Sonnax rebuilt valve body GM086 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.


Remanufactured Valve Body
Part No. GM086

'00-'03, Lower

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Save your existing manual valve for reuse with our remanufactured valve body.

Valve Body to Case Torque Specs: 72-120 in-lbs

  • 4T80-E Remanufactured Valve Body GM086
  • 4T80-E Remanufactured Valve Body GM086 details

GM 4T80-E Valve Body Identification

Part Number Chart

Part NumberDescription
[GM080] (Warranty Only)Upper Valve Body, '93-'03
GM081 (Warranty Only)Upper Valve Body, '04-Later
GM084 (Warranty Only)Lower Valve Body, '93-'99 except those Stamped 1193
[GM085] (Warranty Only)Lower Valve Body, '94 Stamped 1193
GM086 (Warranty Only)Lower Valve Body, '00-'03 with Internal Mode Design PSI Manifold
GM087 (Warranty Only)Lower Valve Body, '03-Later Stamped 5286

Lower Valve Body Identification

The location of the stamp code is indicated by the red arrow.

Upper Valve Body Solenoid Identification

Solenoids are different depending on the year: