
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
OEM-Equivalent Quality Standards
ICEBOX Replacement Parts Program
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.
Talk to our product experts for custom solutions.
Apply Filters






Showing 1 to 6 of 11 results
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.
Talk to our experts for custom solutions and tailored guidance.
Access thousands of direct-fit cast iron radiators and cooling components spanning 300+ heavy equipment manufacturers nationwide.
Built with rugged cast iron cores engineered to withstand extreme heat, vibration, and continuous heavy-duty operating conditions.
Order online for quick turnaround on hard-to-find radiators, keeping your trucks, generators, and machinery running with minimal downtime.
Submit your equipment details and our cooling specialists will respond with pricing, fitment, and availability information.
For immediate assistance, feel free to give us a direct call at +1 877-615-3002.
For immediate assistance, feel free to give us a direct call at +1 877-615-3002.