OEM-Equivalent Quality Standards certified

OEM-Equivalent Quality Standards

ICEBOX Replacement Parts Program certified

ICEBOX Replacement Parts Program

4 Column Cast Iron Radiators

Radiator Supply House's 4 Column Cast Iron Radiators are heavy-duty cooling cores engineered for demanding industrial, trucking, construction, and power generation equipment. Built with rugged cast iron construction for superior heat dissipation and durability, these radiators serve as reliable OEM-equivalent replacements across generators, compressors, heavy trucks, and off-road machinery nationwide.

Our Range of Products

Cummins DQGAA, DQGAB, QSK50-G4 Cooling Package

Cummins DQGAA, DQGAB, QSK50-G4 Cooling Package

  • Complete cooling package for QSK50-G4 engines
  • Built for demanding oilfield & frac operations
  • Direct add-to-cart fast procurement
Cummins Gen-Set, Generator Top Tank # 990648

Cummins Gen-Set, Generator Top Tank # 990648

  • OEM-compatible top tank for Cummins gen-sets
  • Precise fitment with part number 990648
  • Fast online purchase and add-to-cart
Peterbilt 379 Radiator Core

Peterbilt 379 Radiator Core

  • OEM-sourced core for Peterbilt 379 trucks
  • Available across USA and Canada shipping
  • Supports heavy-duty long-haul trucking
Ingersoll Rand Air Compressor Radiator

Ingersoll Rand Air Compressor Radiator

  • Direct-fit for Ingersoll Rand air compressors
  • Part of 3,800+ product cooling catalog
  • Priced at $2,172 with instant checkout
Volvo, Mack VN780, PNG Radiator

Volvo, Mack VN780, PNG Radiator

  • Fits Volvo VN780 and Mack PNG models
  • Specialist heavy-duty trucking cooling parts
  • Ready for immediate online purchase
Bottom Tank (Radiator Component)

Bottom Tank (Radiator Component)

  • OEM-compatible bottom tank for Cummins gen-sets
  • 130+ bottom tank variants in stock
  • Covers trucking, construction & power gen

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Frequently Asked Questions

What is a 4 column cast iron radiator used for?

4 column cast iron radiators provide heavy-duty cooling for demanding applications including industrial generators, gen-sets, heavy-duty trucks, air compressors, and construction machinery. Their thick cast iron construction offers superior heat dissipation and structural durability compared to lighter materials, making them ideal for continuous, high-load operating environments where reliability is critical.

Are your cast iron radiators OEM replacements or aftermarket parts?

Which equipment brands are compatible with your cast iron radiators?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Why Heavy Equipment & Fleet Operators Choose Radiator Supply House

Extensive OEM-Equivalent Inventory

Access thousands of direct-fit cast iron radiators and cooling components spanning 300+ heavy equipment manufacturers nationwide.

Heavy-Duty Cast Iron Construction

Built with rugged cast iron cores engineered to withstand extreme heat, vibration, and continuous heavy-duty operating conditions.

Fast, Reliable Nationwide Supply

Order online for quick turnaround on hard-to-find radiators, keeping your trucks, generators, and machinery running with minimal downtime.

Get Expert Help Sourcing Your 4 Column Cast Iron Radiator

Submit your equipment details and our cooling specialists will respond with pricing, fitment, and availability information.

Contact Us Today

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