- Drop-In Installation: Engineered to exact original equipment dimensions, allowing for a direct, hassle-free replacement that fits perfectly without any vehicle modifications.
- Rigorous Testing Standards: Every radiator design is subjected to strict in-house testing, including wind tunnel evaluations, burst pressure tests, thermal cycling, and salt spray corrosion testing.
- Premium OE-Style Replacement: Manufactured from the highest quality materials to meet or exceed original equipment specifications for peak thermal efficiency.
- Quality Assured: Each individual unit is pressure tested and stamped with a unique serial number certification to guarantee leak-free operation straight out of the box.
- Comprehensive Protection: Backed by a 1-year warranty to give you absolute peace of mind on the road and under heavy towing loads.
- Bottom Hose Fitting (in): 2-1/4 Right
- Top Hose Fitting (in): 2 Left
- Core Length (in): 34-1/2
- Core Material: Aluminum
- Core Thickness (in): 2-1/16
- Core Width (in): 30-5/8
- Cross-Flow/ Down-flow: Cross Flow
- Hazardous Material: No
- Inlet Length (in): 31-5/16
- Inlet Width (in): 2-11/16
- No. Of Rows: 2
- Oil Cooler (in): 11-1/2 (High-Efficiency Plate Type)
- Outlet Length (in): 31-5/16
- Outlet Width (in): 2-11/16
- Radiator Cap Supplied: No
- Tank Material: Plastic
- Tech Note: O.E.M. Style Plastic Tank & Aluminum Core with Quick-Connect Outlet Pipe & Oil Cooler Fittings
When it comes to maintaining the health and longevity of your heavy-duty truck, the cooling system is your first line of defense against premature engine wear. A damaged or leaking primary radiator in a 2020-2023 GM 6.6L Duramax L5P can quickly lead to overheating, reduced performance, and costly engine repairs. Replacing your compromised unit with the CSF 3928 OEM Style Replacement Primary Radiator is a smart, preventative upgrade for your Chevy Silverado or GMC Sierra 2500HD/3500HD. Built by CSF, a trusted global leader in automotive cooling, this premium radiator goes beyond a standard quick-fix by offering an OE-level replacement that matches the original cooling capacity while incorporating manufacturing enhancements to ensure long-term reliability.
Drop-In Installation: Engineered to exact original equipment dimensions, allowing for a direct, hassle-free replacement that fits perfectly without any vehicle modifications.
Rigorous Testing Standards: Every radiator design is subjected to strict in-house testing, including wind tunnel evaluations, burst pressure tests, thermal cycling, and salt spray corrosion testing.
Premium OE-Style Replacement: Manufactured f[...]
- Drop-In Installation: Engineered to exact original equipment dimensions, allowing for a direct, hassle-free replacement that fits perfectly without any vehicle modifications.
- Rigorous Testing Standards: Every radiator design is subjected to strict in-house testing, including wind tunnel evaluations, burst pressure tests, thermal cycling, and salt spray corrosion testing.
- Premium OE-Style Replacement: Manufactured from the highest quality materials to meet or exceed original equipment specifications for peak thermal efficiency.
- Quality Assured: Each individual unit is pressure tested and stamped with a unique serial number certification to guarantee leak-free operation straight out of the box.
- Comprehensive Protection: Backed by a 1-year warranty to give you absolute peace of mind on the road and under heavy towing loads.
- Bottom Hose Fitting (in): 2-1/4 Right
- Top Hose Fitting (in): 2 Left
- Core Length (in): 34-1/2
- Core Material: Aluminum
- Core Thickness (in): 2-1/16
- Core Width (in): 30-5/8
- Cross-Flow/ Down-flow: Cross Flow
- Hazardous Material: No
- Inlet Length (in): 31-5/16
- Inlet Width (in): 2-11/16
- No. Of Rows: 2
- Oil Cooler (in): 11-1/2 (High-Efficiency Plate Type)
- Outlet Length (in): 31-5/16
- Outlet Width (in): 2-11/16
- Radiator Cap Supplied: No
- Tank Material: Plastic
- Tech Note: O.E.M. Style Plastic Tank & Aluminum Core with Quick-Connect Outlet Pipe & Oil Cooler Fittings