WRCRAD 346Y-1-US Radiator International Harvester 7300 7400 7500 7600 7700

( Brand: Wrcrad ), ( Manufacturer Part Number: 346Y-1-US ), ( Items Included: Cap, Radiator ), ( Outlet Diameter: 2.56 ), ( Material: Aluminum ), ( Item Length: 46.85 ), ( Vintage Part: Yes ), ( Placement On Vehicle: Engine Compartment ), ( California Prop 65 Warning: Please Feel Free To Contact Us By Message If You Have Any Questions, Our Customer Service Will Reply Within One Business Day. ), ( Type: Radiator ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 5.51 ), ( Features: 100 Leak Tested ), ( Country Of Origin: China ), ( Item Width: 26.38 )

Review WRCRAD Radiator For International Harvester 7500 Truck fits 2003–2007

Introducing the WRC Rad 346Y-1-US radiator, an exceptional cooling solution engineered specifically for International Harvester 7300, 7400, 7500, 7600, and 7700 models produced between 2003 and 2007. This radiator is a direct replacement, ensuring a seamless fit and function in your heavy-duty vehicle.

The WRC Rad 346Y-1-US radiator boasts a robust and durable design with a heavy-gauge aluminum core. Its 3-row cooling configuration delivers superior cooling efficiency by increasing the surface area for heat exchange, making it perfectly suited for the demanding operating conditions of your International Harvester.

Thick, sturdy tanks are engineered with corrosion-resistant materials to protect against the harsh elements and ensure longevity. The tanks are also equipped with pressure testing ports for easy inspection and maintenance.

The top and bottom tanks are joined by a secure, leak-resistant gasket that seals the system effectively, preventing coolant loss and maintaining optimal engine temperature. The radiator also features a large capacity, allowing for an adequate cooling reserve during heavy workloads.

Additionally, the WRC Rad 346Y-1-US radiator comes with pre-installed threaded inlets and outlets, allowing for quick and easy installation. It is also compatible with the factory hoses for a hassle-free transition.

In summary, the WRC Rad 346Y-1-US radiator is an excellent choice for International Harvester 7300, 7400, 7500, 7600, and 7700 owners seeking a high-performance, durable cooling solution for their heavy-duty vehicles. Its robust design, efficient cooling capabilities, and ease of installation make it a top pick for those who demand the best from their equipment.

The WRCRA D346Y-1-US radiator is a popular aftermarket option for International Harvester 7300, 7400, 7500, 7600, and 7700 models produced between 2003 and 2007. This radiator comes with several advantages and disadvantages that are essential to consider before making a purchase.

1. Durability: The WRCRA D346Y-1-US radiator is known for its high-quality materials and robust construction, making it a reliable option for heavy-duty applications.

2. Improved Cooling Efficiency: This radiator offers increased cooling capacity compared to the OEM radiator, ensuring optimal engine performance under heavy loads and extreme temperatures.

3. Enhanced Corrosion Resistance: The radiator is coated with a protective layer, reducing the risk of rust and extending its lifespan in harsh environments.

4. Easy Installation: The WRCRA D346Y-1-US radiator is designed to fit seamlessly into the original mounting locations, making the installation process straightforward and hassle-free.

1. Cost: This aftermarket radiator may be more expensive than the OEM alternative, which could be a significant consideration for some buyers.

2. Potential Size Difference: While the WRCRA D346Y-1-US radiator is generally designed to be a direct fit, there might be slight size differences that require minor modifications during installation.

3. Lack of OEM Warranty: Since this is an aftermarket part, it doesn't come with the same warranty coverage as an OEM radiator, which could be a concern for some buyers.

The WRCRA D346Y-1-US radiator offers several advantages, including improved cooling efficiency, durability, and enhanced corrosion resistance. However, it may come with a higher cost and potential size differences compared to the OEM alternative. Ultimately, the decision to purchase this aftermarket radiator depends on your budget, installation experience, and the importance you place on cooling efficiency and durability in your International Harvester application.

If you prioritize cooling efficiency, durability, and are willing to pay a premium for these benefits, the WRCRA D346Y-1-US radiator is a solid choice. However, if you have a limited budget or prefer the peace of mind that comes with an OEM warranty, you might want to consider the stock radiator or explore other aftermarket options that better fit your needs and budget.

Details:

Designed serviced by WRCRAD. All-Aluminum Construction: Lightweight and corrosion-resistant, outlasts copper/plastic stock radiators. We manufacture aluminum radiators, silicone hoses, fans, heaters, and more. Direct Fit: Bolt-on installation, no modifications needed.

This part is an aftermarket replacement, not OEM product. 100% Factory Tested: Each unit passes pressure test - zero leaks guaranteed. All vehicle names are used for compatibility reference only.

part #: 346y1 prices

• $124.00-$377.00

specifications radiatoranch:

• for years: 2003-2007
• brand: Wrcrad
• mpn: 346y-1-us
• items included: Cap, Radiator
• outlet diameter: 2.56
• material: Aluminum
• item length: 46.85
• vintage part: Yes
• placement on vehicle: Engine Compartment
• california prop 65 warning: Please Feel Free To Contact Us By Message If You Have Any Questions, Our Customer Service Will Reply Within One Business Day.
• type: Radiator
• manufacturer warranty: 1 Year
• item height: 5.51
• features: 100 Leak Tested
• country of origin: China
• item width: 26.38

returns radiatoranch:

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

offer radiatoranch:

• options: Ship-to-home
• started: May 27, 2026
• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0

payments radiatoranch:

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

shipping radiatoranch:

• class: Economy
• service: Economy
• transit: 4-8 Days
• type: Fixed
• cost: $0.00

seller radiatoranch:

• rating: 100.0%
• city: ana, California
• # reviews: 23

general radiatoranch:

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

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