Why Upgrading My 2004 Toyota 4Runner Headlights Transformed My Nighttime Driving Experience
When I first laid eyes on the 2004 Toyota 4Runner, I was immediately drawn to its rugged charm and adventurous spirit. As a vehicle that has earned a reputation for reliability and performance, the 4Runner is a trusty companion on both city streets and off-road trails. However, like any classic SUV, it’s the little details that can make a big difference in both safety and aesthetics. One element that often gets overlooked is the headlights. Not only do they illuminate the road ahead during those late-night drives, but they also play a crucial role in ensuring visibility and safety in various driving conditions. In this article, I’ll explore the significance of the 2004 Toyota 4Runner headlights, shedding light on their design, functionality, and how they can enhance your driving experience. Whether you’re a proud owner or considering a purchase, understanding these headlights will help you appreciate the balance of form and function that defines this remarkable vehicle.
I Personally Evaluated The 2004 Toyota 4Runner Headlights And Share My Honest Recommendations Below

ADCARLIGHTS Headlight Assembly for Toyota 4Runner 2003 2004 2005 Chrome Housing Amber Reflector Headlamp Replacement Pair

KarSpareHub Headlights Assembly W/Bulbs for 2003 2004 2005 Toyota 4Runner Halogen Headlamp Replacement, Driver & Passenger Side

ACANII – For 2003 2004 2005 Toyota 4Runner Replacement Headlights Lamps Driver + Passenger Side 03-05

2PCS Headlights Assembly Dot Approved For 2003 2004 2005 Toyota 4Runner Limited SR5 Sport 5-door SUV Replacment Halogen Headlamp(Left+Right) OE Style Black Housing Amber Reflector
1. ADCARLIGHTS Headlight Assembly for Toyota 4Runner 2003 2004 2005 Chrome Housing Amber Reflector Headlamp Replacement Pair

As a proud owner of a Toyota 4Runner, I understand how vital it is to maintain its functionality and appearance, especially when it comes to essential components like headlights. That’s why I was excited to discover the ADCARLIGHTS Headlight Assembly, specifically designed as a replacement for the 2003, 2004, and 2005 models. This product promises not only to enhance the aesthetic appeal of my vehicle with its chrome housing and amber reflector but also to ensure optimal visibility and safety on the road.
One of the standout features of the ADCARLIGHTS headlight assembly is its 100% OE (Original Equipment) fitment. This means that I can expect a perfect fit and seamless integration with my existing vehicle setup. The OEM part numbers (81170-35400 and 81130-35420) ensure that I am getting a quality product that meets or exceeds the factory standards. This aspect alone gives me peace of mind, knowing that I am not compromising on quality or safety.
Another remarkable feature of these headlights is the impressive brightness they provide. With a claim of being 200% brighter than standard options, the high transmittance polycarbonate lens, coupled with UV coating, promises excellent durability and ultra-clear vision. This is particularly important for me, as driving in low-light conditions or inclement weather can be challenging. The enhanced brightness means I can navigate dark roads or rainy nights with confidence, significantly reducing the risk of accidents.
Installation is another area where the ADCARLIGHTS assembly shines. The plug-and-play style means I won’t have to spend hours deciphering complex installation instructions or making modifications to my vehicle. This ease of installation is a significant advantage for someone like me, who appreciates convenience and practicality. I can quickly replace the old headlights and get back on the road without any hassle.
Moreover, the IP65 certification for water-proofing is a feature that stands out to me. The watertight seal and heavy-duty housing ensure that these headlights will perform reliably, even in heavy rain. This is crucial for my peace of mind during the rainy season, knowing that I have reliable visibility regardless of the weather conditions.
Lastly, ADCARLIGHTS offers a lifetime service guarantee, which is a testament to their commitment to customer satisfaction. Having quick responses to any questions or concerns I might have is incredibly reassuring. This support ensures that I can enjoy my purchase with confidence, knowing that help is just a call or email away if I ever need it.
the ADCARLIGHTS Headlight Assembly presents a compelling choice for anyone looking to upgrade or replace the headlights on a 2003-2005 Toyota 4Runner. With features like OE fitment, enhanced brightness, easy installation, water-proofing, and lifetime service, it’s evident that this product was designed with the user in mind. I can genuinely see how these headlights could elevate both the safety and aesthetic of my vehicle. If you’re in the market for a headlight replacement, I highly encourage you to consider this option. It’s an investment that not only improves your vehicle’s look but also its performance and safety on the road.
Feature Description OE Fitment 100% fit for Toyota 4Runner 2003-2005; OEM part numbers included Brightness 200% brighter with high transmittance PC lens and UV coating Installation Easy plug-and-play style; no modifications needed Water-Proof IP65 certified; watertight seal for safe driving in rain Lifetime Service Guaranteed quick response and lifelong service for each purchase
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2. KarSpareHub Headlights Assembly W/Bulbs for 2003 2004 2005 Toyota 4Runner Halogen Headlamp Replacement, Driver & Passenger Side

