Paquete de bloque de solenoide de cambio Mopar OEM para 45RFE 545RFE 68RFE - 2004 hasta 5 velocidades
65RFE and 66RFE and 68RFE you have 6 SPEED. 8 SPEED is another transmission. The 66RFE and 68RFE are HD tranny's, so if you have 6 SPEED it is most likely a 65RFE. 545RFE you have 5 SPEED. 45RFE you have 4 SPEED.