Transmission Parts

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6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 1), 6T45 (Gen. 2), 6T50 (Gen. 1), 6T50 (Gen. 2) Bearing Kit SBK-G40

6T40 (Gen. 1) • 6T40 (Gen. 2) • 6T45 (Gen. 1) • 6T45 (Gen. 2) • 6T50 (Gen. 1) • 6T50 (Gen. 2)

Bearing Kit SBK-G40

Does not fit Gen. 3 units.

Helps cure:

Bearing noise
Bearing failure

6T30 (Gen. 1), 6T30 (Gen. 2), 6T31 (Gen. 3 6T40), 6T35 (Gen. 3 6T40), 6T40 (Gen. 1), 6T40 (Gen. 2), 6T41 (Gen. 3 6T40), 6T45 (Gen. 1), 6T45 (Gen. 2), 6T46 (Gen. 3 6T40), 6T50 (Gen. 1), 6T50 (Gen. 2), 6T51 (Gen. 3 6T40) Actuator Feed Limit Valve Kit 144740-39K

6T30 (Gen. 1) • 6T30 (Gen. 2) • 6T31 (Gen. 3 6T40) • 6T35 (Gen. 3 6T40) • 6T40 (Gen. 1) • 6T40 (Gen. 2) • 6T41 (Gen. 3 6T40) • 6T45 (Gen. 1) • 6T45 (Gen. 2) • 6T46 (Gen. 3 6T40) • 6T50 (Gen. 1) • 6T50 (Gen. 2) • 6T51 (Gen. 3 6T40)

Actuator Feed Limit Valve Kit 144740-39K

Helps cure:

No 4th
No 5th
No 6th
Low clutch oil pressure
Harsh shifts
Flare shifts

6T30 (Gen. 1), 6T30 (Gen. 2), 6T31 (Gen. 3 6T40), 6T35 (Gen. 3 6T40), 6T40 (Gen. 1), 6T40 (Gen. 2), 6T41 (Gen. 3 6T40), 6T45 (Gen. 1), 6T45 (Gen. 2), 6T46 (Gen. 3 6T40), 6T50 (Gen. 1), 6T50 (Gen. 2), 6T51 (Gen. 3 6T40) TCC Regulator Valve Kit 144740-38K

6T30 (Gen. 1) • 6T30 (Gen. 2) • 6T31 (Gen. 3 6T40) • 6T35 (Gen. 3 6T40) • 6T40 (Gen. 1) • 6T40 (Gen. 2) • 6T41 (Gen. 3 6T40) • 6T45 (Gen. 1) • 6T45 (Gen. 2) • 6T46 (Gen. 3 6T40) • 6T50 (Gen. 1) • 6T50 (Gen. 2) • 6T51 (Gen. 3 6T40)

TCC Regulator Valve Kit 144740-38K

Helps cure:

Code P0741, P0742
No lockup
TCC slip
Loss of fuel economy
Low TCC apply pressure
Overheated fluid & TCC lining
Harsh TCC apply

6T40 (Gen. 1), 6T40 (Gen. 2), 6T41 (Gen. 3 6T40), 6T45 (Gen. 1), 6T45 (Gen. 2), 6T46 (Gen. 3 6T40), 6T50 (Gen. 1), 6T50 (Gen. 2), 6T51 (Gen. 3 6T40) 3-5-R Drum Saver Kit 144555K

6T40 (Gen. 1) • 6T40 (Gen. 2) • 6T41 (Gen. 3 6T40) • 6T45 (Gen. 1) • 6T45 (Gen. 2) • 6T46 (Gen. 3 6T40) • 6T50 (Gen. 1) • 6T50 (Gen. 2) • 6T51 (Gen. 3 6T40)

3-5-R Drum Saver Kit 144555K

Helps cure:

Code P0776
Flare shifts
Harsh Reverse
No Reverse
2-3 Harsh
No 3rd
4-5 Harsh
No 5th

