Sonnax Transmission Company Transmissions

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

Part Number: SOX-10000-08

4.92 out of 5 stars ( 12 )

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

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

Part Number: SOX-34144HD-01

Not Yet Reviewed

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

• Drop Ship
• Free Shipping
• Special Order

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

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

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

Part Number: SOX-34914-01

Not Yet Reviewed

Estimated Ship Date: Today

BEARING KIT

Part Number: SOX-SBKG12

5.0 out of 5 stars ( 1 )

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

• Free Shipping

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

Servo Piston, Low Gear Type, Billet Aluminum, Servo Cover, Pipe Plug, Two Seal Rings, GM, Powerglide, Kit

Part Number: SOX-28821-05K

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: SOX-35988-01K

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

Clutch Hub, Carbon Steel, Powerglide, Each

Part Number: SOX-28304

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Automatic Transmission Rebuild Components, 3-5-R Apply Ring, GM, 6L80, Each

Part Number: SOX-104548-01

Not Yet Reviewed

Estimated Ship Date: Today

SHIFT LEVER KIT

Part Number: SOX-38512-03K

Not Yet Reviewed

Estimated Ship Date: Today

Automatic Transmission Rebuild Component, Accumulator Sleeve, TH350, TH350C, Kit

Part Number: SOX-3571901K

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

ZIPPER KIT

Part Number: SOX-AODE4R75EZIP

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

FORWARD/REVERSE ABUSE VALVE

Part Number: SOX-7775435K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today