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  1. Radiator Assembly for 1999 - 2004 Mercedes Benz CLK430, 2025007803, Replacement
    1999-2003 MERCEDES-BENZ CLK430: all OEM # 202 500 78 03
    , Partslink #: MB3010138
    $196.95

    In Stock

  • Highest Quality Parts
  • 100% Guaranteed
  • 90-Day Free Returns
  • Limited Lifetime Warranty
  • No Restocking Fees
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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 critical component of your Mercedes-Benz CLK430's cooling system. It plays a vital role in regulating the engine's temperature by dissipating heat generated during operation. A well-functioning radiator helps maintain optimal performance and prevents engine overheating, which can lead to significant damage.
Identifying issues with your radiator early can save you from costly repairs. Common symptoms of a failing radiator include:

Engine Overheating: An overheating engine is a clear sign that the radiator may not be effectively cooling the system.
Coolant Leaks: Visible puddles of coolant under the vehicle or low coolant levels can indicate a leak in the radiator.
Discolored Coolant: Rusty or sludgy coolant can suggest internal corrosion or contamination within the radiator.
Damaged Radiator Fins: Bent or corroded fins reduce airflow and hinder the radiator's ability to dissipate heat.
Steam from the Engine Bay: Steam or a sweet smell coming from under the hood may signal a coolant leak or overheating issue.
Proper maintenance of your radiator ensures longevity and efficient cooling. Here are some tips:

Regular Coolant Flushes: Flushing the cooling system and replacing the coolant according to the manufacturer's schedule prevents corrosion and buildup.
Inspect Hoses and Clamps: Check for any signs of wear, cracks, or leaks in hoses and ensure clamps are secure.
Clean the Radiator Exterior: Remove debris, such as leaves or bugs, from the radiator grille to maintain proper airflow.
Monitor Coolant Levels: Regularly check the coolant reservoir and top up with the recommended coolant mixture if necessary.
Use the Correct Coolant: Always use the coolant type specified for your CLK430 to ensure compatibility and optimal performance.
Replacing the radiator in your Mercedes-Benz CLK430 requires careful attention. Consider these installation tips:

Safety First: Allow the engine to cool completely before beginning any work to prevent burns from hot coolant or components.
Drain the Cooling System: Properly drain the coolant into a suitable container for disposal or reuse.
Disconnect Battery: Remove the negative battery terminal to prevent electrical shorts.
Label Connections: Tag hoses and connectors to ensure correct reinstallation.
Inspect Related Components: Check the condition of the thermostat, hoses, and belts while the radiator is removed.
Follow Manufacturer Guidelines: Adhere to the recommended procedures and torque specifications provided by Mercedes-Benz.
Q: How do I know if my radiator needs to be replaced?

    A: Signs such as consistent engine overheating, frequent coolant leaks, or noticeable damage to the radiator may indicate it's time for a replacement.

Q: Can I replace the radiator myself?

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

Q: What type of coolant is recommended for the CLK430?

    A: Mercedes-Benz specifies using a high-quality, ethylene glycol-based coolant with corrosion inhibitors designed for aluminum engines. Check your owner's manual for the exact specification.

Q: How often should I flush the radiator coolant?

    A: It's recommended to flush and replace the coolant every 30,000 miles or every 3 years, whichever comes first, but always refer to your vehicle's maintenance schedule.

Q: Is it normal for the radiator to make noise?

    A: No, unusual noises like hissing or gurgling can indicate air in the cooling system or internal blockages within the radiator.
Investing in a high-quality radiator for your Mercedes-Benz CLK430 offers several advantages:

Enhanced Cooling Efficiency: Superior materials and construction improve heat dissipation.
Longevity: Durable radiators resist corrosion and wear, extending the lifespan of your cooling system.
Optimal Performance: Maintains the engine at the ideal operating temperature for better performance and fuel efficiency.
Reduced Maintenance Costs: A reliable radiator minimizes the risk of overheating and related engine damage.
Maintaining the radiator in your Mercedes-Benz CLK430 is essential for ensuring the vehicle runs smoothly and efficiently. Recognizing the signs of a faulty radiator, performing regular maintenance, and following proper installation procedures can prevent costly repairs and prolong the life of your engine. Always consult your owner's manual or a professional mechanic for guidance specific to your vehicle.
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