Superior 48RE Shift Correction Kit With Throttle Valve Actuator * Code 740 * Inadequate Line Pressure * Premature Clutch Failure * No-Stick Throttle Valve * Rapid Fill Manual Valve * Boost Valve Plate & Clip * Slow Engagements * Premature Band Failure use on all 2005-up 48REs in diesel applications that have the throttle-valve actuator Superior offers item #K500-618-L for 2003-2004 gas or diesel applications without the throttle-valve actuator.