Hella Wheel Speed Sensor - 6PU 012 039-631

The Hella Wheel Speed Sensor (Part Number 6PU 012 039-631) is engineered for the front axle positi...

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eBayHELLA 6PU 012 039-631 Sensor, wheel speed - 12V - 2-pin connector - Front Axle
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Product Information

Full details

The Hella Wheel Speed Sensor (6PU 012 039-631) is an essential component for owners of Fiat 500, Abarth 500/595/695, and Ford KA vehicles who need to restore or maintain precise braking and stability control functionality. Designed for the front axle, this sensor delivers accurate wheel speed data to the vehicle's electronic systems, ensuring safety and optimal handling performance; however, users must carefully verify specific vehicle fitment and cable routing requirements before installation due to model-specific variations.

All features

Model Part Number6PU 012 039-631
BrandHella

Extended Product Information

FAQs

Is this sensor for the front or rear axle?

This specific sensor (6PU 012 039-631) is engineered for the front axle position.

Does this sensor come with a mounting bolt?

It is recommended to reuse the existing mounting hardware, but check your service manual to see if replacement is necessary for your specific model.

How long is the sensor cable?

This sensor features a cable length of 1,080 mm.

Will I need to reset my car's computer?

While the system may reset automatically after driving a short distance, it is common to need an OBD-II diagnostic tool to clear persistent dashboard warning lights.

Can I replace this sensor myself?

If you have basic mechanical knowledge and proper safety equipment like jack stands, it is a manageable DIY task, but professional installation is recommended if you are unfamiliar with brake system components.

Troubleshooting

ABS warning light remains on after installation

Ensure the sensor is fully seated in the mounting hole and the connector is clicked firmly into place; you may need to clear the error code using an OBD-II scanner.

Sensor signal is intermittent

Check the cable for signs of rubbing or damage against the wheel well and ensure the connector pins are not corroded.

Pros and Cons

Pros

  • Meets or exceeds OE manufacturing standards
  • Ensures proper function of ABS and traction control systems
  • Tailored cable length for easier installation on the front axle
  • Reliable signal output for improved vehicle safety

Cons

  • Requires precise fitment verification as variations exist between sub-models
  • Installation requires wheel-side component removal
  • Cable length may vary slightly depending on specific chassis configurations

Setup, Compatibility & Care

Compatibility

This sensor is specifically engineered for front axle positions. Compatible models include:

  • Fiat 500 (all variants)
  • Abarth 500/595/695
  • Ford KA

Always cross-reference your vehicle's VIN or original part number with 6PU 012 039-631 to ensure compatibility, as different engine or trim configurations may require different sensor designs.

Setup Instructions

  1. Safely lift the vehicle and remove the front wheel corresponding to the side needing the replacement.
  2. Locate the existing sensor on the wheel hub assembly.
  3. Disconnect the 2-pin electrical harness.
  4. Unscrew the mounting bolt and carefully remove the old sensor.
  5. Clean the mounting surface of any debris or oxidation.
  6. Insert the new Hella sensor and secure it with the mounting bolt, ensuring the cable is routed away from moving parts.

Care

Keep the sensor area clean during brake service and avoid using high-pressure sprayers directly on the sensor connector, which could force moisture into the electrical pins.

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