OEM-Equivalent Quality Parts certified

OEM-Equivalent Quality Parts

4.5-Star Customer Rated certified

4.5-Star Customer Rated

Western Star Radiators for Sale

Explore Western Star radiator cores built for heavy-duty trucking applications, sourced from an inventory of 430+ direct-fit replacement cores. These aftermarket cooling components support Western Star engines alongside Kenworth, Peterbilt, Freightliner, and Mack platforms, delivering OEM-equivalent performance for fleet maintenance, repair shops, and equipment dealers nationwide.

Our Range of Products

Radiator Cores Collection

Radiator Cores Collection

  • Covers 430+ SKUs across top OEM brands
  • Direct-fit cores for heavy-duty trucks
  • Fits fire trucks, forestry & farm gear

Frequently Asked Questions

What Western Star models are compatible with these radiator cores?

Our inventory includes direct-fit radiator cores engineered for Western Star heavy-duty trucks across multiple engine configurations. Because fitment varies by chassis and engine combination, we recommend providing your VIN or model number when ordering so our team can confirm the exact core specifications match your truck's cooling system requirements.

How much do Western Star radiator cores cost?

Are these radiator cores OEM or aftermarket?

Do you offer other cooling components besides radiator cores?

How do I know if a radiator core will fit my Western Star truck?

Do you ship Western Star radiator cores nationwide?

What is the lead time for ordering a radiator core?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Commercial Trucking & Fleet Operations

Commercial Trucking & Fleet Operations

Direct-fit Western Star radiator cores keep semi-trucks running cool during long-haul and regional freight operations.

Construction & Heavy Machinery

Construction & Heavy Machinery

Heavy-duty radiator cores support cooling systems in construction equipment operating in demanding job site conditions.

Power Generation

Power Generation

Radiator cores support generator set cooling systems used in industrial and standby power applications.

Forestry & Logging

Forestry & Logging

Rugged radiator cores keep forestry and logging equipment engines cool under continuous heavy-duty operation.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Heavy-Duty Trucking Fleets Choose Radiator Supply House

Extensive Western Star Inventory

Access 430+ radiator cores covering Western Star and other major OEM brands for fast, direct-fit replacements.

Hard-to-Find Parts Sourcing

We locate rare and discontinued radiator cores for specialized trucking, construction, and industrial equipment applications.

Complete Cooling System Solutions

Beyond radiators, we supply oil coolers, aftercoolers, and full cooling packages engineered for heavy-duty performance.

Need a Western Star Radiator? Get Your Quote Today

Share your Western Star model or engine details and our team will help you find the right radiator core with fast turnaround.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 877-615-3002.