Transmission Parts

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

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6L45 • 6L50 • 6L80 • 6L90

Line Pressure Booster Kit 6L80-LB1

200-4R • 4L60 • AOD • TH200 • TH200C

Carburetor TV Linkage Corrector Kit AS5-05K

Fits Edelbrock®-style throttle arm

Powerglide

Rear Sun Gear Bearing Kit 38208-01K

4L60 • 4L60-E • 4L65-E • 4L70-E

Replacement Seal Kit 77701-04SK

For 77701-04K

4L80-E • 4L85-E • Powerglide • TH400

Heavy Duty Clutch Retaining Ring 28124

Intermediate clutch backing plate

4L80-E • 4L85-E • TH400 • TH425

Forward Clutch Hub Front Washer 34298-078

Material: Steel
Thickness: 0.078"
Outer Dia.: 1.781"
Inner Dia.: 1.289"

Helps cure:

Excess front endplay

Powerglide

Servo Piston & Cover Kit 28821-08K

Dual-seal design, PTFE sealing ring style, Non-anodized

Powerglide

Roller Spacer Kit K28414

For 1.76-style planetary

Powerglide

Front Thrust Washer 8415A

For 1.82-style planetary

C6

Servo Apply Lever 36916FF

"FF" Ratio (2.82)

4L60 • 4L60-E • 4L65-E • 4L70-E

2nd Gear "Corvette" Ratio Servo Kit 77701-04K

.74 Ratio

Powerglide

Servo Cover Kit 28821-03K

Purple anodized

Powerglide

Figure-8 Thrust Washer 8415

For 1.76-style planetary

Powerglide

Servo Piston Kit 28821-02K

Dual-seal design, PTFE sealing ring style

200-4R • 4L60

TV Boost Valve Kit 77917-500

.500" Bore Dia., O-Ring Style

Helps cure:

Soft slide shifts
3-4 Clutch burned
Reduced band life

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