Sonnax Transmission Parts

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

Part Number: SOX-34144HD-01

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, Input Housing Sleeve Kit, 4L60, 4L60-E, 4L65-E, 4L70-E, Kit

Part Number: SOX-77733-51KA

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

VALVE BODY KIT

Part Number: SOX-104960-20K

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Estimated Ship Date: Today

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Transmission Oil Pan, Ford C6, Steel, Each

Part Number: SOX-36950-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, Low/Reverse Sprag Rebuild Kit, Steel, 6L80, Kit

Part Number: SOX-104642-80SK

Not Yet Reviewed

Estimated Ship Date: Today

Clutch Apply Piston Kit, Automatic Transmission Rebuild Components, 6L80, 6L90, Kit

Part Number: SOX-104960-10K

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Automatic Transmission Rebuild Components, Planetary Rebuild Kit, 4L80E, TH400, Kit

Part Number: SOX-34875RK

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Estimated Ship Date: Today

Backing Plate A Clutch

Part Number: SOX-35577-70

Not Yet Reviewed

Estimated Ship Date: Today

PRESSURE PLATE-REVERSE GEAR

Part Number: SOX-28131

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Bushings, Case Bushing, Carrier-Output Shaft, GM Powerglide, Each

Part Number: SOX-28002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

REVERSE BOOST VALVE KIT

Part Number: SOX-K77898

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Servo Kits, Reverse Servo Spacer, Steel, Natural Finish, with Spring, Washers, E-Clip, GM, 4L80-E, 4L85-E, Kit

Part Number: SOX-34528-01K

Not Yet Reviewed

Estimated Ship Date: Today

REG SHUTTLE VALVE KIT

Part Number: SOX-154740-02K

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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Small Parts Kit, TH400, Seals, Retainers, Bushing, Plates, Spring, Kit

Part Number: SOX-28755-SPK

Not Yet Reviewed

Estimated Ship Date: Today

Transmission Cooler Bypass Delete Kit, Cooler Bypass Valve Kit, Steel, Black, includes T-Valve, Spring, Checkball, O-rings, Ford, 4R100, E4OD, Kit

Part Number: SOX-36605-02K

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

D Clutch Backing Plate HD

Part Number: SOX-35570-75

Not Yet Reviewed

Estimated Ship Date: Today

STATOR SUPPORT SHAFT KIT

Part Number: SOX-77918S-K

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, Heavy-Duty Planetary, 1.80/1.69:1 Ratios, Pins, Rollers, Washers, Retainer Plate, Screws, Powerglide, Kit

Part Number: SOX-28922-01K

Not Yet Reviewed

Estimated Ship Date: Today

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PLANET REBUILD KIT HD

Part Number: SOX-28922-01HDK

Not Yet Reviewed

Estimated Ship Date: Today

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REAR SUN GEAR

Part Number: SOX-18032-RSK

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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BIG INPUT SHAFT KIT

Part Number: SOX-353532-01K

Not Yet Reviewed

Estimated Ship Date: Today

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Clutch Drum, Smart-Tech, Direct, Steel, Ford, 4R70E, 4R70W, 4R75E, 4R75W, AOD, AOD-E, Kit

Part Number: SOX-76656-02K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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• Special Order

EXTREME STRENGTH OUTPUT SHAFT

Part Number: SOX-28922-32L

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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• Free Shipping
• Special Order