Sonnax 37000-12K Transmission Trim Valve & Spring Kit (Requires 37000-TL12) tools A727 A518 A618 46RH 46RE

A727 A518 A618 46RH 46RE Transmission Reverse Servo Piston Upgrade

the bore diameter in some units will be smaller and may cause potential reamer piloting issues

Other Part Number: 22954C 92887 56028196AD

Made from thick

but is not backwards compatible for TES 468™ applications (Hybrid Buses)

Sonnax 37000-12K Transmission Trim Valve & Spring Kit (Requires 37000-TL12) tools A727 A518 A618 46RH 46REBrand: Sonnax Other Part Number: S121741WK Type: Valve Body Interchange Part Number: S116741VK Items Included: Trim Valve & Spring Kit Manufacturer Part Number: 37000 12K Universal Fitment: Yes Vintage Part: No Performance Part: Yes 1000 2000 2400 Trim Valve & Spring Kit Part No. 37000 12K Fits '00 '09 units only. The F trim spring is applicable to '00 '05 valve body casting only. Tooling Required: 37000 TL12 The OE trim valve and spring configuration