Sonnax Transmission Parts

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: Today

• $10.00 Summit Bucks

Servo Apply Lever, Automatic Transmission Rebuild Component, C-6, Each

Part Number: SOX-36916E

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Automatic Transmission Rebuild Kits, Sure Cure Kit, with O-Ring Plug Ends, Boost Valve, Bushings, Springs, Cadillac, Chevy, GMC, 4L80-E, 4L85-E, Kit

Part Number: SOX-SC4L80E

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

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

Part Number: SOX-28755-SPK

Not Yet Reviewed

Estimated Ship Date: Today

• $10.00 Summit Bucks

REAMER TOOL KIT

Part Number: SOX-F-77964-TL14

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• Drop Ship
• Free Shipping
• $10.00 Summit Bucks
• Special Order

Torx Plus Bit, 4L60-E, 4L65-E, 4L70-E, Bellhousing Bolt Socket, Steel, Each

Part Number: SOX-77000-HBK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

4L80E INTERMEDIATE / MAIN SHAFT / Aermet

Part Number: SOX-34672-05

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

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: Today

• $10.00 Summit Bucks

Automatic Transmission Carrier Thrust Washers, 2.749 in. O.D., 0.106 in. Thickness, 2.082 in. I.D., Ford, GM, Each

Part Number: SOX-56241

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Automatic Transmission Valve Bodies, Remanufactured, Valve Body, Cast Aluminum, Standard Shift Pattern, Chevy, GMC, 6T70, 6T75, 6T80, Each

Part Number: SOX-GM6T70-2

5.0 out of 5 stars ( 2 )

• Core Charge $100.00
• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Accumulator Pistons, Pinless, Aluminum, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: SOX-77987-01K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

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: Today

• $10.00 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: Today

• $10.00 Summit Bucks

BEARING KIT

Part Number: SOX-SBK-G20

Not Yet Reviewed

Estimated Ship Date: Today

• $10.00 Summit Bucks

Reverse Clutch Pack Retaining Ring, Automatic Transmission Rebuild Component, Powerglide, Each

Part Number: SOX-28124

Not Yet Reviewed

Estimated Ship Date: Today

• $10.00 Summit Bucks

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

• $10.00 Summit Bucks

TCC APPLY VALVE KIT

Part Number: SOX-77805E-K

Not Yet Reviewed

Estimated Ship Date: Today

• $10.00 Summit Bucks

TH400 FORWARD DRUM

Part Number: SOX-34554-01

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

SHIFT SHAFT SAVER KIT

Part Number: SOX-262991-04K

Not Yet Reviewed

Estimated Ship Date: Today

• $10.00 Summit Bucks

Spring, 1-2 Accumulator, Purple, 5/Set

Part Number: SOX-74926

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

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

Part Number: SOX-92835-31K

Not Yet Reviewed

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• $10.00 Summit Bucks

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

• Free Shipping
• $10.00 Summit Bucks

D Clutch Hub

Part Number: SOX-35570-70K

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2025 if ordered today

• Free Shipping
• $10.00 Summit Bucks
• Special Order

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

Part Number: SOX-34910-03K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

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

Part Number: SOX-34994-01K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $10.00 Summit Bucks