2024-2025 Hyundai Elantra Left Rear Blind Spot Radar Sensor OEM 99140-AA500

This part number, 99140AA500, belongs to a very high-tech and expensive piece of safety equipment for the newest generation of Hyundai vehicles.

Part Identification

• Part Name: Blind Spot Detection (BSD) Radar Sensor Module

• Placement: Rear, Left (Driver Side), mounted behind the bumper cover.

• Manufacturer: Hyundai (Genuine OEM)

• Status: This is a current-generation part for the latest vehicle redesigns.

Vehicle Fitment

This sensor is specific to the "CN7" generation facelift of the Elantra and Elantra N.

• 2024–2025 Hyundai Elantra (All trims: SE, SEL, Limited, N-Line, Blue Hybrid)

• 2024–2025 Hyundai Elantra N (Base 2.0L Turbo)

eBay Listing 

Title 

2024-2025 Hyundai Elantra Left Rear Blind Spot Radar Sensor OEM 99140-AA500

(Keywords: Driver Side, LH, BSD Module, 24 25, 99140AA500, Genuine Hyundai)

Condition & Pricing (2026 Market):

• MSRP: New from a dealer, this part often retails for over $1,300 – $1,900.

• Used Market: Currently selling for $150 – $250 on eBay.

• Tested Status:  These radar units are extremely sensitive; if the bracket is bent or the casing is cracked, the blind-spot system will malfunction or require a dealer recalibration.

Important Note for the Buyer:

"Professional installation and calibration may be required. When replacing a blind spot radar, most vehicles require a 'Blind Spot Radar Calibration' performed by a dealership or a shop with an ADAS-capable scan tool to clear the dashboard error codes."