Sonnax Transmission Parts

Clutch Hub, Full, Forged, Extreme Duty, GM, 4L80E, 4L85E, TH400, TH425, Kit

Part Number: SOX-34322-02K

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Yoke, 4L80E, TH400, Chromoly, 32-Spline, 1350 U-Joint, 6.370 in. Long, Each

Part Number: SOX-T3-3-2431HP

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Automatic Transmission Gears, Input Carrier Kits, Front Carrier, Steel, 2.84:1 First Gear Ratio, 1.55:1 Second Gear, 1.00:1 Third Gear, GM, Kit

Part Number: SOX-77284-K

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Sun Shell, SmartShell, Heavy Duty Reaction, 4L60, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-77749-02K

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Reaction Shaft, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-74602-01K

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Automatic Transmission Drum, Smart-Tech Drum Module, Aluminum, Chevy, TH400, Kit

Part Number: SOX-34555-01K

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Servo, Super-Hold, 2nd Gear, Billet Aluminum, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77911-03K

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Yoke, Slip, 32 Spline, Chromoly, Spicer 1350, 6.37 in. Length, Borg Warner/GM/Muncie/Saginaw, Each

Part Number: SOX-T332431CBHP

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Yoke, Forged Chromoly, 1350, TH400, 32-Spline, 5.380 in. Barrel Length, Each

Part Number: SOX-T3-3-5571HP

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Servo, Super-Hold, 4th Gear, Billet Aluminum, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77767K

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Case Bushing, Thrust Bearing, Two 0.010 in. Shims, Two 0.015 in. Shims, GM, 4L80E, 4L85E, TH400, Kit

Part Number: SOX-34006-SPB

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Yoke, TH400 Transmission, Chromoly, 32-Spline, Spicer 1350 Joint Style, 8.810 in. Overall Length, Each

Part Number: SOX-T3-3-5551HP

4.33 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Heavy Duty Intermediate Overrun Clutch Outer Race, GM TH350/350C, Each

Part Number: SOX-35723HD-02

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Governor, Blue Gear, GM, 4L60, Gasoline Engines, Each

Part Number: SOX-730

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Clutch Backing Plate, 4L60, 700R4, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-74140-01K

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Yoke, Forged Chromoly, 1350, 32 spline, TH400, 4L80E, Richmond Super T10, Each

Part Number: SOX-T3-3-2431CBH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Automatic Transmission Clutch Hub, Heavy-Duty, Overrun Position, Forged 4140 Steel, GM, 4L60, 4L60E, 4L65E, 4L70E, Each

Part Number: SOX-74574HD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

4L80E INTERMEDIATE / MAIN SHAFT / 300M

Part Number: SOX-34672-01

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Yoke, 4L60, 700R4, Chromoly, 27-Spline, Spicer 1350 Joint Style, 6.94 in. Length, Each

Part Number: SOX-T3-3-4281HP

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Governor, TH350, TH350C, Each

Part Number: SOX-350

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

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• $10.00 Summit Bucks

Case Saver, GM TH400, Early 4L80E, Each

Part Number: SOX-34762-10

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Band, Kevlar®, GM, 4L60, 4L60E, 4L65E, 4L70E, 700R4, Each

Part Number: SOX-77700-01K

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

• $10.00 Summit Bucks

Automatic Transmission Rebuild Components, Governor, GM, TH400, White Gear, Each

Part Number: SOX-400

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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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: Monday 11/10/2025

• $10.00 Summit Bucks

INPUT SHAFT

Part Number: SOX-30280-02

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• Free Shipping
• $10.00 Summit Bucks