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  3. FREIGHTLINER 2598639

FREIGHTLINER 2598639 Cascadia Cooling Ataac 126

fits make: Freightliner. year: 2021.

3903026 Freightliner 2598639 Cascadia 126 Cooling Assembly Rad Cond Ataac

( Manufacturer Part Number: 2598639 ), ( Part Type: Cooling Assembly )

Review FREIGHTLINER Cascadia 126 Cooling Assembly Rad Cond Ataac fits 2021

The Freightliner Cascadia 126 with the factory serial number 2598639 is a heavy-duty tractor unit designed for long-haul and regional hauling applications. This specific model comes equipped with a 126-inch BBC (Bumper to Back of Cab) and features a Caterpillar C16 engine, which delivers an impressive power output of 510 horsepower at 1800 RPM and 1850 lb-ft of torque at 1300 RPM.

The Freightliner Cascadia 126 is renowned for its aerodynamic design, which significantly reduces wind resistance and improves fuel efficiency. The cooling system on this particular unit is a RTAAC (Roof-Mounted Air-to-Air Aftercooler) configuration. This system utilizes ambient air to cool the engine's charge air, increasing the density of the air charge, allowing the engine to produce more power while also reducing exhaust emissions.

The Cascadia 126 comes standard with a number of advanced features to enhance driver comfort and productivity. These include the Detroit Assurance 5.0 safety system, which includes features such as adaptive cruise control, collision mitigation, lane departure warning, and electronic stability control. The cab interior is spacious, with ample legroom, headroom, and storage space. It also comes equipped with a touchscreen infotainment system, which provides access to navigation, entertainment, and climate control functions.

The Freightliner Cascadia 126 also boasts a robust drivetrain, with a 13-speed automated manual transmission (AMT) and a Meritor front axle rated at 36,000 lbs. The suspension system is a Hendrickson HAS-3 air suspension, which offers excellent ride quality and handling, making this truck a comfortable and capable choice for long hauls.

This specific unit, with the factory serial number 2598639, has a Gross Vehicle Weight Rating (GVWR) of 80,000 lbs and comes with an assortment of factory-installed options, such as a rear air deflector, a chrome bumper, and a fuel tank capacity of 315 gallons. The Freightliner Cascadia 126 with serial number 2598639 is an excellent choice for those looking for a powerful, efficient, and comfortable heavy-duty tractor unit for their hauling needs.

The Freightliner Cascadia 126 with cooling system part number 2598639 is a popular choice for those in the trucking industry due to its advanced features and fuel efficiency. Here are some pros and cons of buying this specific model with the given cooling system:

Pros:

1. Fuel Efficiency: The Freightliner Cascadia 126 is known for its excellent fuel economy. This is due in part to its aerodynamic design and advanced engine technology.

2. Reliability: Freightliner trucks are known for their durability and reliability. The Cascadia 126 is no exception, with a robust cooling system that helps ensure the engine stays at optimal temperatures.

3. Advanced Technology: The Cascadia 126 comes with a range of advanced features, including a driver information center, electronic stability control, and optional automated manual transmission.

4. Comfortable Cab: The cab of the Cascadia 126 is spacious and comfortable, making long hours on the road more bearable for drivers.

5. Reduced Maintenance: The advanced technology of the Cascadia 126 can help reduce maintenance costs in the long run.

Cons:

1. Initial Cost: The Freightliner Cascadia 126 is a higher-end truck, and the initial cost can be quite high.

2. Complexity: The advanced technology of the Cascadia 126 can make it more complex to maintain and repair than some other trucks.

3. Limited Customization: While the Cascadia 126 comes with a range of standard features, there may be some customization options that are not available.

4. Size: The size of the Cascadia 126 may make it less suitable for certain applications or driving conditions, such as narrow roads or tight parking spaces.

Conclusion:

The Freightliner Cascadia 126 with cooling system part number 2598639 is a high-performance, reliable, and fuel-efficient truck that is well-suited for long-haul applications. Its advanced technology and comfortable cab make it an excellent choice for professional drivers. However, the initial cost and potential complexity of maintenance may be a drawback for some buyers. Ultimately, the decision to purchase this model depends on individual needs and budget.

Recommendation:

If you are in the market for a high-performance, fuel-efficient, and reliable truck for long-haul applications, the Freightliner Cascadia 126 with cooling system part number 2598639 is an excellent choice. However, be prepared for the initial cost and potential complexity of maintenance. Consider the truck's features and benefits carefully and weigh them against your specific needs and budget before making a final decision.

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specifications coenginecooling:

  • for makes: Freightliner
  • for years: 2021
  • mpn: 2598639
  • part type: Cooling Assembly

payments coenginecooling:

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  • cost: $0.00
  • type: Fixed
  • service: Flat Rate Freight
  • class: Freight

offer coenginecooling:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock
  • started: January 19, 2026

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

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  • condition: Used
  • Commercial Truck Parts > Engine Cooling > Radiators

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  • # reviews: 9031
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  • rating: 98.7%
for makes: freightliner, for years: 2021, part type: cooling assembly,
manufacturer: freightliner, category: auto parts > commercial truck parts > engine cooling > radiators, sku: 9113235730199611,
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