Pair Headlights Assembly Compatible for Toyota 4Runner 2003-2005

In this review of the Pair Headlights Assembly Compatible for Toyota 4Runner 2003-2005, the bottom line is simple: these replacement headlights are best for owners of 2003-2005 4Runners that retain the factory halogen system and need a durable, direct-fit upgrade. The reviewer found the housings to be a practical match to OEM mounting points, with a clear lens that resists yellowing and a sealed build that reduces moisture worries, making them a strong buy for someone who wants straightforward installation and improved light output without changing bulbs or wiring.

Key Features

• Fitment: Designed specifically for Toyota 4Runner 2003-2005 models with factory halogen headlights only, offering a direct replacement for compatible vehicles.
• Waterproof construction: IP65 rated and fully sealed with solid silicone to prevent water vapor from entering the housing in wet conditions.
• Durable lens material: Made of new PC material with a UV-resistant coating to reduce yellowing and resist dust and debris over time.
• Improved beam performance: A light-projecting lens design delivers brighter appearance and more even light distribution for clearer demarcation lines on the road.
• Easy installation: Uses the same plug and harness as the original halogen units, requires no coding, and includes an adjustment screw to set beam height correctly.

Who It's For

This product is aimed at 4Runner owners from model years 2003 to 2005 who still have the factory halogen headlight system and want a reliable, like-for-like replacement with improved durability and optics. It suits DIYers and mechanics who prefer a plug-and-play swap that keeps original wiring and bulbs.

Drivers with factory HID systems should look elsewhere, as these assemblies are not compatible with HID models. If someone wants integrated LED modules or adaptive lighting features, these halogen-compatible units will not provide those upgrades.

Pros & Cons

Pros

• Direct-fit compatibility for halogen 2003-2005 4Runners, simplifying replacement.
• IP65 waterproof rating and silicone sealing reduce fogging and moisture ingress.
• UV-resistant PC lens helps prevent yellowing and stands up to road debris.
• Plug-and-play installation with an adjustment screw for correct beam aim saves time.

Cons

• Not compatible with factory HID models, limiting use to halogen-equipped vehicles.
• Does not include upgraded light sources, so bulb performance depends on the existing halogen bulbs.

Specifications

Compatibility	Toyota 4Runner 2003-2005 halogen models
OEM Part Numbers	8117035400, 8113035420
Lens Material	New PC material with UV-resistant coating
Waterproof Rating	IP65, fully sealed with silicone
Housing Finish	Chrome housing with clear lens and amber reflector
Installation	Direct plug-in, no coding required; includes beam adjustment screw

Our Verdict

These headlights are a practical, cost-effective replacement for 2003-2005 Toyota 4Runner owners with halogen systems who want improved durability and clearer optics without rewiring. The sealed construction and UV-resistant lens make them a sensible value pick for restoring appearance and minimizing future maintenance related to fogging or yellowing.

Frequently Asked Questions

Are these compatible with HID 4Runner models?
No. These assemblies are only compatible with factory halogen headlight models and will not work with factory HID systems.

Will I need to rewire or code the headlights?
No. They use the same plug and harness as the original halogen units and require no coding for installation.

Do the lenses resist yellowing?
Yes. The lenses are made of PC material with a UV-resistant coating intended to reduce yellowing from sun exposure.