Sonnax Transmission Company Parts and Accessories

Automatic Transmission Rebuild Components, Forward Clutch Hub Washer, Front, Steel, GM, 4L80E, 4L85E, TH400, TH425, Set of 5

Part Number: SOX-34298-078

Not Yet Reviewed

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

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

Part Number: SOX-28755-SPK

Not Yet Reviewed

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

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

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

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: Monday 2/23/2026 if shipped by air

REG SHUTTLE VALVE KIT

Part Number: SOX-154740-02K

Not Yet Reviewed

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

Servo, Master Servo, Low Gear, Billet Aluminum, GM, Powerglide, Kit

Part Number: SOX-28821-08K

Not Yet Reviewed

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

Stator Support Shaft, GM, TH400, Each

Part Number: SOX-34910S-01

Not Yet Reviewed

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

PLANETARY WASHER KIT HD

Part Number: SOX-8415BK-HD

5.0 out of 5 stars ( 1 )

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

Automatic Transmission Rebuild Components, VALVE KIT, SOLENOID SWITCH O/S, 40TES/41TES/42LE/42RLE/RFE

Part Number: SOX-92835-31K

Not Yet Reviewed

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

Bushing Installation Tool, Bushing Installation Tool, 4R100, C6, E4OD, Each

Part Number: SOX-T36008A

Not Yet Reviewed

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

Valve Body Separator Plates, Steel, Natural, Each

Part Number: SOX-95740-052

5.0 out of 5 stars ( 1 )

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

BOOST VALVE KIT

Part Number: SOX-34200-10K

Not Yet Reviewed

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

STATOR SUPPORT SHAFT KIT

Part Number: SOX-77918S-K

Not Yet Reviewed

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

Automatic Transmission Rebuild Components, Servo Apply Lever, F 2.30:1 Ratio, C6, Ford, Each

Part Number: SOX-36916F

Not Yet Reviewed

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

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: Monday 2/23/2026 if shipped by air

Flywheel/Flexplate Ring Gear, 141-Tooth, Steel, Ford 6.0L, Powerstroke Diesel, Each

Part Number: SOX-SRG-141FT

Not Yet Reviewed

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

Automatic Transmission Rebuild Components, VALVE, LUBE REG PRESS REG, 45RFE/545RFE/65RFE/66RFE/68RFE

Part Number: SOX-44912-17K

Not Yet Reviewed

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

YOKE

Part Number: SOX-T31-28-3012

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order

HI CLUTCH PISTON FORGE

Part Number: SOX-28765-05

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order

Pressure Booster, Hydraulic Line, TV Boost Valve, Ford, 4R70W, 4R75W, Kit

Part Number: SOX-4R70W-LB1

Not Yet Reviewed

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

VALVE KIT BOOST CLICKER TYPE

Part Number: SOX-36941-01K

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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• Special Order

DRUM FLANGE

Part Number: SOX-28712-24

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order

Clutch Hub, High Gear Position, Carbon Steel, without Lightening Holes, GM, Powerglide, Each

Part Number: SOX-28304-SP

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order

Bore Sizing Tool, 4R70W, AODE, 4R70E, 4R75E, 4R75W, Each

Part Number: SOX-76948-BST2

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order

Pressure Booster, Hydraulic Line, TV Boost Valve, GM, 4T65E, Kit

Part Number: SOX-4T65E-LB1

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order