GZGN Backup Parking Assist Sensor 4-Pack — Rear Bumper Plug-and-Play Waterproof ABS

The GZGN Backup Parking Assist Sensor is a four-piece plug-and-play rear bumper sensor kit designed to restore or replace factory parking sensors on compatible Chevy, GMC, Buick and Cadillac models.

If your vehicle’s rear parking sensors are malfunctioning, this GZGN kit delivers a direct-fit replacement that reinstates reverse-park detection without complicated wiring or modifications. Built from durable ABS with a waterproof connector, the sensors match OEM dimensions and come with a one-year warranty. Before ordering, confirm fitment by checking the listed part numbers and your vehicle year/model.

Will these sensors fit my Chevy, GMC, Buick or Cadillac?

The kit supports many popular models and model years across Chevrolet, GMC, Buick and Cadillac. Compatibility covers rear bumper park assist applications for specific years of Avalanche, Silverado, Suburban, Yukon, Lucerne, Enclave, Escalade, SRX, DTS and others. Always compare your vehicle’s original part number to the OEM numbers provided to ensure a match.

• Compatible with Silverado (2007–2014 variants), Tahoe (2006–2014) and Avalanche (2007–2013)
• Supports GMC Yukon, Sierra and Savana ranges (various 2006–2023 years)
• Fits Buick Lucerne (2006–2008) and Enclave (2008–2017)
• Includes OEM references such as 25961317, 25962147, 15239247 and others for cross-checking

How easy is installation and do I need special tools?

Installation is intended to be straightforward: the sensors are plug-and-play replacements designed to mate with factory harnesses and mounting locations. Most installs require only basic hand tools and simple removal of the old sensor from the bumper. If unsure, a professional install or body shop can complete the swap quickly.

• Plug-and-play connectors match factory wiring harnesses
• ABS housing designed for direct bumper mounting—no trimming required
• Typical install time: under one hour for experienced DIYers

What materials and durability features does the kit offer?

The sensors are constructed from impact-resistant ABS plastic to hold up against road debris and daily use. A sealed, waterproof probe interface helps prevent moisture intrusion, increasing service life in wet climates. The components are designed for long-term function while maintaining the original bumper fit and appearance.

• ABS material for toughness and lightweight fit
• Waterproof connector and sealed probe for weather resistance
• Engineered to match OEM form for correct alignment and sensing

What warranty and support does GZGN provide?

GZGN includes a one-year limited warranty covering defects in materials and workmanship. Customer support is available—contact the seller if any issue arises and expect a response within 24 hours. For best results, verify compatibility with your vehicle using the OEM part numbers or vehicle reference tools before purchase.

• One-year warranty on the parking sensor kit
• 24-hour response commitment from GZGN support
• Recommendation: use vehicle fitment lookup or check OEM part numbers prior to ordering

Who is this for: This four-piece GZGN rear parking sensor set is suitable for vehicle owners looking to replace faulty or damaged factory rear bumper sensors on older Chevy, GMC, Buick or Cadillac models. It’s aimed at DIY mechanics who want a plug-and-play swap as well as shop technicians needing an OEM-style replacement. If you own a compatible model year and require reliable reverse-park detection restored with a durable, weather-resistant part, this kit is a practical and cost-effective choice.