HEADLIGHT LEVEL ADJUSTER SENSOR - D2P - 89405-48020
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Product Information
Full details
This D2P Headlight Level Adjuster Sensor (MPN: 89405-48020) is designed for owners of compatible Toyota, Lexus, and Mazda vehicles needing to restore proper headlight aiming. Its key benefit is ensuring optimal road illumination and driver visibility. A key caveat is that installation requires professional fitting by a qualified mechanic for the warranty to be valid. This aftermarket sensor replaces several OEM part numbers and is suitable for various vehicle positions.
All features
| Model Part Number | 89405-48020 |
|---|---|
| Brand | D2P |
Extended Product Information
FAQs
What vehicles is this headlight level adjuster sensor compatible with?
This sensor is designed for various Toyota, Lexus, and Mazda models, including specific versions of the Prius, Tacoma, RX, ES, IS, LX, and RX-8. Always verify compatibility with your vehicle's specific year and model.
Can I install this sensor myself?
While the sensor is a replacement part, professional installation by a fully qualified mechanic is required for the warranty to be valid. They will also ensure proper calibration.
What is the warranty period for this product?
The warranty is valid only if the item is fitted by a fully qualified mechanic, and proof of this installation must be provided. Please refer to specific warranty documentation for duration details.
Can this sensor be used on either the left or right side?
Yes, this sensor is suitable for installation on both the left and right sides of the vehicle, for both front and rear positions where applicable.
Which OEM part numbers does this sensor replace?
This sensor replaces numerous OEM part numbers, including 89405-48020, 894048020, 89406-48020, 89406-53010, 89407-48010, 89407-48020, 89407-48030, 89408-30110, 89408-47010, 89408-48010, FE03-51-21YD, and FE03-51-22YC, among others.
What does a headlight level adjuster sensor do?
It monitors the vehicle's suspension height and signals the headlight system to adjust the beam's vertical aim, ensuring optimal illumination based on driving conditions or vehicle load.
How do I know if my headlight level adjuster sensor needs replacement?
Symptoms include headlights pointing too low or too high, uneven beam patterns, or a warning light on the dashboard related to the headlight system.
Troubleshooting
Headlights remain misaligned after installation.
Ensure the sensor is correctly mounted and connected. Verify that the vehicle's computer system recognizes the new sensor. Professional recalibration of the headlight aiming system may be necessary.
Warning light related to headlight system illuminates.
Check all electrical connections to the sensor. Confirm the sensor is the correct part number for the vehicle. Professional diagnostic scanning may be required to identify specific fault codes.
Sensor appears physically damaged.
Inspect the sensor and its mounting bracket for any signs of impact or stress. If damage is found, do not install and contact the seller or manufacturer.
Pros and Cons
Pros
- Ensures correct headlight beam alignment for improved visibility and safety.
- High-quality construction meeting international automotive standards.
- Wide application across multiple Toyota, Lexus, and Mazda models.
- Cost-effective aftermarket alternative to OEM parts.
- Designed for easy integration with existing wiring harnesses.
Cons
- Requires professional installation for warranty validation.
- Compatibility must be double-checked with the specific vehicle's year and model.
- Aftermarket part; may not carry the same brand prestige as OEM.
- Limited to headlight leveling function; does not affect other vehicle systems.
Setup, Compatibility & Care
Compatibility Check: Before purchasing, verify that this sensor's OEM part numbers match your vehicle's requirements. Refer to your vehicle's service manual or consult a professional to confirm compatibility for your specific year, make, and model, as well as the required position (front/rear, left/right).
Installation: Installation of this sensor should only be performed by a fully qualified mechanic. The process typically involves accessing the sensor on the suspension or chassis, disconnecting the old sensor, and connecting the new one. Proper calibration may be required after installation to ensure correct headlight aiming.
Care: The sensor itself requires minimal direct care. Ensure the area around the sensor and its mounting points are kept clean from excessive dirt and debris. Avoid using high-pressure washers directly on the sensor assembly. Regular vehicle maintenance, including checking for proper headlight function, is recommended.
Warranty: The warranty for this part is only valid if it is fitted by a fully qualified mechanic, and proof of professional installation must be provided.