37000-02 – ALLISON 1000 2000 2400, E-SHIFT VALVE SPRING, 2000-2009, SONNAX
SONNAX PRODUCTS – 37000-02, ALLISON 1000 2000 2400, E-SHIFT VALVE SPRING, REQUIRES: 37000-02BST, 121741S3, SONNAX, 2000-2009. SONNAX NUMBER: 37000-02. Valve Bodies are sold as remanufactured. All parts that are worn are replaced with either OEM parts or Sonnax rebuild parts.
Sonnax E-Shift Valve Spring GM Allison 1000 2000 2400 37000-02
Sonnax E-Shift Valve Spring. Fits 2001-up Allison 1000/2000/2400.
, for Allison 1000 2000 Valve Body E-Shift Valve Spring 37000-02 2400 by Sonnax
Listed Allison units commonly exhibit 3rd gear starts and trouble codes related to a sticking E-shift valve. Crack down on sticking valve action by reconditioning the bore and installing stronger Sonnax E-shift valve spring 37000-02.