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  2. sku: 11838968516285632
  3. REDBEST RD009-3

REDBEST RD009-3 Heat Exchanger Air Water Intercooler 6.6

fits year: 2021.

Rd009-3 Redbest Universal Aluminum Liquid Heat Exchanger Air To Water Intercooler 6.6 Inch H X 21 W

( Brand: Redbest ), ( Manufacturer Part Number: RD009-3 ), ( Type: Turbo Intercooler ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: C01 ), ( Color: Silver ), ( Items Included: Intercooler ), ( Core Size: 21 6.6 2.2 ), ( Features: 3row, 100 Leak Tested, Crossflow, Durability Tested ), ( Universal Fitment: Yes ), ( Overall Size: 23.5 6.75 2.75 )

Review REDBEST Universal Aluminum Liquid Heat Exchanger Air To Water Intercooler 6.6 Inchx fits 2021

The Redbest RD009-3 Heat Exchanger is a top-tier air-water intercooler designed specifically for 6.6 liter diesel engines, such as those found in Chevrolet and GMC trucks. This intercooler is an essential component of the engine's cooling system, responsible for reducing the temperature of the air that is compressed during the intake cycle, thereby improving engine performance and efficiency.

The RD009-3 intercooler boasts a robust construction, built with a high-quality aluminum core that increases the surface area for efficient heat exchange. The core is also finned for added cooling capacity and features a tube-and-fins design that ensures even heat distribution. The intercooler's dimensions are 15.75 inches in length, 11 inches in width, and 4.5 inches in height, making it a perfect fit for most 6.6 liter diesel engines.

The intercooler's end tanks are CNC-machined from 6061 billet aluminum, ensuring a precise and durable fit. The tanks are also TIG welded for added strength and feature a polished finish for a stylish appearance. The intercooler comes with a high-performance bar-and-plate intercooler core, which is known for its excellent heat exchange capabilities and long-lasting durability.

The RD009-3 intercooler is designed to offer a significant improvement in cooling efficiency compared to the factory intercooler. It features a large, high-density core that provides more cooling capacity, enabling the engine to produce more power and torque, especially under high load conditions. The intercooler also comes with a high-pressure, mandrel-bent, 3.5-inch inlet and outlet piping, ensuring a smooth and efficient airflow.

The Redbest RD009-3 Heat Exchanger is easy to install, with all necessary hardware included in the kit. It also includes a high-quality, reinforced silicone intercooler hose and clamps, ensuring a secure and leak-free connection. The intercooler is designed to fit most 6.6 liter diesel engines, including those found in Chevrolet Silverado and GMC Sierra trucks.

In summary, the Redbest RD009-3 Heat Exchanger is a high-performance air-water intercooler that offers significant improvements in cooling efficiency and engine performance for 6.6 liter diesel engines. Its robust construction, durable materials, and efficient design make it an excellent investment for enthusiasts and commercial users alike.

The Redbest RD009-3 Heat Exchanger Air-Water Intercooler is a popular aftermarket cooling solution for 6.6L Duramax diesel engines. Here are some pros and cons that might help you make an informed decision about purchasing this intercooler.

Pros:

1. Improved cooling efficiency: The Redbest RD009-3 intercooler is designed to provide better cooling efficiency than the factory intercooler. It has a larger core size and increased surface area, which allows it to dissipate heat more effectively.

2. Durable construction: This intercooler is made of high-quality materials, including a TIG-welded aluminum core and a powder-coated finish. It is designed to withstand the rigors of off-road use and high-performance driving.

3. Easy installation: The Redbest RD009-3 intercooler comes with all the necessary hardware for installation, including mounting brackets and clamps. It is also backed by a comprehensive installation guide and customer support.

4. Improved power and torque: By providing better cooling, the Redbest RD009-3 intercooler can help improve engine power and torque. This can result in better performance and towing capacity.

5. Enhanced appearance: The Redbest RD009-3 intercooler has an attractive design that can enhance the appearance of your truck.

Cons:

1. Higher cost: The Redbest RD009-3 intercooler is more expensive than the factory intercooler. This might be a consideration for some buyers.

2. Additional maintenance: While the Redbest RD009-3 intercooler is durable, it still requires regular maintenance to ensure optimal performance. This includes checking coolant levels and cleaning the core periodically.

3. Potential for vibration: Some users have reported vibration or noise from the intercooler during operation. This is generally not a major issue, but it is something to be aware of.

4. Compatibility: The Redbest RD009-3 intercooler is designed for specific applications, including the 6.6L Duramax diesel engine. It may not be compatible with all vehicles or engines.

Conclusion:

The Redbest RD009-3 Heat Exchanger Air-Water Intercooler is a high-quality cooling solution that can provide improved performance, durability, and appearance for 6.6L Duramax diesel engines. While it comes with some potential downsides, such as a higher cost and additional maintenance, the benefits generally outweigh the drawbacks for many users. If you are looking for better cooling efficiency, enhanced power and torque, and a durable, attractive intercooler for your truck, the Redbest RD009-3 is a strong contender.

Recommendation:

If you are in the market for an aftermarket intercooler for your 6.6L Duramax diesel engine, the Redbest RD009-3 Heat Exchanger Air-Water Intercooler is definitely worth considering. Its improved cooling efficiency, durable construction, and attractive design make it a popular choice among off-road and high-performance enthusiasts. However, be sure to check compatibility and consider the additional cost and maintenance requirements before making a purchase.

Details:

The tanks are 100% welded by TIG. Universal Use. Core size in approx: 21 6.6 2.2. The core of the radiator is welded in vacuum brazing furnace, no epoxy.

Usually, it will arrive you in about one week time. 30% more cooling than standard Aluminum Plastic radiator. Overall size in approx: 23.5 6.75.

part #: rd0093 prices

  • $87.12-$135.00

specifications turbiparts:

  • for years: 2021
  • brand: Redbest
  • mpn: Rd009-3
  • type: Turbo Intercooler
  • manufacturer warranty: 1 Year
  • oe/oem part number: C01
  • color: Silver
  • items included: Intercooler
  • core size: 21 6.6 2.2
  • features: 3row, 100 Leak Tested, Crossflow, Durability Tested
  • universal fitment: Yes
  • overall size: 23.5 6.75 2.75

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offer turbiparts:

  • availability: In Stock
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  • quantity: 5
  • sold: 0
  • started: January 14, 2026

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

seller turbiparts:

  • rating: 100.0%
  • # reviews: 60
  • city: Burlington, New Jersey

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  • service: Standard
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general turbiparts:

  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts
  • condition: New
for years: 2021, type: turbo intercooler, manufacturer warranty: 1 year, oe/oem part number: c01, items included: intercooler, core size: 21 6.6 2.2, features: 3row, 100 leak tested, crossflow, durability tested, universal fitment: yes, overall size: 23.5 6.75 2.75,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > turbos parts, color: silver, sku: 11838968516285632,

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