/live/media/C3/C3_3897_Fro.jpg)
CSF 3897 Radiator
| Brand | CSF 3897 |
|---|---|
| Core Thickness | 1 1/4 |
| Core Width | 29 11/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 18 11/16 |
| Inlet Diameter | 1 1/4 left |
| Outlet Diameter | 1 1/4 left |
| Down Flow Or Cross Flow Type | Down flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 5 11/16 |
| Box Length (in) | 32 13/16 |
| Box Weight (lbs) | 12 |
| Box Width (in) | 25 5/16 |
| Hazardous Material | No |
| Inlet Length (in) | 30 3/16 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 30 3/16 |
| Outlet Width (in) | 1 5/8 |
| Tech Note | O.e.m. style plastic tank & aluminum core. |
| Fits | Acura · 7 vehicles |
OEM-style construction. Plastic tanks and an aluminum core match the original design.
Wind tunnel tested. Cooling performance is validated in the lab for dependable heat transfer.
ISO/TSO certified. Built in certified factories with over 50 years of radiator production.
Cross-references BBB Industries 13766, 19010-5YF-A01 and AC3010158 for the same application. See all 3.
CSF 3897 Radiator for Acura RDX
CSF 3897 is an OE-style radiator built with an aluminum core and plastic tanks for Acura RDX applications. It is engineered for direct-fit cooling performance and includes a heavier-duty 30 mm core on select 2021-2025 Acura RDX models, compared with the OEM 27 mm design.
Key Features
- Aluminum core with plastic tank construction
- Down-flow radiator design
- 1-row core configuration
- Core thickness: 1 1/4 in.
- Inlet and outlet diameter: 1 1/4 in., left side
- OE-style plastic tank and aluminum core layout
- Wind tunnel tested for cooling performance validation
- Manufactured by CSF, an ISO/TSO certified radiator producer
Detailed Description
This CSF radiator is designed for Acura RDX cooling system service where a direct OE-style replacement is needed. Part number 3897 uses an aluminum core with plastic tanks to match the factory-style layout while providing a heavy-duty core upgrade on 2021-2025 Acura RDX models. CSF manufactures a wide range of radiators for leading vehicle brands and validates cooling performance through laboratory testing. This part cross-references BBB Industries 13766 for the same application.
Fitment
- Fits 2021-2025 Acura RDX, N/A. Upgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm.
- Fits 2019-2020 Acura RDX, N/A. OE style design ensures optimal fitment and performance.
Common Uses
- Replacing a leaking or cracked radiator tank
- Restoring coolant flow after internal core restriction
- Addressing overheating caused by reduced heat transfer
- Replacing a damaged OE-style radiator assembly
- Servicing Acura RDX cooling system wear over time
Installation Notes
Verify inlet and outlet orientation before installation, as this radiator uses left-side inlet and outlet connections. Confirm radiator dimensions and mounting layout against the original unit before removal. Transfer any vehicle-specific components only if required by the application and not supplied with the replacement part.
Quality Assurance
CSF radiators are produced under ISO/TSO-certified manufacturing standards and are tested for cooling performance validation. Part number 3897 is built to OE-style specifications for Acura RDX fitment and cooling-system service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Acura | RDX | 2.0L | L4 | N/A | Upgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm |
| 2024 | Acura | RDX | 2.0L | L4 | N/A | Upgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm |
| 2023 | Acura | RDX | 2.0L | L4 | N/A | Upgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm |
| 2022 | Acura | RDX | 2.0L | L4 | N/A | Upgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm |
| 2021 | Acura | RDX | 2.0L | L4 | N/A | Upgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm |
| 2020 | Acura | RDX | 2.0L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2019 | Acura | RDX | 2.0L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| No rows match your filter. | ||||||