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Remanufactured Valve Body GM6T40-1

6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Remanufactured Valve Body GM6T40-1

6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Vacuum Test Plate Kit 144740-VTP

6F35 (Gen. 1) • 6F35 (Gen. 2) • 6F35 (Gen. 3) • 6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Vacuum Test Plate Kit 144740-VTP

6F35 (Gen. 1), 6F35 (Gen. 2), 6F35 (Gen. 3), 6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Vacuum Test Plate Kit Seal 144740-VTP-S

6F35 (Gen. 1) • 6F35 (Gen. 2) • 6F35 (Gen. 3) • 6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Vacuum Test Plate Kit Seal 144740-VTP-S

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Zip Kit® 6T40-ZIP

6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Zip Kit® 6T40-ZIP

Helps cure:

Burnt clutches
Line pressure instability
Loss of fuel economy
No line rise
Pressure loss
Pressure switch codes
Shift concerns
TCC apply & release concerns
TCC codes

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Pressure Switch Rebuild Kit 144510-09K

6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Pressure Switch Rebuild Kit 144510-09K

Helps cure:

Pressure switch codes
Pressure control out-of-range codes
Failsafe mode
Slips, flares & bind-ups
Harsh shifts
Shift codes

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Oversized Pressure Regulator Valve Kit 144510-01K

6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Oversized Pressure Regulator Valve Kit 144510-01K

Helps cure:

Erratic line pressure
Burnt clutches
Poor shift quality
Low converter & lube flow
Overheating
TCC apply & release concerns

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Tool Kit F-144510-TLC

6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Tool Kit F-144510-TLC

6T30 (Gen. 1), 6T30 (Gen. 2), 6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 1), 6T45 (Gen. 2), 6T50 (Gen. 1), 6T50 (Gen. 2) Tool Kit F-144510-TL5C

6T30 (Gen. 1) • 6T30 (Gen. 2) • 6T40 (Gen. 1) • 6T40 (Gen. 2) • 6T45 (Gen. 1) • 6T45 (Gen. 2) • 6T50 (Gen. 1) • 6T50 (Gen. 2)

Tool Kit F-144510-TL5C

6T30 (Gen. 1), 6T30 (Gen. 2), 6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 1), 6T45 (Gen. 2), 6T50 (Gen. 1), 6T50 (Gen. 2) Oversized TCC Control Valve Kit 144510-05K

6T30 (Gen. 1) • 6T30 (Gen. 2) • 6T40 (Gen. 1) • 6T40 (Gen. 2) • 6T45 (Gen. 1) • 6T45 (Gen. 2) • 6T50 (Gen. 1) • 6T50 (Gen. 2)

Oversized TCC Control Valve Kit 144510-05K

Helps cure:

Excess TCC slip
Low cooler flow
Overheating
Low converter & lube flow
TCC apply & release concerns
TCC codes
TCC lining failure

6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1) Oversized Clutch Boost Valve 144740-22

6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1)

Oversized Clutch Boost Valve 144740-22

Helps cure:

Slip codes
Delayed engagement
1-2-3-4 Clutch burned
Shift quality is not load sensitive
Harsh shifts
Slide shifts
Slips & flares

6F50, 6F55, 6T30 (Gen. 1), 6T40 (Gen. 1), 6T45 (Gen. 1), 6T50 (Gen. 1), 6T70 (Gen. 1), 6T70 (Gen. 2), 6T75 (Gen. 1), 6T75 (Gen. 2), 6T80 (Gen. 2) Tool Kit F-144740-TL22

6F50 • 6F55 • 6T30 (Gen. 1) • 6T40 (Gen. 1) • 6T45 (Gen. 1) • 6T50 (Gen. 1) • 6T70 (Gen. 1) • 6T70 (Gen. 2) • 6T75 (Gen. 1) • 6T75 (Gen. 2) • 6T80 (Gen. 2)

Tool Kit F-144740-TL22

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