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Remanufactured Valve Bodies

Save Time & Money with a Premium Rebuilt Valve Body

Every valve body is completely disassembled, cleaned, updated, solenoids tested and replaced as needed. Each remanufactured unit is then hydraulically and electronically tested so it’s ready to install!

Sonnax remanufactured valve bodies are backed by a Limited Lifetime Warranty.

Call (856) 848-0908 for remanufactured valve body product support.

To begin an online core return, please visit this page.

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Remanufactured Valve Body Catalog

Request Catalog Read Online

Outsmart 4L80 Overdrive Roller Clutch Failure

Gm033

The next time you have a 4L80/85-E in the shop, improve transmission performance and protect your warranty with Sonnax.

Featuring the Smart-Tech® overrun clutch valve kit pre-installed for unrivaled durability, these premium-quality remanufactured valve bodies will help keep your customers’ trucks working hard all year long.

  • Improves OD roller clutch holding power in lower gears
  • Extends the life of workhorse transmissions while preventing warranty claims and comebacks
  • Includes essential updates to correct shift problems and prevent future wear
  • State-of-the-art testing verifies AFL, clutch, and torque converter pressures match requirements for optimum functionality
  • Quick and easy to install
  • Smart-Tech overrun clutch valve kit (Part No. 34200-40K) also available separately

All Valve Bodies

A select number of Sonnax remanufactured valve bodies are available to distributors through the R&R (return & rebuild) service only.

Warranty only valve bodies are no longer in production. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm048

4L60-E
Remanufactured Valve Body GM048

’96–’01

Gm003

3T40 (125C)
Remanufactured Valve Body GM003

With 3-Prong 2nd Switch

Gm004

3T40 (125C)
Remanufactured Valve Body GM004

without 3-Prong 2nd Switch

Sonnax rebuilt valve body GM004 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm025

400
Remanufactured Valve Body GM025

With Reverse Checkball

Sonnax rebuilt valve body GM025 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm031

4T60-E
Remanufactured Valve Body GM031

'91-'92

Sonnax rebuilt valve body GM031 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm035

4T65-E
Remanufactured Valve Body GM035

’97–’02

Gm039

4T65-E
Remanufactured Valve Body GM039

Volvo, '99-'02

Sonnax rebuilt valve body GM039 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm040

4T65-E
Remanufactured Valve Body GM040

Volvo, '03-Later

Sonnax rebuilt valve body GM040 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm071

5L40-E
Remanufactured Valve Body GM071

Range Rover, Diesel

Sonnax rebuilt valve body GM071 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm070

5L40-E
Remanufactured Valve Body GM070

’02-Later, Gas

Gm084

4T80-E
Remanufactured Valve Body GM084

93-'99, Lower, without Stamp Code 1193

Sonnax rebuilt valve body GM084 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Bmw010

5L40-E
Remanufactured Valve Body BMW010

BMW, Diesel

Sonnax rebuilt valve body BMW010 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm026

4L80-E
Remanufactured Valve Body GM026

'91-'92, with Screw in Temp Sensor

Sonnax rebuilt valve body GM026 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.

Gm030 gm033

4L80-E, 4L85-E
Remanufactured Valve Body GM030

Fits '04-later units. Smart-Tech® overrun clutch valve kit installed.