Transmission Parts

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6F50 • 6F55 • 6T70 (Gen. 1) • 6T70 (Gen. 2) • 6T75 (Gen. 1) • 6T75 (Gen. 2) • 6T80 (Gen. 2)

Isolator Valve Kit 124740-03K

Helps cure:

Low line pressure
Line pressure instability
No line rise
Burnt clutches
Harsh shifts
Shift concerns

6F50 • 6F55 • 6T70 (Gen. 1) • 6T70 (Gen. 2) • 6T75 (Gen. 1) • 6T75 (Gen. 2) • 6T80 (Gen. 2)

Oversized TCC Regulator Valve Kit 124740-24K

Helps cure:

Code P0741, P0742
Harsh TCC apply
TCC slip
Loss of fuel economy
Low TCC apply pressure
Overheated fluid & TCC lining

6F50 • 6F55 • 6T70 (Gen. 1) • 6T75 (Gen. 1)

Oversized Clutch Boost/Latch Valve 144740-23

Fits any of 3 locations.

Helps cure:

Shift quality is not load sensitive
Harsh shifts
Slips & flares
Delayed engagement
Burnt clutches
Slide shifts
Slip codes

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

Zip Kit® 6F35-ZIP

Helps cure:

Burnt clutches
Delayed engagement
Inadequate lubrication
Low pressure
Slips & flares
Soft shifts
TCC apply & release concerns
TCC codes

6T70 (Gen. 1) • 6T75 (Gen. 1)

4-5-6 Accumulator Piston Kit 124740-04K

Helps cure:

3-4 Flare
Ratio codes
4-5-6 Clutch burned
Slipping gears
3-4 Harsh

6F50 • 6F55 • 6T70 (Gen. 1) • 6T70 (Gen. 2) • 6T75 (Gen. 1) • 6T75 (Gen. 2) • 6T80 (Gen. 2)

O-Ringed End Plug Kit 124740-02K

Helps cure:

Pressure loss
Shift concerns
Burnt clutches
TCC apply concerns

4L80-E • 4L85-E

Reverse Checkball Sleeve 34200-38

Fits units '95-later.

Helps cure:

Reverse slip
Gear ratio codes
3rd Slip
4th Slip
Direct clutch burned
No Reverse

09G, 09K, 09M • 6F21WA • TF-60SN

Oversized B1 Clutch Control Valve Kit 15741-61K

Helps cure:

1-2 Flare
5-6 Flare
2nd Slip
6th Slip
Gear ratio & solenoid codes
B1 Clutches burned
Erratic shift timing
Harsh shifts

6F50 • 6F55 • 6T70 (Gen. 1) • 6T70 (Gen. 2) • 6T75 (Gen. 1) • 6T75 (Gen. 2) • 6T80 (Gen. 2)

Isolator Valve Spring 124740-16

Helps cure:

No line rise
Line pressure instability

09G, 09K, 09M • 6F21WA • TF-60SN • TF-80SC • TF-81SC

Oversized C1/K1 Clutch Control Valve Kit 15741-55K

Also fits Volvo (AM6), Opel (AF40), Saab (AF40/6), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

C1 Clutch burned
K1 Clutch burned
Coastdown Neutral
Delayed Forward
Gear ratio & solenoid codes
Erratic shift timing
Flare shifts
Harsh shifts

U760E • U760F

Reverse Boost Valve Kit 47740-38K

Helps cure:

Delayed Reverse
Low line rise in Reverse
B2 Clutches burned
UD/B3 Clutches burned
Low Reverse boost
No Reverse
B4 Clutch burned
Reverse slip

U760E • U760F

B1 Apply Boost Valve Kit 47740-40K

Helps cure:

1-2 Flare
5-6 Flare
B1 Clutches burned
Gear ratio codes
No Manual 1st
2nd Slip
6th Slip
Bind-up

09G, 09K, 09M • 6F21WA • TF-60SN

Oversized K2 Clutch Control Valve Kit 15741-57K

Helps cure:

Erratic shift timing
Flare shifts
Harsh shifts
K2 Clutch burned
Gear ratio & solenoid codes

09G, 09K, 09M • 6F21WA • TF-60SN

Oversized K3 Clutch Control Valve Kit 15741-59K

Helps cure:

2-3 Shift concerns
4-5 Concerns
Delayed Reverse
Gear ratio & solenoid codes
K3 Clutch burned

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

Oversized Clutch Latch Valve 144740-21

Fits any of 4 locations.

Helps cure:

Slips & flares
Delayed engagement
Shift quality is not load sensitive
Harsh shifts
Slide shifts
Slip codes
Burnt clutches

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