OE Quality
60-Day Returns

Global Parts 13643C Radiator
Reliable Radiator Replacement for Nissan TITAN
The Global Parts radiator, part number 13643C, is designed specifically for Nissan TITAN models. Engineered with durable aluminum core and plastic tanks, this radiator ensures efficient cooling performance to maintain your vehicle's engine temperature under control.
- Core thickness of 1.56 inches (39.62 mm) for effective heat dissipation
- Aluminum core material for lightweight durability
- Plastic tank construction for corrosion resistance
- Single core row design with 75 fins every 4 inches to optimize airflow
- Cross flow type radiator for improved coolant circulation
- Inlet diameter of 1.38 inches (35.05 mm) and outlet diameter of 1.4 inches (35.56 mm)
- Does not include transmission or engine oil coolers
Detailed Radiator Specifications and Design
This Global Parts radiator 13643C features a cross flow design, which allows coolant to flow horizontally through the core, enhancing heat exchange efficiency. The aluminum core provides a balance of strength and thermal conductivity, while the plastic tanks reduce weight and resist corrosion. With a single core row and 75 fins spaced every 4 inches, this radiator supports optimal airflow and cooling capacity. The inlet and outlet diameters are precisely sized to fit Nissan TITAN cooling systems, ensuring proper coolant flow and compatibility.
Compatible Nissan TITAN Models and Applications
This radiator is compatible with Nissan TITAN vehicles requiring a replacement radiator with the specified dimensions and design. It is suitable for addressing common cooling system issues such as:
- Overheating due to radiator core damage or clogging
- Coolant leaks from cracked or worn tanks
- Reduced cooling efficiency from bent or damaged fins
- Engine temperature fluctuations caused by inadequate coolant flow
- Replacement of old or corroded radiators to maintain engine performance
Installation Notes and Tips
When installing the Global Parts radiator 13643C, ensure the cooling system is fully drained before removal of the old radiator. Verify that the inlet and outlet hose diameters match the vehicle’s hoses to prevent leaks. Inspect and replace any worn hoses or clamps during installation. Properly bleed the cooling system after installation to remove air pockets and ensure optimal coolant circulation.
Quality Assurance and Warranty Information
Global Parts radiators are manufactured to meet OEM specifications for fit, form, and function. The 13643C radiator undergoes quality checks to ensure durability and performance. Please refer to Global Parts’ warranty policy for specific coverage details related to this radiator.
| Brand | Global Parts |
|---|---|
| Part Number | 13643C |
| Core Thickness | 1.56 |
| Core Thickness | 39.62 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Transmission Oil Cooler Included | No |
| Core Row Quantity | 1 |
| Inlet Diameter | 1.38 |
| Inlet Diameter | 35.05 |
| Outlet Diameter | 1.4 |
| Outlet Diameter | 35.56 |
| Engine Oil Cooler Included | No |
| Down Flow Or Cross Flow Type | Cross flow |
| Core Fin Quantity | 75 (every 4") |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Nissan | TITAN | 5.6L | V8 | N/A | |
| 2018 | Nissan | TITAN | 5.6L | V8 | N/A | |
| 2017 | Nissan | TITAN | 5.6L | V8 | N/A |
* 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.