Sonnax Transmission Parts

Automatic Transmission Accumulator Pistons, Pinless, Aluminum, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SOX-77998-03K

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Yoke, TH400, 4L80E Transmission, Forged Steel, 32-Spline, Spicer 1330 Joint Style, 6.76 in. Length, Each

Part Number: SOX-T2-3-10831HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Rebuild Kit, GM 700R4, 4L60, Kit

Part Number: SOX-SC4L60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Bearing/Race Kit, Sun/Internal, Center Support/Sun, GM, TH400/4L80-E/4L85-E, Kit

Part Number: SOX-SBK-G10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Band, Alto, Extra Wide Intermediate Band, GM, 4L60, 4L60E, 4L65E, 4L70E, 700R4, Each

Part Number: SOX-77700-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Yoke, Automatic/Manual Transmission, Forged Steel, 27-Spline, Spicer 1330 Joint Style, 4.47 in. Length, Each

Part Number: SOX-T2-3-12081HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Clutch Hub, Full, Carbon Steel, GM, 4L80E, 4L85E, TH400, TH425, Each

Part Number: SOX-34322-01

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Component, Low/Reverse Band Servo Pin, Kit

Part Number: SOX-34912-01K

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Servo Pin, Extra Long, Seals, 4L60E, 4L65E, 4L70E, THM700-R4/4L60/MD8, Kit

Part Number: SOX-77787-02K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Kickdown Component, TV Cable Corrector, GM 200, 200-4R, 200C, 4L60, Ford AOD, AXOD, Kit

Part Number: SOX-AS4-04K

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Servo Piston, 2nd Gear Type, Billet Aluminum, Piston D-rings, Housing, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77701-04K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Check Balls, 1/4 in. Diameter, Set of 10

Part Number: SOX-10000-08

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Line Pressure Booster Kit, Hydraulic, Valve, Sleeve, Pressure Regulator Spring, O-rings, GM, TH400, Kit

Part Number: SOX-400-LB1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Low/Reverse Servo Piston, Heavy Duty, Billet Aluminum, GM, TH400, 4L80E, Each

Part Number: SOX-34914-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Manual Shift, Metric Flange Nuts, TH400, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: SOX-38511-05K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

SPRING RETAINERS SET OF 5

Part Number: SOX-34554-12

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Throttle Valve Cable Corrector, Edelebrock, GM 700-R4, 200-4R, Ford AOD

Part Number: SOX-AS5-05K

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Throttle Cable Bracket, Steel, Fits Holley Carburetors, Each

Part Number: SOX-AS6-01

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Clutch Backing Plate, THM400, 4L80-E, Kit

Part Number: SOX-34144HD-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

SERVO 200-4R HI PERF

Part Number: SOX-K65703-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks

Oil Pump Bushing, Automatic Transmission Rebuild Component, AT540, Powerglide, TH350, TH400, Each

Part Number: SOX-34034T-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Input Drum Reinforcement Kit, 4L60, 700R4, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77733-02K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Governor Green Gear, GM, TH350, TH350C, Kit

Part Number: SOX-352

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Kickdown Component, TV Cable Corrector, GM 200, 200-4R, 200C, 4L60, Ford AOD, AXOD, Kit

Part Number: SOX-AS1-01K

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Case Bushing, TH400, 4L80E, 4L85E, Each

Part Number: SOX-34006-SP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks