604, 606, 42RLE, 62TE, 45, 545 & 68 RFE’s equipped with a .420 diameter switch valve. Solenoid Switch Valve Repair Kit "Parts Refill for (1) unit only no tools" This product fits 604, 606, 42RLE, 62TE, 45, 545 & 68 RFE’s equipped with a .420 diameter switch valve. Addresses Multiple codes on various models such as Solenoid switch valve latched in L/R, Solenoid switch valve latched in TCC, L/R pressure switch rational or circuit error, OD clutch failure, Kills engine at a stop, TCC Slip and/or TCC control stuck off or on. If you need tools order "RFE-SV420-WT" Installation recommendation: Experienced technician Transmission removal necessary: No