Sonnax Transmission Parts

Yoke, AOD, C-4, T-10, T-5 Transmission, Forged Steel, 28-Spline, Spicer 1310 Joint Style, 6.5 in. Length, Each

Part Number: SOX-T2-3-8251HP

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

Clutch Backing Plate, 4L80-E, 4L85-E, Kit

Part Number: SOX-34144HD-02

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Automatic Transmission Rebuild Components, Pressure Switch Rebuild Kit, GM, 6L45, 6L50, 6L80, 6L90, 6T70, 6T75, Kit

Part Number: SOX-124740-70K

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Shift Kits, Shift Improver, E4OD, 4R100, Sold as a Kit

Part Number: SOX-E4OD4R100ZIP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

TCC Regulator, Isolator Valve, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77754-04K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

LOW/REVERSE SERVO PISTON

Part Number: SOX-34914-02

Not Yet Reviewed

Estimated Ship Date: Today

Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Early Pump, 1.907 in. Long, Kit

Part Number: SOX-4L60E-LB1

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

Pressure Booster, Line Pressure, Electric, Kit

Part Number: SOX-RFE-LB1

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

Transmission Line Adapter Fittings, Cooler Line Repair, Chrysler, Kit

Part Number: SOX-22000-01K

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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

Part Number: SOX-34144HD-01

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Signal Accumulator Pistons, Aluminum, Chevy, GMC, Cadillac, Kit

Part Number: SOX-154740-06K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

EXTREME STRENGTH OUTPUT SHAFT

Part Number: SOX-28924-27L

Not Yet Reviewed

Estimated Ship Date: Oct 31, 2025 if ordered today

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• Special Order

Yoke, Automatic/Manual Transmission, Forged Steel, 28-Spline, Spicer 1330 Joint Style, 5.91 in. Length, Each

Part Number: SOX-T2-3-5981HP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Servo, Super-Hold, 4th Gear, Billet Aluminum, Ford, AOD, Kit

Part Number: SOX-76890-17KP

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Throttle Cable Bracket, Steel, Fits Holley Carburetors, Each

Part Number: SOX-AS6-01

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

Thrust Bearing, Replacement, Chevy, Powerglide, Each

Part Number: SOX-28321

Not Yet Reviewed

Estimated Ship Date: Today

Servo Piston, 2nd Gear Type, Billet Aluminum, Servo Cover, Pipe Plug, Two Seal Rings, Kit

Part Number: SOX-22301B-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Yoke, TH400, Saginaw Transmission, Forged Steel, 32-Spline, Spicer 3R Joint Style, 7.50 in. Length, Each

Part Number: SOX-T3R-3-9161HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: SOX-34914-01

Not Yet Reviewed

Estimated Ship Date: Today

Shift Kit, Zip Kit, ZF6HP-21, ZF6HP-28, ZF6HP-34, Kit

Part Number: SOX-ZF6-GEN2-ZIP

Not Yet Reviewed

Estimated Ship Date: Today

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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: Today

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: Today

TORQUE CONVERTER

Part Number: SOX-GM-RK-21

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4L60E, 4L65E, 4L70E, Late Pump, 1.810 in. Long, Kit

Part Number: SOX-4L60E-LB2

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today