OE Quality
60-Day Returns

TYC 1521 Radiator
Overview of TYC Radiator Part Number 1521
The TYC Radiator 1521 is engineered for reliable cooling performance in Chevrolet and GMC heavy-duty trucks. Designed specifically for models like the Chevrolet C2500, C2500 Suburban, C3500, and GMC K2500, K2500 Suburban, K3500, this radiator supports optimal engine and transmission temperatures under demanding conditions.
- Core constructed from durable aluminum for efficient heat dissipation
- Includes integrated plate-type engine and transmission oil coolers
- Crossflow design enhances coolant flow and heat exchange
- Hose clamp inlet and outlet connections for secure fitment
- Core dimensions: 19.41" height, 34.09" length, 2.2" thickness
- Compatible with Chevrolet and GMC heavy-duty truck models
Detailed Features and Specifications
This TYC Radiator 1521 features a robust aluminum core that measures 19.41 inches in height, 34.09 inches in length, and 2.2 inches in thickness, providing a substantial surface area for heat transfer. The radiator incorporates a crossflow configuration, which improves coolant circulation and thermal efficiency. It includes both engine and transmission oil coolers, each utilizing a plate oil cooler design to maintain optimal fluid temperatures. The radiator has a single row of tubes, with a total of 44 tubes and 45 fin rows, and a fin count of 41 every 4 inches, contributing to effective cooling capacity. Hose clamp inlet and outlet connections with diameters of 1.38 inches and 1.57 inches respectively ensure compatibility with factory hoses. The top and bottom headers measure 3.16 by 20.66 inches, supporting structural integrity and fitment.
About the TYC Radiator Product Line
The TYC Radiator product line focuses on delivering reliable cooling solutions tailored to specific vehicle applications. This line integrates advanced materials like aluminum cores and includes additional cooling components such as engine and transmission oil coolers to address the thermal demands of heavy-duty trucks. The TYC Radiator 1521 exemplifies this approach by combining core durability with integrated oil cooling, designed to meet the requirements of Chevrolet and GMC truck models.
Applications and Problem Solving
- Replaces worn or leaking radiators in Chevrolet C2500, C2500 Suburban, C3500, GMC K2500, K2500 Suburban, and K3500 trucks
- Addresses overheating issues caused by inefficient heat dissipation
- Solves transmission fluid overheating with integrated plate oil cooler
- Prevents engine oil temperature spikes through built-in engine oil cooler
- Restores proper coolant flow and pressure with crossflow design
Installation Notes and Tips
- Ensure compatibility with vehicle make and model before installation
- Use appropriate hose clamps for inlet and outlet connections sized 1.38" and 1.57"
- Inspect and replace any worn hoses or fittings during installation
- Bleed the cooling system properly to avoid air pockets
- Check transmission and engine oil cooler adapter fittings for secure attachment
Quality Assurance and Warranty
TYC Radiator 1521 is manufactured to meet OEM standards for fit, form, and function. The aluminum core and integrated oil coolers undergo rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, TYC products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | TYC |
| Part Number | 1521 |
| Position | TYC Radiator, N/A |
| Bottom Header | 3.16x20.66 |
| Core Height (in) | 19.41 |
| Core Length (in) | 34.09 |
| Core Material | Aluminum |
| Core Thickness (in) | 2.2 |
| Engine Oil Cooler Included | Yes |
| Engine Oil Cooler Type | Plate Oil Cooler |
| Eoc Distance (in) | 11.50 |
| Fin Count (every 4") | 41 |
| Fin Wave Height (in) | 0.35 |
| Find Wave Pitch | 5 |
| Flow Configuration | Crossflow |
| Inlet Connection Type | Hose Clamp |
| Inlet Diameter (in) | 1.38 |
| No. Of Rows | 1 |
| Outlet Connection Type | Hose Clamp |
| Outlet Diameter (in) | 1.57 |
| Toc Distance (in) | 11.50 |
| Toc Inlet Diameter (in) | 1/2-20UNF |
| Toc Inlet Type | Adapter |
| Toc Outlet Diameter (in) | 1/2-20UNF |
| Toc Outlet Type | Adapter |
| Top Header | 3.16x20.66 |
| Total Fin Row Count | 45 |
| Total Tube Count | 44 |
| Transmission Oil Cooler Included | Yes |
| Transmission Oil Cooler Type | Plate Oil Cooler |
| Tube Count (every 4") | 10 |
| Tube Width X Height | 26x2 |
This part fits 80 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2000 | Chevrolet | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 2000 | Chevrolet | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 2000 | Chevrolet | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 2000 | Chevrolet | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 2000 | GMC | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 2000 | GMC | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 2000 | GMC | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 2000 | GMC | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | Chevrolet | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | Chevrolet | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | Chevrolet | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | Chevrolet | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | Chevrolet | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | Chevrolet | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | GMC | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | GMC | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | GMC | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | GMC | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | GMC | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1999 | GMC | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | Chevrolet | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | Chevrolet | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | Chevrolet | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | Chevrolet | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | Chevrolet | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | Chevrolet | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | GMC | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | GMC | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | GMC | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | GMC | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | GMC | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1998 | GMC | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | Chevrolet | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | Chevrolet | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | Chevrolet | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | Chevrolet | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | Chevrolet | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | Chevrolet | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | GMC | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | GMC | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | GMC | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | GMC | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | GMC | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1997 | GMC | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | Chevrolet | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | Chevrolet | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | Chevrolet | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | Chevrolet | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | Chevrolet | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | Chevrolet | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | GMC | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | GMC | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | GMC | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | GMC | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | GMC | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1996 | GMC | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | Chevrolet | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | Chevrolet | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | Chevrolet | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | Chevrolet | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | Chevrolet | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | Chevrolet | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | GMC | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | GMC | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | GMC | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | GMC | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | GMC | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1995 | GMC | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | Chevrolet | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | Chevrolet | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | Chevrolet | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | Chevrolet | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | Chevrolet | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | Chevrolet | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | GMC | C2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | GMC | C2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | GMC | C3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | GMC | K2500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | GMC | K2500 Suburban | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
| 1994 | GMC | K3500 | Automatic | 7.4L | V8 | N/A | w/ Raised Filler Neck; TYC Radiator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.