Delphi SS21451 ABS Wheel Speed Sensor - Rear Right

Delphi Rear Right ABS Wheel Speed Sensor

Delphi SS21451 is a rear right ABS wheel speed sensor for select Ford F-150 models. It is built as a standard replacement sensor with an OE-calibrated design to support accurate wheel speed signal output for the anti-lock brake system.

Compatible with 2018-2020 Ford F-150 rear right applications, this Delphi ABS sensor is a direct-fit service part for the rear passenger-side wheel position. The included wiring harness and 2-terminal blade connection help match the original sensor layout on the vehicle.

Key Features

• Part number: SS21451
• ABS wheel speed sensor for the rear right position
• Standard replacement grade
• Includes wiring harness
• 1 rectangular female connector with 2 male blade terminals
• Wiring harness length: 1870
• Package contents: ABS wheel speed sensor and instruction sheet
• Compatible with 2018-2020 Ford F-150 rear right fitment

Detailed Description

Delphi SS21451 is engineered for vehicles that rely on precise wheel speed input to monitor braking performance. Delphi validates its sensors to OE standards and calibrates them for accurate readings, helping maintain consistent ABS system operation. For Ford F-150 rear right service, SS21451 provides the correct connector style, terminal count, and harness configuration for a straightforward replacement.

This part cross-references Standard Ignition ALS3138 for the same application. If you are sourcing a rear right ABS wheel speed sensor for a 2018-2020 Ford F-150, SS21451 is the Delphi part number to verify against your original sensor.

What It Helps Address

• ABS warning light caused by a failed rear wheel speed sensor
• Erratic or missing wheel speed signal at the rear right wheel
• Brake system fault codes related to wheel speed input
• Loss of anti-lock brake function from sensor signal interruption
• Replacement needs after wiring or connector damage at the sensor

Installation Notes and Tips

Confirm rear right placement before installation and compare the connector, terminal count, and harness length to the original part. On 2018-2020 Ford F-150 models, SS21451 installs at the rear right wheel position and includes the sensor with an instruction sheet. Inspect the mounting area, routing path, and connector condition before final assembly.

Quality Assurance

Delphi backs this sensor with OE development and product validation methods, and the unit is tested and calibrated to OE standards for accurate signal output. That level of validation supports dependable replacement performance on Ford F-150 rear right ABS service.