2001-2004 Toyota Tacoma Headlights Assembly - Direct Fit Replacement

Our review of this headlight assembly finds it best for owners of 2001 through 2004 Toyota Tacoma models who need a direct-fit replacement that balances cost and durability. The biggest reason to buy is the combination of OEM cross-references and weatherproof construction: it references multiple OEM numbers and Partslink IDs to ensure a precise fit, while a PUR adhesive seal and one-way breathable film protect the unit from moisture and internal fogging. For those who want a straightforward swap with included H/L beam bulb, this assembly is a practical option.

Key Features

• OEM-Quality Assurance: Includes OEM cross-reference numbers and Partslink IDs so buyers can match the assembly to their original Tacoma parts for reliable compatibility.
• Weather-Proof Performance: A specialized PUR adhesive and 100% air-tightness check reduce the risk of moisture intrusion and fogging over time.
• Breathable Base Design: The composite base with a one-way breathable film helps maintain stable internal temperature and humidity to protect internal components.
• Remarkable Brightness: UV optical coating on the lens preserves clarity and prevents yellowing, keeping the beam pattern compliant with SAE requirements.
• DIY-Friendly Installation: Ships with the H/L beam bulb and is modeled to fit the original mounting points for a straightforward install at home or a repair shop.

Who It's For

This headlight assembly is for Tacoma owners from the 2001 to 2004 model years who want a cost-effective replacement that closely matches OEM fit and function. It suits DIY mechanics who prefer to install parts themselves, since the unit is engineered for direct compatibility and includes the H/L beam bulb.

It is less appropriate for drivers seeking upgraded lighting technology such as factory LED or projector conversions, or for those who need custom housings or colored lenses; those buyers should look at aftermarket performance or retrofit options instead.

Pros & Cons

Pros

• Excellent fit due to OEM cross-reference numbers, reducing alignment issues at install.
• Durable, weather-proof construction with a sealed PUR adhesive and air-tightness testing.
• Lens protection with a UV optical coating that helps prevent yellowing over time.
• Good value for money and generally described by customers as looking better than OEM.

Cons

• Not a factory LED or projector upgrade, so buyers wanting modern lighting tech will need a different product.
• Appearance and fit can vary slightly by vehicle age and previous repairs, so careful comparison with OEM mounting points is advisable.

Specifications

Compatibility	2001, 2002, 2003, 2004 Toyota Tacoma
OEM Cross-Reference	8111004110, 8115004110, 8162004080, 8161004080, 8152004080, 8151004080
Partslink Numbers	TO2502136, TO2503136, TO2520161, TO2521161, TO2530140, TO2531140
Included Bulb	H/L beam bulb included
Sealing Method	PUR adhesive with 100% air-tightness check
Lens Protection	UV optical coating to resist yellowing
Warranty	3-year refund or replacement for damage from regular use

Our Verdict

For owners of early-2000s Tacomas who need a reliable replacement that mirrors OEM fit and resists moisture, this assembly is a sensible buy that offers good long-term clarity and weather resistance. It delivers solid value and ease of installation, especially for DIYers, though those seeking advanced lighting upgrades should consider other options.

Frequently Asked Questions

Will these fit my 2003 Tacoma?
Yes. The assembly is specifically modeled and tested for compatibility with 2001-2004 Toyota Tacoma models.

Are bulbs included?
The package includes the H/L beam bulb so you can replace the assembly without sourcing that bulb separately.

What warranty is provided?
The product includes a 3-year refund or replacement policy for damage from regular use; see the warranty card inside the box for full terms.