Sonnax Transmission Company Transmissions

Case Saver, GM TH400, Early 4L80E, Each

Part Number: SOX-34762-10

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

Automatic Transmission Component, Low/Reverse Band Servo Pin, Kit

Part Number: SOX-34912-01K

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

Automatic Transmission Rebuild Components, Pressure Regulator Valve Kit, 6L45/6L50/6L80/6L90, Kit

Part Number: SOX-104520-14K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

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

Part Number: SOX-34875RK

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

Thrust Bearing, Automatic Transmission Rebuild Component, Powerglide, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: SOX-38208-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

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 12/8/2025

• $10 Summit Bucks

MANUAL SHAFT KIT

Part Number: SOX-38511-04K

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

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

Part Number: SOX-SBKG9

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

Modulator Plunger Valve, Valve Body Replacement Component, 700R4, Kit

Part Number: SOX-77966-94K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

Manual Shift, Metric Flange Nuts, GM, 4L80E, without External NSS, Each

Part Number: SOX-38511-01K

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

Accumulator Spring, Heavy-Duty 1-2 Accumulator Springs, Ford, 4R70E, 4R70W, 4R75E, 4R75W, Kit

Part Number: SOX-76948-10K

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

Modulator Plunger Valve, Valve Body Replacement Component, 4R100, E4OD, Kit

Part Number: SOX-96948-05K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

CHECK BALL CAPSULE

Part Number: SOX-5751001

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

RUBBER CLUTCH SEPARATOR

Part Number: SOX-ORCS-070-380

Not Yet Reviewed

Estimated Ship Date: Monday 12/8/2025

• $10 Summit Bucks

DRUM FLANGE

Part Number: SOX-28712-12

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

• Drop Ship
• $10 Summit Bucks
• Special Order