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CSF 3919 Radiator
Overview of CSF Radiator Part 3919 for Toyota Corolla iM
The CSF radiator part number 3919 is designed specifically for Toyota Corolla iM and Scion iM models. Featuring a durable aluminum core and plastic tanks, this radiator ensures efficient engine cooling and reliable performance under various driving conditions.
- Core Thickness: 5/8 inch
- Core Width: 14 5/8 inches
- Core Length: 23 9/16 inches
- Core Material: Aluminum
- Tank Material: Plastic
- Inlet Diameter: 1 3/8 inches (left side)
- Outlet Diameter: 1 3/8 inches (right side)
- Cross flow radiator design
- Single row radiator core
- Cap not included
Detailed Product Description
This CSF radiator (part number 3919) is engineered with an aluminum core that provides excellent heat dissipation, helping maintain optimal engine temperature for Toyota Corolla iM and Scion iM vehicles. The plastic tanks are designed to be lightweight yet durable, matching the original equipment manufacturer (OEM) specifications. The cross flow design allows coolant to flow horizontally through the core, improving cooling efficiency and supporting consistent engine performance. With a core thickness of 5/8 inch and a single-row core configuration, this radiator balances cooling capacity with compact size, making it suitable for the specified vehicle models.
Common Applications and Issues Addressed
- Replacement for leaking or cracked radiator tanks
- Restores proper engine cooling in overheating vehicles
- Fixes radiator core damage or corrosion
- Improves coolant flow with OEM-style inlet and outlet diameters
- Suitable for vehicles experiencing reduced cooling efficiency
Installation Notes and Tips
When installing the CSF radiator 3919, ensure compatibility with Toyota Corolla iM and Scion iM models. Verify inlet and outlet hose sizes (1 3/8 inches) match your vehicle’s hoses. Since the radiator does not include a cap, reuse the existing radiator cap or purchase a compatible replacement separately. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.
Quality Assurance and Warranty
CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and plastic tanks for durability and performance. This radiator is free of hazardous materials and designed for long-term reliability. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.
| Brand | CSF |
| Part Number | 3919 |
| Core Thickness | 5/8 |
| Core Width | 14 5/8 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 23 9/16 |
| Inlet Diameter | 1 3/8 left |
| Outlet Diameter | 1 3/8 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) | 31 5/8 |
| Box Weight (lbs) | 7 |
| Box Width (in) | 18 1/4 |
| Hazardous Material | No |
| Inlet Length (in) | 15 7/16 |
| Inlet Width (in) | 1 5/16 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 15 7/16 |
| Outlet Width (in) | 1 5/16 |
| Tech Note | O.e.m. style plastic tank & aluminum core. |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Toyota | Corolla iM | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2017 | Toyota | Corolla iM | 1.8L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2016 | Scion | iM | 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.