Delphi SS20844 ABS Wheel Speed Sensor - Rear Left

Delphi Rear Left ABS Wheel Speed Sensor

The Delphi SS20844 ABS wheel speed sensor is a rear left replacement for select Lexus and Toyota applications. It is built for accurate wheel speed signal output, helping the ABS system monitor wheel rotation with OE-level calibration.

• Rear left ABS wheel speed sensor
• 2-terminal blade connector with 1 female rectangle connector
• Length: 38.19
• Package contents: ABS wheel speed sensor and instruction sheet
• OE-calibrated sensor testing for accurate readings

Vehicle Fitment

• Fits 2018-2021 Lexus NX300, rear left.
• Fits 2015-2021 Lexus NX300h, rear left.
• Fits 2014-2018 Toyota RAV4, rear left.
• Fits 2015-2017 Lexus NX200t, rear left.

Use this Delphi ABS wheel speed sensor when replacing a failed rear left sensor on a Lexus NX300, Lexus NX300h, Lexus NX200t, or Toyota RAV4. Part number SS20844 is also referenced for the same application under Standard Ignition ALS2578.

What It Helps Address

• ABS warning light caused by a faulty rear wheel speed signal
• Intermittent traction control or stability control faults
• Erratic or missing wheel speed data at the rear left wheel
• Diagnostic trouble codes related to wheel speed sensor performance
• Brake system communication issues tied to sensor output

Installation Notes

Confirm rear left placement before installation and compare the connector style, terminal count, and sensor length to the original part. The sensor uses a single female rectangle connector with two blade terminals and does not include a wiring harness. Verify routing and mounting points during replacement to avoid strain on the lead and to maintain a secure signal connection.

Quality Assurance

Delphi validates its sensors to OE standards and calibrates them for accurate readings. The SS20844 is part of Delphi’s sensor portfolio for brake and engine management applications, with testing methods focused on consistent signal output and reduced comebacks.