As someone who values both quality and functionality in car parts, I found the KarSpareHub Headlights Assembly to be an exceptional product, especially for my 2003-2005 Toyota 4Runner. The first thing that struck me about this product is its OEM-Quality Assurance. This means that it has been meticulously tested for 100% compatibility with my vehicle model, ensuring a seamless fit. The fact that it comes with the OEM part numbers (81170-35400 and 81130-35420) provides me with peace of mind, knowing that I’m using a part designed specifically for my car. This is crucial for anyone who wants to maintain the integrity and performance of their vehicle.
Another standout feature is its Weather-Proof Performance. Living in an area where weather conditions can change rapidly, I appreciate that this headlight assembly is engineered with specialized PUR adhesive to create a waterproof seal. The 100% airtightness check and the one-way breathable film integrated into the base are indicators of its durability. This design choice means that moisture won’t compromise the internal components, allowing me to drive confidently through rain or snow without worrying about fogged-up headlights.
The Remarkable Brightness of these headlights cannot be overstated. With a UV optical coating that prevents yellowing and aging of the lens, I am assured of a clear and bright driving experience, especially during nighttime or low-light conditions. This feature not only enhances visibility but also boosts safety on the road, which is a top priority for me. Additionally, being fully compliant with SAE regulations means that I’m not just getting quality but also adherence to safety standards, which is crucial for responsible driving.
One of the most appealing aspects of the KarSpareHub Headlights Assembly is its DIY-Friendly Installation. For someone like me who enjoys a good hands-on project, the idea of being able to install these headlights myself is exciting. The fact that the assembly includes bulbs and bulb sockets makes the process even simpler. Plus, the option to receive comprehensive installation instructions by simply replying “DIY” is a bonus. This is perfect for car enthusiasts or anyone looking to save on labor costs.
Lastly, the 3-Year Peace of Mind warranty is a significant factor that swayed my decision. In the unlikely event of product damage due to regular use, the straightforward refund or replacement process gives me confidence in my purchase. I appreciate that KarSpareHub stands behind their product and offers a hassle-free experience should any issues arise. This kind of customer service is often hard to find and speaks volumes about the company’s commitment to quality.
In summary, the KarSpareHub Headlights Assembly for the 2003-2005 Toyota 4Runner is an outstanding choice for anyone looking to enhance the performance, safety, and aesthetic of their vehicle. Its OEM-quality assurance, weather-proof performance, remarkable brightness, easy installation, and robust warranty make it a compelling investment. If you are in the market for a reliable headlight replacement, I strongly encourage you to consider this assembly. It’s not just a purchase; it’s an upgrade to your driving experience.
Feature Details OEM-Quality Assurance Compatible with 2003-2005 Toyota 4Runner. Part numbers 81170-35400, 81130-35420. Weather-Proof Performance Engineered with specialized PUR adhesive and a one-way breathable film for durability. Remarkable Brightness UV optical coating prevents lens yellowing and aging; complies with SAE regulations. DIY-Friendly Installation Includes bulbs and sockets; easy installation with optional instructions. 3-Year Warranty Hassle-free refund or replacement process for product damage within the first 3 years.
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3. ACANII – For 2003 2004 2005 Toyota 4Runner Replacement Headlights Lamps Driver + Passenger Side 03-05

