Ts robothead 18in high trans rgb

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.

Rvb catalog open

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.

Mit226

KM 4-Speeds
Remanufactured Valve Body MIT226

14 Ohm Lockup Solenoid

Sonnax rebuilt valve body MIT226 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.

Gm003

3T40 (125C)
Remanufactured Valve Body GM003

With 3-Prong 2nd Switch

Chr124

46RH, 47RH
Remanufactured Valve Body CHR124

’90-Later, 1 Solenoid

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.

Chr190

A404, A413
Remanufactured Valve Body CHR190

Non-Lockup

Sonnax rebuilt valve body CHR190 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.

Chr131

46RE, 47RE
Remanufactured Valve Body CHR131

’00-Later, with Small Pump Inlet, Late Sensor

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.

Chr110

42RE, 44RE
Remanufactured Valve Body CHR110

’99-Earlier, Small Pump Inlet, Early Sensor