Peterbilt 379 Radiator Core
- Direct-fit OEM replacement for Peterbilt 379
- Sourced from original equipment manufacturer
- Ready to ship for immediate installation
ICEBOX OEM-Equivalent Standard
Heavy-Duty Equipment Parts Supplier
Explore Radiator Supply House's full range of Custom Aluminum Radiator Cores. These aftermarket replacement parts are engineered for direct-fit compatibility, serving construction and forestry equipment maintenance needs across the USA. OEM part numbers are cross-referenced for accurate fitment. Each listing shows per-unit pricing and is available to order online.
A custom aluminum radiator core is the internal cooling component—tubes and fins—engineered to a specific vehicle or equipment's dimensions and thermal requirements. Aluminum cores offer lighter weight and improved heat dissipation compared to copper-brass designs, making them ideal replacements for heavy-duty trucks, construction machinery, and generator sets requiring precise OEM-fit cooling performance.
Talk to our experts for custom solutions and tailored guidance.

Direct-fit aluminum radiator cores keep long-haul trucks and fleet vehicles running cool during demanding routes.

Rugged aluminum cores endure high-vibration, high-heat conditions found in construction and earthmoving equipment.

Custom cores support continuous-duty cooling for diesel generator sets and industrial compressor systems.

Durable radiator cores withstand debris, dust, and extended runtimes typical of farm and logging equipment.
Talk to our experts for custom solutions and tailored guidance.
Radiator cores in stock covering 300+ manufacturers, from Peterbilt to Caterpillar to Cummins generator sets.
Specialized access to rare cores for fire trucks, forestry equipment, and discontinued machinery models others can't supply.
ICEBOX replacement parts deliver OEM-equivalent fit and performance, backed by a one-stop cooling systems catalog.
Share your equipment details and our team will confirm fitment, pricing, and availability within one business day.
For immediate assistance, feel free to give us a direct call at +1 888-549-4367.
For immediate assistance, feel free to give us a direct call at +1 888-549-4367.