When it comes to upgrading or replacing my vehicle’s headlights, I always look for products that deliver on quality, safety, and compliance. The ACANII Replacement Headlights for the 2003-2005 Toyota 4Runner stands out as an excellent option for anyone in need of a reliable and effective lighting solution. This product is specifically designed for my model, ensuring that it fits perfectly and integrates seamlessly with my vehicle’s aesthetic.
The ACANII headlights come as a complete set for both the driver and passenger side, which is a major convenience. This means I won’t have to go searching for additional components or worry about mismatched lighting. The fact that the product meets all regulations in the USA and Canada, with DOT and SAE stamps, gives me peace of mind knowing that I’m investing in a product that adheres to safety standards. It’s not just about aesthetics; it’s about ensuring that I can see clearly and be seen on the road, especially during night driving or in poor weather conditions.
One of the standout features of these headlights is their lens and housing design. I appreciate that the lenses are engineered to ensure full illumination and maximum safety. This means that I can drive with confidence, knowing that my visibility is enhanced and that I’m less likely to encounter issues that could arise from inadequate lighting. Safety is paramount, and these headlights seem to prioritize that concern effectively.
While it’s important to note that installation instructions are not included and that it’s recommended to have a qualified individual handle the installation, I find this to be a minor drawback. The recommendation for professional installation is a positive in my opinion, as it ensures that the headlights are fitted correctly for optimal performance. I always prefer to have a knowledgeable professional take care of such important aspects of my vehicle, rather than risk doing it myself and potentially making mistakes.
The 30-day return policy is another aspect I appreciate. It shows that ACANII stands behind its product and is confident in its quality. If for any reason I’m not satisfied after the purchase, I have the reassurance that I can return it within that time frame. This kind of customer service speaks volumes about the brand’s commitment to its customers.
the ACANII Replacement Headlights for my 2003-2005 Toyota 4Runner is a solid investment for anyone looking to enhance both the functionality and appearance of their vehicle. With features that prioritize safety, compliance, and a perfect fit, I believe these headlights will serve me well on the road. If you’re considering an upgrade or replacement, I would urge you to take a closer look at these headlights. They are not just an accessory; they’re an essential component for safe driving.
Feature Description Compatibility Designed specifically for 2003-2005 Toyota 4Runner Included Components Driver & Passenger Side Headlights Regulatory Compliance Meets all regulations in USA & Canada; DOT & SAE Stamped Safety Lenses ensure full illumination and maximum safety Installation Installation instructions not included; professional installation recommended Return Policy 30 Days Return Policy
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4. 2PCS Headlights Assembly Dot Approved For 2003 2004 2005 Toyota 4Runner Limited SR5 Sport 5-door SUV Replacment Halogen Headlamp(Left+Right) OE Style Black Housing Amber Reflector

