Sonnax Transmission Company Parts and Accessories

LOW/REVERSE SERVO PISTON

Part Number: SOX-34914-02

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $10 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: Tomorrow

• $10 Summit Bucks

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

Part Number: SOX-34914-01

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Driveshaft Components, Splined Stub and Sleeve, Aluminum, 3.5 in. Diameter, Natural Finish, Rubber Boot, with Clamps, Universal, Kit

Part Number: SOX-T35125350KIT

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order

Band Adjustment Screw Kit, Automatic Transmission Rebuild Component, Chevy, Powerglide, Kit

Part Number: SOX-28612-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• $10 Summit Bucks

Throttle Valve Plunger Kit, Prevents 4-3 Kickdown, 4L60, 700R4, Kit

Part Number: SOX-77966-94MK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Yokes, Flange Style, Aluminum, 4-Bolt, 3.75 in. Bolt Circle, 1.56 in. Face to Centerline, Male Pilot Type, with Bearing Caps, for 1350 U-Joint, Each

Part Number: SOX-T3-2-119A

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Automatic Transmission Shift Kits, Zip Kit, with End Plugs, O-Rings, Solenoid Modulator, Boost/Accumulator/Lockup Control Valves, Lexus, Toyota, Kit

Part Number: SOX-S0001

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VALVE KIT

Part Number: SOX-104740-09K

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Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Piston, Accumulator, Billet Aluminum, Chrysler, Chrysler, 42RE, 46RE, 46RH, 47RH, 47RE, 47RH, 48RE, Each

Part Number: SOX-22841-04K

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

• $10 Summit Bucks

YOKE FLANGE

Part Number: SOX-T3-2-1859A

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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HI CLUTCH DRUM 10 FRICTION

Part Number: SOX-28756-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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• $10 Summit Bucks

FORWARD/REVERSE ABUSE VALVE

Part Number: SOX-7775435K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Cover, Accumulator Piston, GM, TH350, TH350C, Each

Part Number: SOX-35988-01K

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

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Yoke, 4R70W Transmission, Forged Steel, 28-Spline, Spicer 1330 Joint Style, 6.63 in. Length, Each

Part Number: SOX-T2-3-14061HP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping
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Yokes, Weld-On Style, Aluminum, for 1350 U-Joint, 3.5 in. Diameter Tube, 0.125 in. Wall, with Bearing Caps, CL to Weld of 2.5 in. Long, Each

Part Number: SOX-T35-28-3512L

Not Yet Reviewed

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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: Tomorrow

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Automatic Transmission Boost Valves, Oversized Pressure Regulator Valve, Sleeve, Spring, Drill Bit, Checkball, GM, 6L45, 6L50, 6L80, 6L90, Kit

Part Number: SOX-104520-07K

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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GOVERNOR

Part Number: SOX-731

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Clutch Friction Plates, Steel, 0.034 in. Thick, 68RFE, Kit

Part Number: SOX-72960-11SVC

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Estimated Ship Date: Tomorrow

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

Part Number: SOX-ZF6-GEN2-ZIP

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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• $10 Summit Bucks

INPUT SHAFT

Part Number: SOX-72670B-01

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• $10 Summit Bucks
• Special Order