Sonnax Transmission Company Parts and Accessories

Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping
• $10.00 Summit Bucks

Automatic Transmission Rebuild Set, with TV Cable Corrector Kit, Checkballs, etc., GM 4L60-E, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Kit

Part Number: SOX-SC-4L60E

Not Yet Reviewed

Estimated Ship Date: Today

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• $10.00 Summit Bucks

Automatic Transmission Brackets and Levers, Shifter Shaft, Includes Seal, GM, TH350/TH350C, Each

Part Number: SOX-35801-02K

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Automatic Transmission Accumulator Pistons, Pinless, Aluminum, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SOX-77998-03K

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Automatic Transmission Rebuild Kit, GM 700R4, 4L60, Kit

Part Number: SOX-SC4L60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Automatic Transmission Rebuild Components, Bearing/Race Kit, Sun/Internal, Center Support/Sun, GM, TH400/4L80-E/4L85-E, Kit

Part Number: SOX-SBK-G10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

Manual Shift, Metric Flange Nuts, TH400, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: SOX-38511-05K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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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

BEARING, PWRGLD CASE TO PLANET GM ALUMINUM POWERGLIDE

Part Number: SOX-28438-01K

Not Yet Reviewed

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• $10.00 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: Today

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Accumulator Piston, Aluminum, Forward, GM, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-74927-AP

5.0 out of 5 stars ( 2 )

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• $10.00 Summit Bucks

PLANET REBUILD KIT HD

Part Number: SOX-28922-01HDK

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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• Free Shipping
• $10.00 Summit Bucks
• Special Order

Automatic Transmission Rebuild Components, Wear Plate, Hardened Steel Replacement, Powerglide, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: SOX-28755-05

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Automatic Transmission Rebuild Components, Front Pump Stud Kits, Oil Pump Stud Type, Powerglide, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: SOX-28711-03K

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Automatic Transmission Rebuild Components, Pressure Regulator Spring, High Performance, GM, 4L60-E/4L65-E/4L70-E, Each

Part Number: SOX-77917-10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $10.00 Summit Bucks

PISTON KIT, SERVO-W/PTFE SEALS Servo Piston , Billet Aluminum, W/Seals, Powerglide

Part Number: SOX-28821-02K

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Drop Ship
• $10.00 Summit Bucks
• Special Order