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Sonnax Transmission Parts

Since 1978, Sonnax Transmission Company has specialized in the cutting-edge design of top-quality performance and OEM replacement transmission parts. Summit Racing carries...

Since 1978, Sonnax Transmission Company has specialized in the cutting-edge design of top-quality performance and OEM replacement transmission parts. Summit Racing carries a large selection of Sonnax transmission and drivetrain parts, including slip yokes, throttle cable brackets, input drum reinforcement kits, hydraulic line pressure booster kits, and more. Order your Sonnax transmission parts from Summit Racing today!

Showing In Stock Items. Show All 33 Items.

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Results 1 - 22 of 22

Sonnax Pressure Switch Rebuild Kits 124740-70K

Automatic Transmission Rebuild Components, Pressure Switch Rebuild Kit, GM, 6L45, 6L50, 6L80, 6L90, 6T70, 6T75, Kit

Part Number: SOX-124740-70K

Not Yet Reviewed

Estimated Ship Date: Today

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Sonnax Pressure Switch Rebuild Installation Tool Kits 124740-TL70

Automatic Transmission Rebuild Components, Pressure Switch Rebuild Install Tool Kit, 6L45, 6L50, 6L80, 6L90, 6T70, 6T75, Kit

Part Number: SOX-124740-TL70

Not Yet Reviewed

Estimated Ship Date: Today

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Sonnax Solenoid Switch Valve and Plug Kits 92835-31K

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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Sonnax Solenoid Switch Valve and Plug Kits 92835-39K

Automatic Transmission Rebuild Components, VALVE PLUGS, SOL SWITCH .453", VARIOUS CHRYSLER APPLICATIONS

Part Number: SOX-92835-39K

Not Yet Reviewed

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Sonnax Transmission Company Automatic Transmission Rebuild Components 44912-08K

Automatic Transmission Rebuild Components, VALVE KIT, TCC SWITCH O/S, 45RFE/545RFE/65RFE/66RFE/68RFE

Part Number: SOX-44912-08K

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Sonnax Zip Kits 6L45-6L90-ZIP

Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Sonnax Heavy-Duty Remanufactured Valve Bodies GM054-HD

Automatic Transmission Valve Body, Heavy-Duty Remanufactured, Automatic Style, Cast Aluminum, Forward Shift Pattern, 4L60-E/4L65-E, Chevrolet, Kit

Part Number: SOX-GM054-HD

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Sonnax Zip Kits 8L45-8L90-TCC-ZIP

Automatic Transmission Shift Kits, TCC Zip Kit, with O-Ring End Plugs, Converter Limit Valve, Regulator/Shuttle, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90TCCZ

Not Yet Reviewed

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Sonnax Zip Kits 8L45-8L90-SHIFT-ZIP

Automatic Transmission Shift Kits, Shift Zip Kit, with Clutch Valves, Accumulator Pistons, Spring, Sleeves, Cadillac, Chevy, GMC, 8L45, 8L90, Kit

Part Number: SOX-8L458L90SHIF

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sonnax Heavy-Duty Remanufactured Valve Bodies GM053-HD

HD REMAN VALVE BODY

Part Number: SOX-GM053-HD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sonnax Zip Kits A750E-A761E-ZIP

Automatic Transmission Shift Kits, Zip Kit, with End Plugs, O-Rings, Solenoid Modulator, Boost/Accumulator/Lockup Control Valves, Lexus, Toyota, Kit

Part Number: SOX-S0001

Not Yet Reviewed

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Sonnax Zip Kits ZF8-ZIP

ZIP KIT

Part Number: SOX-ZF8-ZIP

Not Yet Reviewed

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Sonnax Zip Kits ZF6-6R60-ZIP

Shift Kit, Zip Kit, BMW, Ford, Infiniti, Lexus, Volkswagen, Volvo, Kit

Part Number: SOX-ZF6-6R60-ZIP

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Sonnax Zip Kits E4OD-4R100-ZIP

Automatic Transmission Shift Kits, Shift Improver, E4OD, 4R100, Sold as a Kit

Part Number: SOX-E4OD4R100ZIP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sonnax Zip Kits AODE-4R75E-ZIP

ZIPPER KIT

Part Number: SOX-AODE4R75EZIP

Not Yet Reviewed

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Sonnax Zip Kits 46-47RHE-ZIP

SURE CURE KIT

Part Number: SOX-46-47RHE-ZIP

Not Yet Reviewed

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Sonnax Zip Kits 6R80L-6R100-ZIP

Shift Kit, Zip Kit, 6R80, 6R100, Kit

Part Number: SOX-6R80L6R100ZI

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sonnax Zip Kits ZF6-053-ZIP

Shift Kit, Zip Kit, ZF6HP-19. ZF6HP-26, ZF6HP-32, Kit

Part Number: SOX-ZF6-053-ZIP

Not Yet Reviewed

Estimated Ship Date: Today

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Sonnax Shift Cable Mounting Brackets 34913-01

Automatic Transmission Bracket and Lever, Shift Cable Mounting Bracket, Steel, Black, 4L60-E/4L80-E, Chevrolet, GMC, Each

Part Number: SOX-34913-01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sonnax NSS Adapter Kits 22179-06K

Automatic Transmission Rebuild Components, NSS Adapter, Mopar, 42RE, 44RE, 46RE, 47RE, Kit

Part Number: SOX-22179-06K

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Sonnax Manual Shift Shafts 38511-04K

MANUAL SHAFT KIT

Part Number: SOX-38511-04K

Not Yet Reviewed

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Sonnax Manual Shift Shafts 38511-03K

Shift Shaft, 4L80E, Each

Part Number: SOX-38511-03K

Not Yet Reviewed

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