanufactured Valve Body GM054-HD

4L60-E • 4L65-E
Heavy Duty Remanufactured Valve Body GM053-HD

4L60 • 4L60-E • 4L65-E • 4L70-E

Input Housing Overrun Sleeve Kit 77733-51KA

4L60 • 4L60-E • 4L65-E • 4L70-E

Reamer 77787-RM3

4L60 • 4L60-E • 4L65-E • 4L70-E

Oversized Servo Pin Kit 77787-03K

Transmission Parts

Looking for Part Instructions?

View Sonnax Part Instructions

4L60 • 4L60-E • 4L65-E • 4L70-E

Replacement Seal Kit 77733-SK

4L60 • 4L60-E • 4L65-E • 4L70-E

Smart-Tech® Clutch Kit 77734-01K

4L60-E • 4L65-E • 4L70-E

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-12KB

4L60-E • 4L65-E • 4L70-E

Heavy Duty Input Shaft 77733-11SB

4L60-E • 4L65-E • 4L70-E

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-11KB

4L60-E • 4L65-E • 4L70-E

Heavy Duty Input Shaft 77733-12SB

4L60 • 4L60-E • 4L65-E • 4L70-E

Input Housing Forward Sleeve Kit 77733-52K

4L60-E • 4L65-E • 4L70-E

Tool Kit F-77754-TL62

4L60-E • 4L65-E • 4L70-E

Oversized Low Overrun Valve Kit 77754-62K

4L60 • 4L60-E • 4L65-E • 4L70-E

2nd Gear Servo Kit 77701-02K

4L60-E • 4L65-E Heavy Duty Remanufactured Valve Body GM054-HD

4L60-E • 4L65-E Heavy Duty Remanufactured Valve Body GM053-HD

4L60 • 4L60-E • 4L65-E • 4L70-E

Input Housing Overrun Sleeve Kit 77733-51KA

4L60 • 4L60-E • 4L65-E • 4L70-E

Reamer 77787-RM3

4L60 • 4L60-E • 4L65-E • 4L70-E

Oversized Servo Pin Kit 77787-03K

4L60-E • 4L65-E
Heavy Duty Remanufactured Valve Body GM054-HD

4L60-E • 4L65-E
Heavy Duty Remanufactured Valve Body GM053-HD