When shifts turn harsh, late, or erratic and a failed solenoid is the cause, the Pioneer Automotive Industries Transmission Control Solenoid 771110 is designed to take its place. It is listed for the 2003-2005 Ford Excursion, 2003-2010 Ford F-250 Super Duty, 2003-2010 Ford F-350 Super Duty, 2004-2005 Ford E-350 Club Wagon, 2004-2011 Ford E-350 Super Duty, 2006-2007 Ford E-450 Super Duty, 2006-2007 Ford F-450 Super Duty, 2006-2007 Ford F-550 Super Duty, and 2007 Ford E-150. See the Buyer’s Guide tab for engine-specific applications.
- Exact fit: Pioneer builds its transmission components as exact-fit replacement parts, with no compromise in fit.
- What it does: An automatic transmission control solenoid is an electrically actuated valve. It directs transmission fluid on command from the vehicle’s control system and helps manage when and how the transmission shifts.
- Signs it may need replacing: Harsh or delayed shifts, erratic shifting, a transmission that holds a single gear, or a check engine light with transmission-related codes.
- Diagnose first: Low or degraded fluid, wiring faults, and internal wear can cause the same symptoms. Confirm the cause before you replace the solenoid.
Interchange: TCS17 · 3C3Z7J136BA · 9L2Z7G391A · 520439
