1. Introduction
This manual provides instructions for the installation, operation, and maintenance of the MZORANGE Halogen Tail Light Assembly. This product is designed as a direct replacement for the left (driver side) rear tail light on specific Ford F-250 and F-350 Super Duty models.
1.1. Compatibility
- Vehicle Models: Ford F-250 Super Duty, Ford F-350 Super Duty
- Model Years: 2020, 2021, 2022
- Part Number: LC3Z13405C
- Side: Left Driver Side
Note: This tail light assembly does not include a bulb. It is not applicable to models equipped with a blind spot monitoring system.
2. Package Contents
Upon opening the package, verify that all components are present and undamaged:
- 1 x MZORANGE Halogen Tail Light Assembly (Left Driver Side)
If any items are missing or damaged, please contact customer support immediately.
3. Product Features
- Compliance: Meets or exceeds DOT/SAE standards for photometric and safety requirements.
- Durability: Waterproof and shock-resistant design for reliable performance in various weather conditions.
- Installation: Designed for direct fit, plug-and-play installation without the need for modifications.
- Lens Protection: Special coating on the lens surface helps prevent hazing and fading over time.
- Quality Assurance: Undergoes rigorous and accelerated cycling tests to ensure product service quality and longevity.
4. Installation Instructions
Installation of the tail light assembly is designed to be straightforward. Basic automotive tools may be required. It is recommended to consult a professional if you are unsure about any steps.
4.1. Safety Precautions
- Ensure the vehicle is parked on a level surface with the parking brake engaged.
- Turn off the vehicle's ignition and remove the key.
- Disconnect the negative terminal of the vehicle's battery to prevent electrical shorts.
4.2. Removal of Existing Tail Light
- Locate the mounting screws or bolts securing the existing tail light assembly to the vehicle body. These are typically accessible from the outside or by opening the tailgate.
- Carefully remove the screws or bolts.
- Gently pull the tail light assembly away from the vehicle. It may be held by alignment pins or clips.
- Disconnect the electrical connector(s) from the back of the tail light assembly by pressing the release tab and pulling apart.
- Remove any bulbs from the old assembly if they are to be transferred to the new assembly (this product does not include bulbs).
4.3. Installation of New Tail Light
- If transferring bulbs, insert the appropriate bulbs into the designated sockets on the new MZORANGE tail light assembly. Ensure they are securely twisted into place.
- Connect the vehicle's electrical harness to the corresponding connector(s) on the new tail light assembly. Ensure a secure connection.
- Align the new tail light assembly with the mounting points on the vehicle body. Ensure the mounting tabs and alignment pins (if present) are correctly seated.
- Secure the tail light assembly using the original screws or bolts. Do not overtighten.
- Reconnect the negative terminal of the vehicle's battery.
4.4. Testing
After installation, test all lighting functions to ensure proper operation:
- Turn on the vehicle's headlights and check the tail lights.
- Press the brake pedal and verify the brake lights illuminate.
- Activate the left turn signal and confirm it flashes correctly.
- Shift into reverse and check the reverse light.
If any function does not work, recheck the electrical connections and bulb installation.

Figure 1: Back of the tail light assembly with labeled components for easy installation.

Figure 2: Front view of the MZORANGE Halogen Tail Light Assembly.
5. Operation
The MZORANGE Halogen Tail Light Assembly functions identically to the original equipment, providing essential rear lighting for your vehicle.
- Driving Light: Illuminates when headlights or parking lights are on, providing rear visibility.
- Brake Light: Activates when the brake pedal is pressed, signaling deceleration to following vehicles.
- Turn Signal: Flashes to indicate a left turn or lane change.
- Reversing Light: Illuminates when the vehicle is in reverse gear, providing visibility when backing up.

Figure 3: Tail light functions demonstrated on a Ford F-250 Super Duty.
Video 1: This video showcases the MZORANGE Halogen Tail Light Assembly for Ford F-250/F-350 Super Duty (2020-2022), highlighting its design and features from various angles.
6. Care and Maintenance
Proper care will ensure the longevity and optimal performance of your tail light assembly.
- Cleaning: Clean the lens regularly with a soft cloth and mild automotive soap. Avoid abrasive cleaners or harsh chemicals that could damage the lens coating.
- Inspection: Periodically inspect the tail light for any signs of damage, cracks, or loose connections. Ensure the lens remains clear and free of debris.
- Bulb Replacement: If a bulb fails (this assembly does not include bulbs, so this applies if you installed your own), replace it promptly with a bulb of the correct type and wattage as specified by your vehicle manufacturer.

Figure 4: The tail light assembly is designed to be waterproof (IP67 rated) for reliable operation in various weather conditions.
7. Troubleshooting
If you encounter issues with your tail light assembly, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tail light does not illuminate |
|
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| Intermittent operation |
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| Moisture inside the lens |
|
|

Figure 5: Ensuring proper brightness of your tail lights is crucial for road safety.
8. Specifications
| Attribute | Detail |
|---|---|
| Brand | MZORANGE |
| Model Number | F8615321 |
| OEM Part Number | LC3Z13405C |
| Compatibility | Ford F-250 F-350 Super Duty (2020-2022) |
| Position | Rear Left (Driver Side) |
| Light Type | Halogen (Bulb not included) |
| Lens Color | Red |
| Lens Material | Plastic |
| Special Feature | Waterproof |
| Item Weight | 4.39 pounds |
| Package Dimensions | 20.5 x 11.5 x 8.5 inches |
9. Warranty and Support
Each MZORANGE product is designed and manufactured with a strict quality control system to ensure stable quality.
9.1. Customer Support
If you have any questions regarding the product, installation, or performance, please do not hesitate to contact our customer support team. We aim to respond to all inquiries within 24 hours.
Please refer to your purchase documentation or the retailer's website for specific contact information.