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.

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.

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.

Gm171

4T65-E

Channel Plate GM174

'99-'02, Volvo and GM Tap Shift-Style, Two Blow-Off Balls, Channel Plate Casting #24213496

Sonnax rebuilt valve body GM174 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.

Gm171

4T65-E

Channel Plate GM175

'03-Later, Volvo and GM Tap Shift-Style, Two Blow-Off Balls, Channel Plate Casting #24224897 or 24229720

Sonnax rebuilt valve body GM175 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.

Gm171

4T65-E

Channel Plate GM172

Mid-'02-Later, GM-Style, Two Blow-Off Balls, Channel Plate Casting #24224086 or 24229721

Sonnax rebuilt valve body GM172 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.

4t65e 24211900 1 ball case side

4T65-E

Channel Plate GM171

'97-'02, GM-Style, One Blow-Off Ball, Channel Plate Casting #24211900

Sonnax rebuilt valve body GM171 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.

4t65e 24211900 1 ball case side

4T65-E

Channel Plate GM173

Mid-'02-Later, GM-Style, One Blow-Off Ball, Channel Plate Casting #24224896

Sonnax rebuilt valve body GM173 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.

Gm034

4T65-E
Remanufactured Valve Body GM034

with Holley EPC, 3-Piece Pump

Sonnax rebuilt valve body GM034 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.