Fits the following 2021 GMC Sierra 3500 HD applications:
- GMC Sierra 3500 HD 6.6L V8 (L8T) — Pickup / Cab & Chassis — GAS / FLEX — Automatic
OE-style direct-fit Radiator for the 6.6L V8.
| Product Attributes |
|---|
| Radiator Cap Supplied: No |
| Row Quantity: 1 |
| Outlet Width Inch: 2 7/16 |
| Outlet Length Inch: 23 13/16 |
| Inlet Width Inch: 1 15/16 |
| Inlet Length Inch: 23 13/16 |
| Inlet Diameter Inch: 1 5/16 Left |
| Oil Cooler Inch: 11 1/2 Left & Right (high-efficiency Plate Type) |
| Tank Material: Plastic |
| Down Flow Or Cross Flow Type: Cross Flow |
About CSF Radiators:
- CSF factories are ISO/TS-16949 certified
- CSF Radiators are designed and built to High Performance Standards & sold worldwide for over 50 years — over 30 Million Units Sold
- Carefully engineered & Wind Tunnel Tested in laboratory for Cooling Performance Validation
- Over 10,000 different models manufactured & supplied for all leading vehicle brands
- OEM specified Plastic Tank — Aluminum Core Construction
- Tanks made from Virgin Grade Engineered plastic resins, Glass Filled for added Strength & Durability
- Gaskets made from Special Grade "EPDM" rubber to withstand extreme temperatures up to -120°F
- Tubes — Welded Type or Latest Generation "B-Tube" Design
- Fins (Heart of Radiator) — High Performance "Multi-Louvered Design" — OEM Spec
- 100% leak tested before leaving factory at 150% of operating pressure
- Industry Best Packaging — "10 Foot Drop Test" Standard
- Drop-in Fit
- High Performance Transmission Cooler with special Built-in Turbulator, when applicable
- All components are installed, torqued & tested on Radiator during assembly
