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  1. Headlight Assembly for Buick Rainier 2004-2007, Left Driver, Halogen Light, Composite Type, Replacement
    High-Quality TYC/DEPO-brand item; Composite; OEM #15866079, Partslink #: GM2502297
    $205.95

    In Stock

  2. Headlight Assembly for Buick Rainier 2004-2007, Right Passenger, Halogen, Composite Type, Replacement
    High-Quality TYC/DEPO-brand item; Composite; OEM #15866078, Partslink #: GM2503297
    $214.95

    In Stock

  3. Headlight Assembly Pair/Set for 2004-2007 Rainier, Halogen, Composite Type, Includes Right Passenger and Left Driver Side, Replacement
    RAINIER 04-07 HEAD LAMP Right (Passenger) AND Left (Driver), Assembly, Halogen, Composite Type
    OEM #s: 15866079, 15866078
    Partslink #s: GM2503297,GM2502297, Partslink #: SET-REPB100113
    $544.95

    In Stock

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Welcome to Go-Parts,
Your Go-To Place for Auto Parts!
Are you looking for high-quality, affordable headlights to improve your vehicle's visibility and safety? You've come to the right place! Our headlights are designed to meet and exceed national safety standards, ensuring the best possible driving experience for you and your loved ones.
💎 Why Choose Our Headlights?
🏆 OEM-Quality: Our aftermarket replacement headlights are engineered to match the quality and performance of your vehicle's original equipment, without the hefty price tag. Buy OEM-quality parts for discount prices and save BIG on your next headlight purchase!
🛡️ Safety Assured: Your safety is our top priority. All our headlights have passed all national safety standards (DOT/SAE/FMVSS-108), giving you the confidence and peace of mind you need while driving at night or in poor weather conditions.
🚚 Fast & Secure Shipping: Don't wait around for your new headlights! Our reliable shipping service ensures you get your parts quickly and safely, so you can enjoy your vehicle's improved visibility in no time!
🔒 Go-Parts' Unbeatable Guarantees:
💰 100% Money-Back Guarantee: We stand by the quality of our products. If you're not satisfied with your purchase, we'll give you a full refund, no questions asked!
🔄 90-Day Return Policy: Changed your mind or need a different product? No problem! With our generous 90-day return policy, you can return your headlights and get the perfect fit for your vehicle.
🏅 Limited Lifetime Warranty: We believe in our headlights, and we know you will too. That's why we offer a limited lifetime warranty on our products, giving you the assurance you need for a long-lasting, hassle-free investment.
Don't miss out on this opportunity to upgrade your vehicle's headlights with our high-quality, affordable parts.
Experience the Go-Parts difference today!

Owners of the Buick Rainier may encounter several common issues with their headlights. Over time, the headlight lenses can become cloudy or yellowed due to oxidation, reducing visibility during nighttime driving. Moisture or condensation inside the headlight assembly is another frequent problem, which can lead to diminished light output or electrical issues. Additionally, bulbs may burn out prematurely if there are underlying electrical faults or if inferior-quality replacements are used.
Regular maintenance can prolong the lifespan of your Buick Rainier's headlights and ensure optimal performance. Clean the headlight lenses periodically with a non-abrasive cleaner to remove dirt and grime. Applying a UV-resistant sealant can help prevent oxidation and yellowing of the lenses. Inspect the headlight assembly for cracks or damaged seals that could allow moisture ingress, and address any issues promptly. It's also recommended to replace headlight bulbs in pairs to maintain even illumination.
Installing new headlights on a Buick Rainier requires some basic tools and precautions. Begin by disconnecting the vehicle's battery to prevent any electrical shorts. Access the headlight assembly by opening the hood and locating the retaining screws or clips. Carefully remove the old headlight assembly or bulb, taking note of the wiring connections. Install the new headlight or bulb, ensuring all connections are secure and the assembly is properly seated. After installation, test the headlights to confirm they function correctly and adjust them if necessary for proper alignment.
Q: How do I adjust the headlights on my Buick Rainier?

    A: To adjust the headlights, locate the adjustment screws on the headlight assembly. Park the vehicle on a level surface facing a wall or garage door about 25 feet away. Turn on the headlights and use the adjustment screws to align the beams so they are at the appropriate height and center, ensuring optimal road illumination without blinding oncoming drivers.

Q: What causes condensation inside the headlight assembly?

    A: Condensation occurs when moisture enters the headlight assembly, often due to damaged seals, cracks, or missing covers. To resolve this, inspect the assembly for any signs of damage and replace faulty components. It's important to address condensation promptly to prevent electrical problems or bulb failure.

Q: Can I upgrade my Buick Rainier headlights to LED lights?

    A: Upgrading to LED headlights is possible and can offer improved brightness and energy efficiency. When considering an upgrade, ensure that the LED bulbs are compatible with the Buick Rainier's headlight housings and electrical system. Professional installation is recommended to maintain proper beam patterns and comply with local regulations.

Q: How often should I replace the headlight bulbs?

    A: Headlight bulbs typically last between 500 to 1,000 hours of use. If you notice dimming lights or one bulb has burned out, it's advisable to replace both bulbs simultaneously to ensure consistent light output and avoid uneven illumination.
Maintaining functional headlights is crucial for safe driving, especially at night or during adverse weather conditions. Regularly check that both headlights are operational and properly aligned. Faulty headlights not only reduce your visibility but can also make your vehicle less visible to others. Always use quality replacement parts designed for your Buick Rainier to ensure reliability and performance.
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