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Many parking sensors look the same from the front but use different rear connectors/part numbers - remove your old sensor and confirm 51755060 / 735393479 / 735429755 / 46802909 plus connector + front/rear position before ordering Direct OEM-Style Replacement – Built to OEM size and fitment standards for a clean, factory-style install in the bumper mount. Replaces OE Numbers – Compatible replacement for 51755060, also replaces 735393479, 735429755 and 46802909. Wide Vehicle Compatibility – Suitable for multiple Fiat and Alfa Romeo models using these part numbers (see fitment list below). Ultrasonic Detection – Designed for vehicles with factory parking assist / PDC systems to detect obstacles at low speed. Front or Rear Use (Vehicle-Dependent) – Some vehicles use different sensors by position; match your original OE number before ordering. 12V Vehicle Systems – Compatible with standard 12V vehicle electrical systems used across most Fiat/Alfa applications. Colour Note – Supplied as shown; if your original sensors are body-colour, painting may be required to match. Installation Guidance – Fits into the bumper sensor holder; bumper trim removal may be required depending on access. What’s Included – 1 × LMAutoParts PDC Parking Sensor (single unit).