Sonnax Transmission Company Parts and Accessories

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 2/23/2026 if shipped by air

Thrust Bearing, Replacement, Chevy, Powerglide, Each

Part Number: SOX-28321

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Lube Regulated Pressure Regulator Valve, Oversized, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-77917-07

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Plug Kit, 3-4 Shift, Kit

Part Number: SOX-7796408K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Automatic Transmission Shift Lever, Steel, Zinc Plated, Chevy, THM400, Each

Part Number: SOX-38512-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

VALVE KIT

Part Number: SOX-104740-09K

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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: Monday 2/23/2026 if shipped by air

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

Part Number: SOX-35988-01K

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

TCC Regulator and Isolator Valve Kits, 4L80E, 4L85E, Kit

Part Number: SOX-34994-01K

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Shift Shaft, 4L80E, Each

Part Number: SOX-38511-03K

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Automatic Transmission Carrier Thrust Washers, Forward Clutch Hub, Rear, 0.030 in. Oversized, Steel, 0.094 in. Thick, 4L80-E, 4L85-E, THM400, Set of 5

Part Number: SOX-34301-094

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Steel Plates Powerglide .060 Thickness, 24 External Teeth, Each

Part Number: SOX-S019715HK150

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Automatic Transmission Rebuild Components, Actuator Limit Valve Repair Kit, GM, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77754-09K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Automatic Transmission Rebuild Components, Pressure Regulator Valve, Lube Regulated, Mopar, 32RH, 42RE, 42RH, 44RE, 44RH, 46RE, 46RH, 47RH, 48RE, Each

Part Number: SOX-22771A-02K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Pressure Regulator Valve, PTFE O-Ring, TH400, TH425, Each

Part Number: SOX-34910-03K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

PRESSURE PLATE-REVERSE GEAR

Part Number: SOX-28131

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Automatic Transmission Accumulator Pistons, Replacement Servos, Billet Aluminum, Replacement Piston for Sonnax Servo Piston Kits, Chevy, Powerglide

Part Number: SOX-28821-02

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Automatic Transmission Bearing and Races, Bearing Kit, Steel, GM, THM350, THM350C, Kit

Part Number: SOX-SBKG9

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Automatic Transmission Rebuild Components, Clutch Separator, 4L80-E, THM400, Set of 60

Part Number: SOX-ORCS-103-380

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Boring Tools, Bore Sizing Tool, Smooths and Deburrs Accumulator Control Valve Bores, 4R100, E4OD, Each

Part Number: SOX-36948-12

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

BEARING KIT

Part Number: SOX-SBK-G20

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air