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CSF 3921 Radiator
Overview of CSF Radiator 3921 for Volkswagen Vehicles
The CSF Radiator part number 3921 is designed specifically for Volkswagen models including the Beetle, Jetta, and Passat. Engineered with a durable aluminum core and plastic tanks, this radiator offers reliable cooling performance tailored to these vehicles.
- Core thickness: 1 1/4 inches
- Core width: 17 inches
- Core length: 25 9/16 inches
- Aluminum core material with plastic tanks
- Cross flow design for efficient heat dissipation
- Inlet and outlet diameters: 1 1/4 inches (left inlet, right outlet)
- Single-row radiator core
- Quick-connect inlet for ease of installation
Detailed Radiator Specifications and Features
This CSF radiator features a 1 1/4 inch thick aluminum core that measures 17 inches wide and 25 9/16 inches long, providing ample surface area for effective engine cooling. The plastic tanks are designed in an OEM style, ensuring compatibility and durability. The cross flow core type promotes efficient coolant flow from side to side, optimizing heat exchange. Both the inlet and outlet have a diameter of 1 1/4 inches, positioned on the left and right sides respectively, with inlet and outlet lengths of 17 11/16 inches and widths of 1 5/8 inches, facilitating proper hose connections. This radiator does not include a cap and is not equipped with an oil cooler.
Compatible Volkswagen Models and Applications
- Volkswagen Beetle radiator replacement
- Volkswagen Jetta cooling system upgrade
- Volkswagen Passat radiator repair part
- Replacement radiator for Volkswagen vehicles requiring a cross flow aluminum core
- Cooling system maintenance for Volkswagen models with OEM style plastic tanks
Installation Notes and Tips
When installing the CSF radiator 3921, ensure the inlet and outlet hose connections match the 1 1/4 inch diameter specifications on the left and right sides respectively. The quick-connect inlet design simplifies attachment but verify secure fittings to prevent leaks. Since the radiator does not include a cap, reuse the existing cap or source a compatible replacement. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.
Quality Assurance and Warranty Information
CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and plastic tanks for durability and corrosion resistance. This radiator is free of hazardous materials and weighs approximately 7 pounds, making it a reliable component for Volkswagen cooling systems. Warranty details should be confirmed with the distributor or manufacturer, as they may vary.
| Brand | CSF |
| Part Number | 3921 |
| Core Thickness | 1 1/4 |
| Core Width | 17 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 25 9/16 |
| Inlet Diameter | 1 1/4 left |
| Outlet Diameter | 1 1/4 right |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 4 1/2 |
| Box Length (in) | 32 |
| Box Weight (lbs) | 7 |
| Box Width (in) | 20 3/16 |
| Hazardous Material | No |
| Inlet Length (in) | 17 11/16 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 17 11/16 |
| Outlet Width (in) | 1 5/8 |
| Tech Note | O.e.m. style plastic tank & aluminum core with quick-connect inl |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2022 | Volkswagen | Passat | 2.0L | L4 | N/A | ||
| 2021 | Volkswagen | Passat | 2.0L | L4 | N/A | ||
| 2020 | Volkswagen | Passat | 2.0L | L4 | N/A | ||
| 2019 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2019 | Volkswagen | Passat | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2018 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2018 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2018 | Volkswagen | Jetta | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2018 | Volkswagen | Passat | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2017 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2017 | Volkswagen | Jetta | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2017 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2017 | Volkswagen | Passat | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2016 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2016 | Volkswagen | Jetta | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2016 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2016 | Volkswagen | Passat | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2015 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2015 | Volkswagen | Beetle | 1.8L | L4 | N/A | ||
| 2015 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | OE style design ensures optimal fitment and performance. |
| 2015 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2015 | Volkswagen | Jetta | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2015 | Volkswagen | Passat | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2014 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2014 | Volkswagen | Beetle | 1.8L | L4 | N/A | ||
| 2014 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | OE style design ensures optimal fitment and performance. |
| 2014 | Volkswagen | Jetta | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. | |
| 2014 | Volkswagen | Passat | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. |
* 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.