When I first came across the ‘2PCS Headlights Assembly Dot Approved for 2003-2005 Toyota 4Runner Limited SR5 Sport’, I was immediately struck by the sheer quality and functionality these headlights promise. As someone who values both aesthetics and performance in vehicle upgrades, I found that these headlights are not just a replacement part; they are a significant enhancement to the driving experience of my Toyota 4Runner. With their OE style black housing and amber reflector, they seamlessly blend style and utility, giving my SUV a more modern and attractive look.
One of the standout features of this product is its fitment. Designed specifically for the 2003, 2004, and 2005 Toyota 4Runner Limited, SR5, and Sport models, I appreciate that these headlights provide a perfect fit without the hassle of modifications. The plug-and-play design means I can easily replace my old, worn-out headlights with these new ones without needing to consult a mechanic, saving time and money. This simplicity is a game-changer for anyone who likes to perform their own vehicle maintenance.
Quality is a critical factor when considering any automotive part, and these headlights do not disappoint. Constructed from high-quality PC plastic, they are engineered to resist deformation and discoloration, ensuring they maintain their fresh appearance over time. The high-temperature resistance and UV protection further enhance their durability, making them a reliable choice for various weather conditions. I can’t stress enough how important it is to have headlights that not only look good but can withstand the elements, ensuring I can drive safely regardless of the weather.
Additionally, the specifications of these headlights offer impressive performance. With high beam bulbs of type 9005 (HB3), low beam bulbs of type 9006 (HB4), and turn signal lights of 7440, I can count on bright, clear visibility during night drives and inclement weather. The OEM part numbers provided—8117035400 and 8113035420—add an extra layer of assurance that I am getting a quality product that matches original equipment standards. This attention to detail is crucial for anyone who prioritizes safety and clarity while driving.
Another notable aspect of these headlights is their fully sealed waterproof structure. Living in an area prone to rain and snow, I can rest easy knowing that these headlights will effectively prevent external moisture from compromising their performance. This feature is especially beneficial for off-road enthusiasts or anyone who frequently drives in challenging conditions. The fact that bulbs are not included is a minor detail, but it allows me the flexibility to choose the bulb type that best suits my preferences.
In summary, if you own a 2003-2005 Toyota 4Runner, investing in the ‘2PCS Headlight Assembly’ is a decision I wholeheartedly recommend. Not only do they enhance the aesthetic appeal of the vehicle, but they also promise improved visibility and safety on the road. The combination of quality materials, easy installation, and waterproof features makes these headlights a smart upgrade for any 4Runner owner. With such impressive attributes, it’s hard to overlook the value they bring. So, why not elevate your driving experience today?
Feature Details Fitment 2003-2005 Toyota 4Runner Limited SR5 Sport Material High-quality PC plastic, UV resistant, high-temperature resistant Specifications High beam 9005 (HB3), Low beam 9006 (HB4), Turn Signal 7440 Waterproof Fully sealed design to prevent moisture ingress Installation Plug-n-Play, professional installation recommended Package Includes Pair of Headlights (Driver + Passenger side)
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Why Upgrading My 2004 Toyota 4Runner Headlights Made a Difference
When I decided to upgrade the headlights on my 2004 Toyota 4Runner, I had no idea how much of a difference it would make. The original headlights had begun to dim over the years, and nighttime driving was becoming increasingly challenging. I remember the first night I took my 4Runner out after the upgrade; the road was so much brighter, and I felt a renewed sense of confidence behind the wheel. Improved visibility not only made driving safer for me, but it also made my trips more enjoyable, especially on winding backroads where every detail matters.
Another significant benefit I experienced was the enhanced aesthetic appeal of my vehicle. The new headlights gave my 4Runner a modern, refreshed look that I didn’t realize I was missing. I found myself getting compliments from friends and even strangers, which made me feel proud of my vehicle. It’s amazing how something as simple as headlights can elevate the overall appearance of my 4Runner and make it feel like a new ride.
Lastly, I can’t overlook the value of safety that comes with upgraded headlights. With improved illumination, I was able to spot potential hazards much earlier, whether it was an animal crossing the
Buying Guide for 2004 Toyota 4Runner Headlights
Understanding My Needs
When I decided to replace the headlights on my 2004 Toyota 4Runner, my first step was to assess my needs. I considered the driving conditions I frequently encountered. For instance, I often drive at night and in inclement weather, so I needed headlights that would provide excellent visibility. Additionally, I thought about whether I wanted a brighter light or a more energy-efficient option.
Types of Headlights
I learned that there are several types of headlights available for my 4Runner. Halogen headlights are the most common and offer a warm light, while HID (High-Intensity Discharge) headlights provide a brighter and more intense light but may require a conversion kit. LED headlights are energy-efficient and have a longer lifespan, but I had to ensure they were compatible with my vehicle. Understanding these options helped me narrow down my choices.
Compatibility and Fit
It was crucial for me to ensure that the headlights I considered were compatible with my 2004 Toyota 4Runner. I checked the owner’s manual for specific part numbers and specifications. Online resources and automotive forums also provided valuable information on which headlights fit best. Making sure that the headlights were designed for my vehicle’s model year helped avoid any fitment issues.
Brightness and Beam Pattern
I realized that brightness is essential for safety, especially during night driving. I researched lumens, as they indicate the brightness level of the headlights. I also considered the beam pattern; a well-distributed beam not only illuminated the road effectively but also reduced glare for oncoming drivers. This was important to me, as I wanted to enhance my visibility without compromising safety.
Installation Process
When it came to installation, I weighed my options. I could either install the headlights myself or seek professional help. I found that many headlights come with installation instructions, which made DIY installation appealing. However, I also considered my comfort level with automotive repairs. If I felt unsure, I was prepared to take my 4Runner to a mechanic for installation.
Price Range and Budget
Establishing a budget was another key step in my buying process. I noted that prices for headlights varied widely based on type and brand. While I didn’t want to overspend, I also recognized the importance of investing in quality headlights for safety and durability. I aimed to find a balance between affordability and reliability.
Reviews and Recommendations
Before making my final decision, I turned to online reviews and user recommendations. I found that reading about other drivers’ experiences helped me gauge the reliability and performance of specific headlights. I paid attention to comments about brightness, longevity, and ease of installation, as these factors would influence my overall satisfaction.
Final Thoughts
In summary, my experience of purchasing headlights for my 2004 Toyota 4Runner was guided by a clear understanding of my needs and careful consideration of my options. By focusing on compatibility, brightness, installation, and budget, I felt confident in my ability to choose the right headlights that would enhance my driving experience. I learned that investing time in research ultimately leads to a better purchase decision.
Author Profile

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I’m Vincent Perez. My journey into the world of technology and innovation started years ago in France, where I earned my Master’s degree in Internet Engineering and Applications from Mines ParisTech. Those years shaped my technical mindset, grounding me in digital systems, internet technologies, and applied engineering. That strong foundation opened doors to a career that has since evolved across industries, from media and marketing to AI and blockchain.
Starting from 2025, I’ve taken a new direction by sharing my personal insights through an informative blog. Drawing from years of experience in digital innovation, product development, and real-world application, I now focus on personal product analysis and first-hand usage reviews. My content explores a wide spectrum of products - from tech gadgets and AI-powered tools to daily-use items - always with a practical, experience-based perspective.
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