Delphi SS21639 ABS Wheel Speed Sensor - Rear Left

Rear Left ABS Sensor for Jeep Wrangler

Delphi SS21639 is a rear left ABS wheel speed sensor for 1997-2006 Jeep Wrangler models. It is built for accurate wheel speed signal output to support ABS system performance on the rear left position.

Key Features

• ABS wheel speed sensor for the rear left position
• Fits 1997-2006 Jeep Wrangler, rear left
• 1760 wiring harness length for vehicle-specific routing
• Black oval connector with 1 connector, 2 terminals, male connector and terminal ends
• Package contents include the ABS wheel speed sensor and instruction sheet
• OE-standard testing and calibration for accurate readings

Detailed Description

Delphi SS21639 is an ABS wheel speed sensor engineered for Jeep Wrangler rear left applications across the 1997-2006 model years. Delphi validates its sensors to OE standards and calibrates them for accurate signal output, helping maintain consistent ABS system input. This part cross-references Standard Ignition ALS57 for the same application.

For Jeep Wrangler owners searching for a rear left ABS wheel speed sensor, SS21639 provides the correct connector style, terminal layout, and harness length for the listed fitment. The sensor is intended for direct replacement use on the rear left wheel position.

What It Helps Address

• ABS warning light caused by a failed rear wheel speed sensor
• Erratic or missing wheel speed signal at the rear left wheel
• ABS system faults related to sensor signal loss
• Brake control issues tied to inaccurate wheel speed input
• Drivability concerns linked to a damaged sensor connector or harness

Installation Notes and Tips

Verify rear left fitment before ordering by matching the vehicle year, Jeep Wrangler model, and connector style. Inspect the mounting point, wiring path, and connector condition before installation. Compare the old sensor to Delphi SS21639 to confirm harness length, connector shape, and terminal configuration. This part number is SS21639.

Quality Assurance

Delphi backs this sensor with OE development and product validation methods, and each sensor is tested and calibrated to OE standards for accurate readings. That focus on signal accuracy helps reduce repeat repairs and supports dependable ABS performance on the specified Jeep Wrangler applications.