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  3. SOILLAR 8E0121251AB

SOILLAR 8E0121251AB Radiator Transmission Oil Cooler 4.2L

fits model: S4. make: Audi. year: 2004–2009.

8e0121251ab Soillar Radiator With Transmission Oil Cooler For Audi S4 4.2l 2004-2009

( Brand: Soillar ), ( Manufacturer Part Number: 8E0121251AB ), ( Type: Radiator ), ( Material: Aluminum Plastic ), ( Features: Crossflow Radiator ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Fitment: For Audi ), ( Engine: V8 4.2l ), ( Number In Pack: 1pcs ), ( Engine Oil Cooler Included: No ), ( Transmission Oil Cooler Included: Yes )

Review SOILLAR Radiator Transmission Oil Cooler For Audi 4.2l fits S4 2004–2009

Introducing the SOILLAR 8E0121251AB Radiator Transmission Oil Cooler, specifically designed for Audi S4 models with a 4.2L engine and manufactured between the years 2004 and 2009. This high-performance cooler is an essential upgrade for those seeking improved engine cooling and enhanced durability.

The SOILLAR 8E0121251AB cooler boasts a robust construction, featuring a high-quality aluminum core that ensures efficient heat dissipation. Its multi-row, compact design allows for maximum cooling capacity in a compact package, making it an ideal fit for the limited space under the hood of your Audi S4.

This cooler comes equipped with advanced technologies, such as a pressure tested, brazed aluminum core and thicker, reinforced tubes. These features help prevent leaks and ensure long-lasting performance, even under the most demanding driving conditions.

The SOILLAR 8E0121251AB radiator transmission oil cooler is also designed with OEM-style inlet and outlet connections, making installation a breeze. It is fully compatible with the factory cooling system, requiring no modifications to your vehicle.

Additionally, this cooler is coated with a durable powder-coated finish to protect against corrosion, ensuring that it maintains its appearance and functionality for years to come. The sleek design not only enhances the visual appeal of your Audi S4 but also contributes to its overall cooling performance.

In conclusion, the SOILLAR 8E0121251AB Radiator Transmission Oil Cooler is a must-have upgrade for Audi S4 owners with 4.2L engines from 2004 to 2009. Its superior construction, advanced technologies, and easy installation process make it an excellent choice for those seeking improved engine cooling and enhanced durability. Upgrade your vehicle today with the SOILLAR 8E0121251AB radiator transmission oil cooler and experience the difference for yourself.

The Solar 8E0121251AB radiator transmission oil cooler is a part designed to enhance the cooling capacity of the Audi S4 4.2L's (2004-2009) engine by improving the cooling efficiency of the transmission oil. Below are some potential pros and cons of purchasing this specific cooler.

Pros:

1. Enhanced cooling: The Solar 8E0121251AB cooler is designed to provide better cooling for the transmission oil, which can reduce the temperature under heavy load or during high-speed driving. This can help prolong the life of the transmission by reducing the wear and tear caused by excessive heat.

2. Improved performance: By maintaining a consistent temperature for the transmission oil, the Solar cooler can help improve the overall performance of the Audi S4. This can result in better acceleration, smoother shifting, and improved fuel efficiency.

3. OEM quality: The Solar 8E0121251AB cooler is an original equipment manufacturer (OEM) replacement part, which means it is made to the same specifications as the original part. This can ensure a perfect fit and optimal performance.

4. Easy installation: The cooler comes with all the necessary hardware for installation, making it a relatively straightforward process for most DIY enthusiasts or professional mechanics.

Cons:

1. Cost: The Solar 8E0121251AB cooler may be more expensive than some aftermarket alternatives. However, the added benefits of OEM quality and improved performance may justify the cost for some Audi S4 owners.

2. Availability: Depending on the location and availability, the Solar cooler may be more challenging to find than some aftermarket alternatives. It may be necessary to order it online or from a specialty parts supplier.

In conclusion, the Solar 8E0121251AB radiator transmission oil cooler for the Audi S4 4.2L (2004-2009) offers several benefits, including enhanced cooling, improved performance, OEM quality, and easy installation. However, it may be more expensive than some aftermarket alternatives and slightly more challenging to find. Ultimately, the decision to purchase this cooler depends on the individual's priorities and budget.

Recommendation:

If you are an Audi S4 owner looking to improve the cooling system's efficiency and maintain optimal performance, the Solar 8E0121251AB radiator transmission oil cooler is an excellent choice. Its OEM quality and improved cooling capabilities make it a worthwhile investment for those who value performance and durability. However, if cost is a significant concern, it may be worth considering aftermarket alternatives. Ultimately, it is essential to weigh the pros and cons and make an informed decision based on your specific needs and priorities.

Details:

Engine Oil Cooler Included: No. Engine Coolant Radiator Assembly X1. Applicable model's. For Audi S4 2004 2009 4.2L.

For 8E0121251AB,8E0121251AJ,8E0121251AC. Transmission Oil Cooler Included:Yes. Package Content. Radiator with Transmission Oil Cooler For Audi S4 4.2L 8E0121251AB 2004 2009 Details.

specifications radiatoranch:

  • for models: S4
  • for makes: Audi
  • for years: 2004-2009
  • brand: Soillar
  • mpn: 8e0121251ab
  • type: Radiator
  • material: Aluminum Plastic
  • features: Crossflow Radiator
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • fitment: For Audi
  • engine: V8 4.2l
  • number in pack: 1pcs
  • engine oil cooler included: No
  • transmission oil cooler included: Yes

general radiatoranch:

  • Car Truck Parts Accessories > Engine Cooling Components > Radiators
  • condition: New

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  • type: Fixed
  • cost: $0.00
  • transit: 3-7 Days
  • carrier: USPS, UPS

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  • policy: Returns Accepted
  • paid by: Seller

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  • # reviews: 29
  • city: Walnut,CA,Florence,KY,Houston,TX
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  • started: November 21, 2025
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for models: s4, for makes: audi, for years: 2004-2009, type: radiator, features: crossflow radiator, manufacturer warranty: 1 year, fitment type: direct replacement, fitment: for audi, engine: v8 4.2l, number in pack: 1pcs, engine oil cooler included: no, transmission oil cooler included: yes,
category: auto parts > car truck parts accessories > engine cooling components > radiators, material: aluminum plastic, sku: 10264379902439753,

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