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CSF 3693 Radiator
Overview of CSF 3693 Radiator for Nissan and Infiniti Vehicles
The CSF 3693 radiator is designed specifically for select Nissan and Infiniti models, including the Armada, Pathfinder Armada, QX56, and TITAN. This radiator features a durable aluminum core paired with plastic tanks, engineered to provide reliable cooling performance for your vehicle's engine.
- Core thickness: 1 1/4 inches
- Core width: 27 1/16 inches
- Core length: 23 7/16 inches
- Aluminum core with plastic tanks
- Down flow design with 1 row core
- Inlet and outlet diameter: 1 3/8 inches (right inlet, left outlet)
- Compatible with Nissan Armada, Pathfinder Armada, QX56, and TITAN
- Part number: 3693
Details on the 1 Row Plastic Tank Aluminum Core Product Line
The CSF 1 Row Plastic Tank Aluminum Core product line combines an aluminum core with OE-style plastic tanks to balance durability and cost-effectiveness. This design supports efficient heat dissipation while maintaining compatibility with original equipment specifications. The single-row core thickness of 1 1/4 inches ensures adequate cooling capacity for heavy-duty applications found in Nissan and Infiniti SUVs and trucks.
Technical Description and Specifications
This radiator features a down flow core design with a single row of aluminum tubes measuring 1 1/4 inches thick, 27 1/16 inches wide, and 23 7/16 inches long. The plastic tanks are engineered to OEM standards, providing a reliable seal and resistance to corrosion. The inlet and outlet ports both measure 1 3/8 inches in diameter, positioned on the right and left sides respectively, facilitating straightforward hose connections. The radiator also includes a high-efficiency concentric type oil cooler measuring 18 1/8 inches, enhancing overall cooling performance.
Common Applications and Problem Solving
- Replaces worn or leaking radiators in Nissan Armada and Pathfinder Armada models
- Addresses overheating issues in Infiniti QX56 and Nissan TITAN vehicles
- Restores proper coolant flow and engine temperature regulation
- Solves radiator core damage or corrosion problems
- Improves cooling system reliability for heavy-duty driving conditions
Installation Notes and Tips
Installation of the CSF 3693 radiator should follow OEM guidelines to ensure proper fit and function. Verify inlet and outlet hose diameters match the 1 3/8 inch ports on the radiator. The down flow design requires correct orientation during installation. Note that this radiator does not include a cap; use the CSF cap number 4502 or an equivalent OEM cap. Inspect all mounting points and hoses for wear during replacement to maintain system integrity.
Quality Assurance and Warranty Information
CSF radiators are manufactured to meet or exceed OEM specifications, using high-quality aluminum cores and plastic tanks designed for durability and corrosion resistance. This radiator is free of hazardous materials and is engineered for long service life. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.
| Brand | CSF |
| Part Number | 3693 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Box Height (in) | 7 4/16 |
| Box Length (in) | 30 1/16 |
| Box Weight (lbs) | 17 |
| Box Width (in) | 33 3/8 |
| Cap Included | No |
| Core Length | 23 7/16 |
| Core Material | Aluminum |
| Core Thickness | 1 1/4 |
| Core Width | 27 1/16 |
| Csf Cap Number | 4502 |
| Down Flow Or Cross Flow Type | Down Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 3/8 Right |
| Inlet Length (in) | 26 15/16 |
| Inlet Width (in) | 2 5/8 |
| Oil Cooler (in) | 18 1/8 (high-effeciency Concentric Type) |
| Outlet Diameter | 1 3/8 Left |
| Outlet Length (in) | 26 15/16 |
| Outlet Width (in) | 2 5/8 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core. |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2015 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2014 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2014 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2013 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2013 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2012 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2012 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2011 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2011 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | INFINITI | QX56 | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2010 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2009 | INFINITI | QX56 | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2009 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2009 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2008 | INFINITI | QX56 | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2008 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2008 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2007 | INFINITI | QX56 | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2007 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2007 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2006 | INFINITI | QX56 | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2006 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2006 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2005 | INFINITI | QX56 | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2005 | Nissan | Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2005 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2004 | INFINITI | QX56 | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2004 | Nissan | Pathfinder Armada | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2004 | Nissan | TITAN | 5.6L | V8 | N/A | OE Style Design; Use Mini, 13 psi Cap; 1 Row Plastic Tank Aluminum Core |
* 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.