Introduction
This manual provides essential instructions for the proper installation, operation, and maintenance of your Parts Express 510001 LED Retrofit Lens Assembly. This product is designed as a shallow insert for automotive lighting applications, specifically for fleet and plant maintenance vehicles. It features a durable, waterproof design for reliable performance.
Setup and Installation
The Parts Express 510001 LED Retrofit Lens Assembly requires assembly and is designed for universal fit in various automotive applications, particularly for car vehicle service types. Please follow these general guidelines for installation:
- Safety First: Ensure the vehicle's power is disconnected before beginning any electrical work.
- Identify Location: Determine the appropriate location for the lens assembly. This product is typically used as a tail light lens.
- Remove Existing Component: Carefully remove the old lens or assembly, if present, following vehicle-specific procedures.
- Prepare Wiring: The LED retrofit lens assembly comes with pre-attached wires. Ensure these are properly stripped and ready for connection.
- Connect Wiring: Connect the wires from the new lens assembly to the vehicle's corresponding wiring. Ensure correct polarity (positive to positive, negative to negative) to prevent damage. Secure connections using appropriate connectors (e.g., crimp connectors, solder and heat shrink).
- Insert Assembly: Carefully insert the shallow lens assembly into its housing. Ensure it sits flush and securely.
- Secure in Place: Use any provided fasteners or clips to secure the lens assembly.
- Test Functionality: Reconnect vehicle power and test the lighting function to ensure the LED lens assembly operates correctly.

Image 1: The Parts Express 510001 LED Retrofit Lens Assembly, showing its red plastic lens and two wire leads for electrical connection.
Due to its universal fit design, specific vehicle instructions may vary. Consult your vehicle's service manual for detailed wiring diagrams and housing removal procedures.
Operating Instructions
The Parts Express 510001 LED Retrofit Lens Assembly functions as a passive lighting component. Once correctly installed and wired into your vehicle's electrical system, it will illuminate when the corresponding vehicle light function (e.g., tail lights, brake lights) is activated. No user interaction is required for its operation beyond the initial installation.
Maintenance
To ensure the longevity and optimal performance of your LED Retrofit Lens Assembly, consider the following maintenance tips:
- Regular Cleaning: Periodically clean the lens surface with a soft cloth and mild soap and water to remove dirt, dust, and road grime. Avoid abrasive cleaners or harsh chemicals that could damage the plastic lens.
- Inspect for Damage: Regularly check the lens for cracks, chips, or discoloration. Inspect the wiring connections for corrosion or loose contacts.
- Waterproof Feature: The assembly is designed to be waterproof. However, ensure that the seal around the lens remains intact and free from damage to maintain its waterproof integrity.
Troubleshooting
If the LED Retrofit Lens Assembly is not functioning as expected, consider the following:
- No Illumination:
- Check electrical connections for looseness or corrosion.
- Verify correct wiring polarity.
- Inspect vehicle fuses related to the lighting circuit.
- Ensure the vehicle's lighting switch is in the correct position.
- Dim or Flickering Light:
- Check for poor electrical connections or insufficient grounding.
- Verify the vehicle's voltage supply is stable.
- Moisture Inside Lens:
- Inspect the lens assembly for cracks or damage to the waterproof seal. If damaged, replacement may be necessary.
If issues persist after troubleshooting, contact the seller or a qualified automotive technician.
Specifications
| Feature | Detail |
|---|---|
| Brand | Parts Express |
| Model Number | 510001 |
| Manufacturer | ATI Products, Inc. |
| Specific Uses | Fleet and plant maintenance |
| Vehicle Service Type | Car |
| Special Feature | Waterproof |
| Lens Color | Red |
| Lens Material | Plastic |
| Item Dimensions (L x W x H) | 10 x 11 x 2 inches |
| Item Weight | 2.11 ounces |
| Assembly Required | Yes |
| Automotive Fit Type | Universal Fit |
Warranty Information
Specific warranty details for the Parts Express 510001 LED Retrofit Lens Assembly are not provided in this manual. For information regarding product warranty, please refer to the documentation included with your purchase or contact the seller or manufacturer directly.
Support
For technical assistance, installation queries, or any other support needs related to your Parts Express 510001 LED Retrofit Lens Assembly, please contact the retailer from whom you purchased the product or the manufacturer, ATI Products, Inc.





