HYUNDAI 25400-S0500 Dct Cooler

( Manufacturer Part Number: 25400-S0500 ), ( Part Type: Cooler )

Review HYUNDAI Oem Replacement Dct Cooler fits ELANTRA

The **Hyundai 25400-S0500 Dual-Clutch Transmission (DCT) Cooler** is a high-performance, precision-engineered cooling solution specifically designed to maintain optimal operating temperatures for the advanced DCT system found in select Hyundai models, including the Elantra. Crafted from durable, high-grade materials, this cooler is built to withstand the rigorous demands of modern automotive transmissions, ensuring reliable performance and extended longevity. Its compact yet robust design integrates a robust aluminum core with a reinforced housing, providing superior heat dissipation while minimizing space constraints under the hood. The cooler s efficient serpentine flow pattern maximizes coolant circulation, preventing overheating and reducing the risk of transmission failure, particularly during high-load driving conditions or prolonged use in extreme climates. Engineered to meet Hyundai s stringent quality standards, this cooler features a secure, leak-proof connection system with reinforced fittings, ensuring a tight seal that resists vibration and pressure fluctuations. Whether installed in a standard or high-performance application, the 25400-S0500 DCT Cooler delivers consistent thermal management, helping to preserve the efficiency and durability of the transmission fluid and internal components. Ideal for both original equipment replacement and aftermarket upgrades, this cooler is a critical component for maintaining the peak performance and reliability of Hyundai s advanced DCT-equipped vehicles.

The Hyundai 25400-S0500 DCT Cooler is designed for the Hyundai Genesis and Kia K7, but it can also be used in some aftermarket applications, including modifications for the Hyundai Elantra, particularly those with dual-clutch transmission (DCT) setups. Below is a detailed breakdown of its pros and cons when considering it for an Elantra, followed by a conclusion and recommendation.

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1. **Compatibility with DCT Systems:** The cooler is specifically designed for dual-clutch transmissions, which are more common in newer Hyundai models like the Elantra (especially the 2018 models with the 7-speed DCT). DCT transmissions generate more heat than traditional automatic transmissions due to their complex clutch operation, making a dedicated cooler beneficial.

2. **Improved Transmission Longevity:** By dissipating heat more efficiently, the cooler helps prevent overheating, which can degrade transmission fluid and internal components over time. This can extend the lifespan of the transmission, reducing the risk of costly repairs.

3. **Better Performance Under Load:** In high-performance or modified Elantras (e.g., those with forced induction or aggressive driving habits), the transmission operates harder and generates more heat. The cooler ensures the fluid remains within optimal temperature ranges, improving performance and reliability.

4. **OEM-Quality Fit:** The 25400-S0500 is an OEM part for certain Hyundai/Kia models, meaning it is built to the same standards as the factory cooler. This ensures a reliable and durable solution without sacrificing quality.

5. **Easy Installation:** The cooler is designed to fit standard transmission cooling systems, and Hyundai/Kia parts are generally straightforward to install, especially with the right tools and instructions. Many aftermarket kits include mounting hardware and hoses for compatibility with non-OEM vehicles like the Elantra.

6. **Prevents Fluid Breakdown:** Heat accelerates the breakdown of transmission fluid, leading to poor lubrication and increased wear. The cooler helps maintain fluid integrity, reducing the need for frequent fluid changes.

7. **Potential for Upgraded Cooling:** If you plan to further modify your Elantra (e.g., adding a larger radiator or upgrading the cooling system), this cooler can serve as a solid foundation for an enhanced setup.

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1. **Not Directly OEM for Elantra:** While the cooler is designed for DCT-equipped Hyundai/Kia vehicles, the Elantra does not use this exact part in its standard configuration. This means you may need to source additional adapters, hoses, or mounting brackets to integrate it properly. Some aftermarket kits or custom fabrication may be required.

2. **Space Constraints:** The Elantra s engine bay is more compact than that of a Genesis or K7, which could make installation challenging. You may need to modify or reposition components (e.g., the radiator, intercooler, or other under-hood parts) to accommodate the cooler. This could require additional labor or custom work.

3. **Cost:** While the cooler itself is reasonably priced (typically around $100 $150), the additional costs of adapters, hoses, mounting hardware, and labor for installation could add up. If you re not comfortable with DIY work, professional installation may be necessary, increasing the total expense.

4. **Potential for Overcooling:** In some cases, excessive cooling can lead to condensation or fluid viscosity issues, especially if the transmission fluid is not properly matched to the cooler s performance. This is less common but worth considering if you re running a heavily modified cooling system.

5. **Limited Aftermarket Support:** Unlike radiators or intercoolers, DCT coolers are not as commonly discussed in aftermarket forums for the Elantra. This means you may have to rely more on general transmission cooling principles or Hyundai/Kia-specific resources, which could be less tailored to your vehicle.

6. **Warranty Concerns:** If you re unsure about the installation process or compatibility, modifying your Elantra s cooling system could void warranty coverage for the transmission or related components. Always check with Hyundai before proceeding with aftermarket modifications.

7. **Alternative Solutions May Exist:** Depending on your Elantra s specific DCT setup, you might find that a smaller, more Elantra-specific cooler or an aftermarket transmission cooler designed for compact cars could be a better fit. These alternatives might be easier to install and more space-efficient.

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The Hyundai 25400-S0500 DCT Cooler is a viable option for Elantra owners with a DCT transmission, particularly those who prioritize longevity, performance, or modifications that increase transmission heat. Its OEM-quality design and compatibility with DCT systems make it a strong choice for preventing overheating and fluid degradation. However, the lack of direct OEM fitment for the Elantra, potential installation challenges, and additional costs for adapters or labor are significant drawbacks. If you re comfortable with aftermarket modifications and have the space to integrate it properly, the cooler can be an excellent upgrade. For those who prefer a simpler or more Elantra-specific solution, exploring smaller aftermarket coolers or consulting with a transmission specialist may be worth considering.

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If you re certain about modifying your Elantra s cooling system and have the mechanical skills or access to a professional to handle the installation, the Hyundai 25400-S0500 DCT Cooler is a solid investment, especially if you drive aggressively, use forced induction, or plan to keep the vehicle long-term. Pair it with high-quality transmission fluid (e.g., Hyundai Type T IV or a synthetic alternative) and ensure the installation includes proper hoses, mounting, and cooling system integration.

For a more straightforward approach, research aftermarket transmission coolers specifically designed for compact cars or consult with a Hyundai specialist to confirm compatibility. If you re unsure about the installation process, consider starting with a smaller cooler or upgrading your existing cooling system incrementally. Always prioritize proper fluid maintenance and monitor transmission temperatures to ensure the cooler is functioning as intended.

Details:

OEM Hyundai DCT cooler for all Elantra N 2.0T AT.

part #: 25400s0500 prices

• $424.30-$534.00

specifications accperformanc:

• for models: Elantra
• for makes: Hyundai
• mpn: 25400-s0500
• part type: Cooler

returns accperformanc:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

general accperformanc:

• condition: New
• Parts Accessories > Permance Racing Parts > Accessories

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• type: Calculated
• class: Expedited
• service: USPS Priority Mail Large Flat Rate Box
• transit: 3-5 Days
• carrier: USPS
• cost: $27.76

offer accperformanc:

• quantity: 1
• options: Ship-to-home
• started: June 7, 2026
• sold: 0
• availability: In Stock

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• city: Milford, Connecticut
• rating: 100.0%
• # reviews: 2965

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• credit card: Diners-club
• wallet: Apple-pay

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