1. Product Overview
This manual provides essential information for the installation and maintenance of your ALLIGATOR AUTO LIGHTS replacement headlight assembly for the Volvo S60. This specific unit is designed for the left/driver side of the vehicle and includes halogen bulbs, lens, housing, and socket as a complete assembly.
The headlight assembly is engineered to meet or exceed OEM specifications, ensuring a direct fit and reliable performance. It is DOT/SAE compliant, adhering to safety and quality standards.

Image 1.1: Front view of the ALLIGATOR AUTO LIGHTS replacement headlight assembly.
2. Compatibility
This headlight assembly is compatible with the following Volvo S60 models and years:
- Volvo S60 T5 (2011, 2012, 2013)
- Volvo S60 T6 (2011, 2012, 2013)
- Volvo S60 T6 R-Design (2011, 2012, 2013)
Important: This product is for the Left / Driver Side of the vehicle. Please verify your vehicle's make, model, trim, and year. Cross-reference with OEM part number 31299998-0 or Partslink number VO2502132 to ensure accurate compatibility.

Image 2.1: Vehicle side identification for Left Hand Drive (LHD) vehicles, indicating the driver side as the left side.
3. Installation (Setup)
The ALLIGATOR AUTO LIGHTS headlight assembly is designed for a direct, plug-and-play installation, requiring no wiring modifications or drilling. OE-comparable mounting provisions ensure a precise fitment.
General Installation Guidance:
- Preparation: Ensure the vehicle's ignition is off and the battery is disconnected before beginning installation.
- Access: Depending on your vehicle model, you may need to remove surrounding components (e.g., bumper, grille) to access the existing headlight assembly.
- Removal: Disconnect the electrical connectors and unbolt the old headlight assembly from its mounting points. Carefully remove the old unit.
- Installation of New Unit: Position the new ALLIGATOR AUTO LIGHTS headlight assembly into place, ensuring all mounting tabs align. Secure it with the original bolts.
- Connection: Reconnect the electrical harness to the new headlight assembly. The OE-comparable harness ensures a hassle-free connection.
- Testing: Reconnect the battery and test the headlight functions (low beam, high beam, turn signal, parking light) before reassembling any removed vehicle components.
- Alignment: After installation, it is recommended to have the headlight beam professionally aligned to ensure proper illumination and avoid blinding oncoming traffic.
Note: While designed for easy installation, professional installation is highly recommended to ensure correct fitment and optimal performance. A detailed, step-by-step installation guide specific to your vehicle model is not included with this product.

Image 3.1: Side view of the headlight assembly, illustrating its structure and potential mounting points.
4. Operating Instructions
Once installed, the ALLIGATOR AUTO LIGHTS headlight assembly operates in conjunction with your vehicle's existing electrical system and controls. Refer to your Volvo S60 owner's manual for specific instructions on operating your vehicle's lighting system, including:
- Turning headlights on/off.
- Switching between low beam and high beam.
- Activating turn signals and hazard lights.
- Adjusting headlight aim (if applicable via vehicle controls).
5. Maintenance
To ensure the longevity and optimal performance of your headlight assembly, follow these maintenance guidelines:
- Cleaning: Regularly clean the outer lens with a soft cloth and mild automotive soap or glass cleaner. Avoid abrasive materials or harsh chemicals that could scratch or damage the lens surface.
- Inspection: Periodically inspect the headlight for any signs of damage, cracks, or moisture intrusion. Address any issues promptly.
- Bulb Replacement: While the assembly includes bulbs, if a bulb needs replacement in the future, ensure you use the correct halogen bulb type specified for your vehicle and this assembly. Refer to your vehicle's owner's manual for bulb specifications and replacement procedures.
The headlight lens offers superior UV protection, designed to resist fading under long-term sunlight exposure. The unit is also weather-resistant and impact-resistant, providing durability against environmental elements.

Image 5.1: Illustration of the headlight's fogproof, dustproof, and waterproof properties.
6. Troubleshooting
If you encounter issues with your headlight assembly, consider the following:
- Light Not Working: Check the bulb for filament breakage. Verify electrical connections are secure and free from corrosion. Inspect the vehicle's fuse box for a blown fuse related to the headlights.
- Flickering Light: This could indicate a loose connection, a faulty bulb, or an issue with the vehicle's electrical system. Re-check connections and consider replacing the bulb.
- Moisture Inside Lens: Small amounts of condensation can occur due to temperature changes and usually dissipate. If excessive moisture or water droplets are present, inspect the housing for cracks or improper sealing. Ensure the bulb access caps are securely in place.
- Improper Beam Pattern: The headlight may require alignment. This is typically done by a professional using specialized equipment.
If troubleshooting steps do not resolve the issue, it is recommended to consult a qualified automotive technician.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | ALLIGATOR AUTO LIGHTS |
| Model Number | AALC3731126LAS |
| OEM Part Number | 31299998-0 |
| Partslink Number | VO2502132 |
| Bulb Type | Halogen (Bulbs Included) |
| Position | Front Left / Driver Side |
| Voltage | 12 Volts |
| Lens Material | Plastic |
| Special Features | Waterproof, UV Protection |
| Item Weight | 4.08 kg |
| Parcel Dimensions | 58.42 x 33.02 x 30.48 cm |
| Compliance | DOT/SAE Compliant, ISO9001:2000, QS9000 Certified |

Image 7.1: Indication of DOT/SAE compliance for safety and quality standards.
8. Warranty and Support
Your ALLIGATOR AUTO LIGHTS headlight assembly is backed by a 1-year limited warranty against manufacturing defects. Additionally, a 30-day hassle-free return policy is offered for your peace of mind.
For warranty claims, technical support, or any product-related inquiries, please contact ALLIGATOR AUTO LIGHTS customer service through the retailer where the product was purchased. Please have your purchase receipt and product model number (AALC3731126LAS) available when contacting support.