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  1. 2020 - 2025 Chevrolet (Chevy) Trailblazer Radiator
    2021-2024 CHEVROLET TRAILBLAZER: 1.2L OEM # 42771759
    , Partslink #: GM3010634
    $158.95

    In Stock

  2. 2020 - 2025 Chevrolet (Chevy) Trailblazer Radiator
    2021-2024 CHEVROLET TRAILBLAZER: 1.3L OEM # 42771761
    , Partslink #: GM3010635
    $136.95

    In Stock

  3. $166.95

    In Stock

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Welcome to Go-Parts,
Your Go-To Place for Auto Parts!
Are you looking for a high-quality, affordable radiator to keep your vehicle running cool and efficiently? You've come to the right place! Our radiators are designed to meet and exceed the performance of your vehicle's original equipment, ensuring the best possible driving experience for you and your loved ones.
💎 Why Choose Our Radiators?
🏆 OEM-Quality: Our aftermarket replacement radiators 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 radiator purchase!
🛠️ Reliable Performance: Our radiators are designed to keep your engine running cool and efficiently, preventing overheating and ensuring a smooth, reliable driving experience.
🚚 Fast & Secure Shipping: Don't wait around for your new radiator! Our reliable shipping service ensures you get your parts quickly and safely, so you can enjoy your vehicle's improved performance 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 radiator and get the perfect fit for your vehicle.
🏅 Limited Lifetime Warranty: We believe in our radiators, 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 radiator with our high-quality, affordable parts.
Experience the Go-Parts difference today!

The radiator is a crucial component of the Chevrolet Trailblazer's cooling system. It helps maintain the optimal engine temperature by transferring heat from the engine coolant to the air outside. By effectively dissipating heat, the radiator ensures the engine runs smoothly and prevents overheating, which can cause significant engine damage.
Common symptoms indicating radiator issues in a Chevrolet Trailblazer include:

Engine Overheating: A rising temperature gauge or warning light can signal radiator problems.
Coolant Leaks: Puddles of coolant under the vehicle suggest leaks in the radiator or connected hoses.
Low Coolant Levels: Frequent need to refill coolant may indicate a leak or radiator malfunction.
Discolored or Contaminated Coolant: Rusty or sludgy coolant can clog the radiator, reducing efficiency.
Steam or Odor: Steam from under the hood or a sweet smell may point to leaking coolant.
To keep the radiator and cooling system in top condition:

Regular Coolant Checks: Monitor coolant levels and top up with the recommended type as needed.
Inspect for Leaks: Regularly check under the vehicle and around the radiator for signs of leaks.
Coolant Flush: Follow the manufacturer's guidelines for flushing and replacing the coolant to prevent buildup.
Check Hoses and Connections: Examine radiator hoses for wear, cracks, or loose connections.
Clean the Radiator: Remove debris from the radiator fins to ensure proper airflow and cooling efficiency.
When installing a new radiator in your Trailblazer:

Safety First: Ensure the engine is completely cool before starting any work.
Drain the System Properly: Safely drain the old coolant into a suitable container for disposal.
Disconnect Components Carefully: Remove the radiator cap, hoses, and any mounting hardware methodically.
Position the New Radiator Correctly: Align it properly to avoid stressing hoses or connections.
Refill with Correct Coolant: Use the manufacturer-recommended coolant and mix ratio.
Bleed the Cooling System: Eliminate air pockets by bleeding the system after refilling.
Test for Leaks: Start the engine and let it reach operating temperature while checking for any leaks.
Q: What causes a radiator to fail in a Chevrolet Trailblazer?

    A: Radiator failure can result from corrosion, leaks, blockages due to sediment buildup, or physical damage from debris.

Q: How often should I service the radiator?

    A: It's recommended to inspect the radiator and cooling system at least once a year and perform a coolant flush as advised in the owner's manual.

Q: Can I replace the radiator myself?

    A: If you have mechanical experience and the proper tools, you can replace it yourself. Otherwise, it's best to consult a professional mechanic.

Q: What type of coolant is best for my Trailblazer?

    A: Use the coolant type specified by Chevrolet, typically found in the owner's manual or on the coolant reservoir cap.

Q: Is it safe to drive with a small radiator leak?

    A: Driving with any radiator leak is not recommended, as it can lead to engine overheating and more severe damage.
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