Standard Ignition TCS91 Automatic Transmission Control Solenoid

Automatic Transmission Control Solenoid for Ford

Restore transmission control with the Standard Ignition TCS91 automatic transmission control solenoid. This direct-fit OE replacement is built with metal and plastic construction, a rectangular female connector, and a push-on attachment method for straightforward service on select Ford applications.

Compatible with Ford F-250 Super Duty, Ford F-350 Super Duty, Ford E-Series vans, and Ford Excursion models listed below, the TCS91 is engineered for pressure control solenoid applications where accurate transmission operation matters.

Key Features

• Direct-fit OE replacement for select automatic transmission control applications
• Rectangular 1-connector design with female connector and male blade terminals
• Push-on attachment method for service-friendly installation
• Metal and plastic construction for demanding transmission environments
• OE-style fitment for Ford F-250 Super Duty, F-350 Super Duty, E-150, E-250, E-350 Super Duty, E-150 Club Wagon, E-350 Club Wagon, and Excursion applications
• Standard Ignition TCS91 part number for accurate cross-reference and ordering

Product Details

The Standard Ignition TCS91 transmission control solenoid is built as a direct replacement for factory-style pressure control and line pressure control applications. It uses a single rectangular female connector with two male blade terminals and no wiring harness, gasket, bracket, or mounting hardware included. The design supports clean OE-style service on transmissions that require a precise solenoid match.

This part cross-references Standard Ignition TCS15 for the same application. It also cross-references 2N1251 for select applications.

Vehicle Fitment

• Fits 2005-2010 Ford F-250 Super Duty, Automatic Transmission Control Solenoid, specifically Pressure Control Solenoid
• Fits 2005-2010 Ford F-350 Super Duty, Automatic Transmission Control Solenoid, specifically Pressure Control Solenoid
• Fits 2005-2008 Ford E-150, w/ 20 Bolt Transmission Pan; Pressure Control Solenoid
• Fits 2005-2008 Ford E-250, w/ 20 Bolt Transmission Pan; Pressure Control Solenoid
• Fits 2005-2008 Ford E-350 Super Duty, w/ 20 Bolt Transmission Pan; Pressure Control Solenoid
• Fits 2005 Ford E-150 Club Wagon, w/ 20 Bolt Transmission Pan; Pressure Control Solenoid
• Fits 2005 Ford E-350 Club Wagon, w/ 20 Bolt Transmission Pan; Pressure Control Solenoid
• Fits 2005 Ford Excursion, Line Pressure Control

Common Symptoms It May Address

• Harsh or inconsistent shifting
• Transmission pressure control faults
• Delayed engagement during gear changes
• Transmission warning codes related to solenoid performance
• Poor line pressure regulation in the transmission

Installation Notes

Verify transmission pan configuration and connector style before installation. This solenoid uses a push-on attachment method and a rectangular female connector with blade terminals, so matching the OE connector layout is important for proper fitment. Confirm the vehicle application against the listed Ford F-250 Super Duty, F-350 Super Duty, E-Series, and Excursion fitments before service.

Quality Assurance

Standard Ignition states that this transmission control solenoid is manufactured with quality control maintained throughout the production process and is tested for reliability. The part is built from materials selected to withstand harsh operating conditions in transmission service.