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CSF 3863 Radiator
| Brand | CSF 3863 |
|---|---|
| Core Thickness | 1 1/4 |
| Core Width | 30 1/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 15 3/4 |
| 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 1/4 |
| Box Length (in) | 33 3/16 |
| Box Weight (lbs) | 11 |
| Box Width (in) | 22 9/16 |
| Hazardous Material | No |
| Inlet Length (in) | 31 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 31 |
| Outlet Width (in) | 1 5/8 |
| Tech Note | O.e.m. style plastic tank & aluminum core. |
| Fits | Acura · 6 vehicles |
OEM-style construction. Plastic tanks and an aluminum core match the original design.
Single-row core. Helps keep the radiator compact while maintaining efficient cooling flow.
Down-flow design. Built for straightforward coolant routing through the radiator.
Cross-references Spectra Premium CU13516, TYC 13516 and 190105J2A01 for the same application. See all 4.
OE-Style Radiator for Acura TLX
CSF 3863 is an OE-style replacement radiator built with an aluminum core and plastic tanks for the 2015-2020 Acura TLX. It is a direct-fit cooling component for drivers replacing a leaking, damaged, or restricted radiator on this application.
- Fits 2015-2020 Acura TLX
- CSF part number 3863
- Aluminum core with plastic tank construction
- Down-flow radiator design
- Single-row core layout
- Core thickness: 1 1/4 in.
- Core width: 30 1/16 in.
- Core length: 15 3/4 in.
- Inlet and outlet diameter: 1 1/4 in., left
Product Details
This CSF radiator is built to match OE-style dimensions and connection points for the Acura TLX cooling system. The aluminum core helps transfer heat efficiently, while the plastic tank design follows the factory-style construction used on many modern passenger vehicles. CSF 3863 is a practical replacement choice when the original radiator shows signs of age, corrosion, cracking, or internal blockage.
This part cross-references Spectra Premium CU13516 and TYC 13516 for the same application. For buyers searching Acura TLX radiator replacement, 2015-2020 Acura TLX cooling system parts, or CSF 3863 radiator, this unit provides the correct fitment profile for the listed vehicle range.
Common Reasons for Replacement
- Coolant leaks from a cracked tank or damaged seam
- Overheating caused by restricted coolant flow
- Corrosion or internal buildup in the radiator core
- Physical damage from road debris or front-end impact
- Age-related wear on an OE-style plastic tank radiator
Installation Notes and Tips
Verify inlet and outlet orientation before installation, since this radiator uses left-side inlet and outlet connections. Confirm core dimensions and mounting points against the original unit before removal. Always inspect hoses, clamps, and coolant condition during radiator replacement to help prevent repeat cooling-system issues.
Quality Assurance
CSF manufactures OE-style cooling components with aluminum core and plastic tank construction to match factory replacement requirements for the listed Acura TLX applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Acura | TLX | 3.5L | V6 | N/A | — |
| 2019 | Acura | TLX | 3.5L | V6 | N/A | — |
| 2018 | Acura | TLX | 3.5L | V6 | N/A | — |
| 2017 | Acura | TLX | 3.5L | V6 | N/A | — |
| 2016 | Acura | TLX | 3.5L | V6 | N/A | — |
| 2015 | Acura | TLX | 3.5L | V6 | N/A | — |
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