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.

3T40 (125C)

Remanufactured Valve Body
Part No. GM004

without 3-Prong 2nd Switch

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

Valve body to case bolts torque spec: 216 in-lbs

Valve body to driven sprocket support torque spec: 216 in-lbs

Valve body to case cover torque spec: 96 in-lbs

  • 3T40 (125C) Remanufactured Valve Body GM004
  • 3T40 (125C) Remanufactured Valve Body GM004 details