Hella 230040621 ABS Wheel Speed Sensor - Rear Left

HELLA ABS Wheel Speed Sensor for Rear Axle

HELLA ABS Wheel Speed Sensor Part Number 230040621 is a standard replacement sensor for rear axle applications that require accurate wheel speed monitoring. It uses a Hall sensor design with a 2-pin female connector and included wiring harness for a direct-fit repair on select Ford, Mercury, and Mazda vehicles.

• ABS wheel speed sensor for the rear axle wheel side
• Hall sensor design with 2 terminals and 2 pins
• Connector color: green; connector shape: square
• Wiring harness included; cable length 32.68 in. (830 mm)
• Supplementary article includes holder
• Standard replacement grade for service repairs
• Part number 230040621 for catalog and cross-reference use

Vehicle Fitment

• Fits 2005-2008 Ford Escape, rear left, incl. ABS wheel speed sensor wire harness.
• Fits 2001-2003 Ford Escape, rear left, incl. ABS wheel speed sensor wire harness.
• Fits 2005-2008 Mercury Mariner, rear left, incl. ABS wheel speed sensor wire harness.
• Fits 2004 Ford Escape, rear left, to 12/22/03.
• Fits 2001-2004 Mazda Tribute, rear left, incl. ABS wheel speed sensor wire harness.

Detailed Description

This HELLA ABS wheel speed sensor monitors rear wheel movement so the ABS control system can read wheel speed accurately during braking. Part number 230040621 is built for the rear axle wheel side and uses a square, female connector with blade terminals for a secure electrical connection. The included harness measures 32.68 inches (830 mm), and the sensor is supplied with a holder for service replacement on the listed Ford Escape, Mercury Mariner, and Mazda Tribute applications. This part cross-references Standard Ignition ALS532 for the same application.

Common Repair Uses

• ABS warning light caused by a failed rear wheel speed sensor
• Intermittent traction control or stability control faults tied to rear wheel speed data
• Loss of accurate wheel speed input at the rear axle
• Brake system fault codes related to the rear left sensor circuit
• Damaged or worn sensor wiring at the rear wheel area

Installation Notes

Verify rear left fitment by year, make, model, and note details before installation. The sensor mounts at the rear axle wheel side and uses a 2-pin connection with an included harness, so routing and connector seating should match the original layout. Assy/disassy by qualified personnel required. Confirm the holder and cable path are positioned correctly to avoid contact with moving suspension components.

Quality Assurance

HELLA is known for precision-engineered automotive electrical components, and this ABS wheel speed sensor is built as a standard replacement part for consistent braking-system signal input. Part number 230040621 is specified for select rear left applications on Ford Escape, Mercury Mariner, and Mazda Tribute models.