CSF OEM Replacement Plastic Radiator 2011-2019 GMC Sierra 2500HD 6.0L
The CSF 3798 is the direct OE-style replacement radiator for 2011-2019 GMC Sierra 2500HD and 3500HD with 6.0L V8 gas engine. All-plastic tanks with aluminum core match factory design for perfect fit, improved cooling efficiency, and reliable durability the ideal solution for fixing cracked or leaking stock radiators on heavy-duty GM trucks.
Key Features
- Direct OE Replacement: Exact fit using factory mounts and connections
- Upgraded Cooling: Higher efficiency core than stock for better heat rejection
- Durable Plastic Tanks: Reinforced construction resists cracking from heat and pressure
- Plug & Play: Reuses factory hoses, fan shroud, and transmission cooler lines
Specifications
| Specification | Detail |
|---|---|
| Part Number | 3798 |
| Position | Primary Radiator |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Type | Tube & Fin |
| Country of Origin | China |
| Warranty | 2-Year Limited |
Product Notes
- Fits 2011-2019 GMC Sierra 2500HD/3500HD and Chevrolet Silverado 2500HD/3500HD with 6.0L Vortec V8 gas engine does NOT fit diesel models
Installation Notes
- Installation Time: 2-4 hours (coolant drain & refill required)
- Flush cooling system and use new coolant for best results
This Part Fits
| Year | Make | Model | Engine |
|---|---|---|---|
| 2011-2019 | GMC | Sierra 2500HD | 6.0L V8 Gas |
| 2011-2019 | GMC | Sierra 3500HD | 6.0L V8 Gas |
| 2011-2019 | Chevrolet | Silverado 2500HD | 6.0L V8 Gas |
| 2011-2019 | Chevrolet | Silverado 3500HD | 6.0L V8 Gas |
Why Choose CSF?
- World leader in cooling systems for over 70 years
- OE supplier to major manufacturers with proven reliability
- High-quality replacements trusted by mechanics and truck owners
Frequently Asked Questions
-
Q: Does it fit diesel models?
A: No, diesel trucks use different radiator (CSF 3799 or similar). -
Q: Is this all-aluminum?
A: Plastic tanks with aluminum core OE-style construction. -
Q: Will it lower coolant temps?
A: Yes, upgraded core provides better cooling than worn factory units.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: Typically In stock ships same or next business day
- Packaging: Official CSF retail box
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