Standard Ignition SC821 Vehicle Speed Sensor

Vehicle Speed Sensor for Ford and Lincoln

Standard Ignition SC821 is a new vehicle speed sensor built for transmission-mounted applications that rely on accurate speed signal input. It features a bolt-on attachment method, a plug-in female connector, and included mounting hardware for a direct replacement on select Ford and Lincoln vehicles.

Key Features

• Vehicle speed sensor for transmission-mounted applications
• Bolt-on attachment with bolt-mount installation
• Female connector with plug-in connection style
• Black and brown finish
• New replacement part from Standard Ignition
• Hardware included for installation
• Single-port, single-connector design with square terminal type

Detailed Description

Standard Ignition SC821 is a transmission speed sensor designed for vehicles that use an overdrive drum speed signal or a transmission-mounted speed input. It is listed for applications including Ford Bronco, Expedition, Explorer, F-150, Mustang, Ranger, Transit-150, Transit-250, Transit-350, Transit-350 HD, and Lincoln Navigator and Aviator. This part number, SC821, is also referenced for select Ford Mustang, F-150, and Super Duty applications where the sensor is located in the transmission.

This part cross-references Delphi SS12396 for the same application.

What It Helps Resolve

• Erratic or inaccurate vehicle speed readings
• Transmission control issues caused by missing speed signal input
• Speedometer operation problems tied to the transmission sensor
• Drivability concerns related to incorrect speed data
• Fault codes associated with vehicle speed sensor performance

Installation Notes and Tips

Install SC821 at the transmission mount using the bolt-on design and the included mounting hardware. Confirm the connector style, terminal configuration, and sensor location before installation, especially on Ford Mustang, Ford F-150, Ford Explorer, and Lincoln Navigator applications. Verify the vehicle’s original sensor placement and transmission type against the fitment listing before replacing the part.

Quality Assurance

Standard Ignition supplies this as a new replacement sensor built for direct-fit service on listed Ford and Lincoln applications. The part is engineered to match the specified connector, mounting, and terminal requirements for the covered vehicles.