CSF 3852 Radiator

Brand CSF 3852
Fits Honda · 6 vehicles

OE-style replacement. Plastic tanks and an aluminum core match the original design.

Heavy-duty core. 11% thicker than OEM for added cooling capacity.

Single-row down-flow radiator for efficient coolant flow.

Cross-references Bosch 13626, Spectra Premium CU13626 and 190105PAA01 for the same application. See all 4.

$99.20Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $99.20
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Honda CR-V Radiator Replacement

Restore cooling performance with the CSF 3852 radiator, built with an aluminum core and OEM-style plastic tanks. This down-flow radiator is engineered for 2017-2022 Honda CR-V applications and features an upgraded heavy-duty core that is 11% thicker than the OEM 27mm design.

  • CSF radiator part number 3852
  • Fits 2017-2020 Honda CR-V and 2021-2022 Honda CR-V
  • OEM-style plastic tanks with aluminum core construction
  • Down-flow design for direct-fit replacement use
  • 1-row core with 1 1/4 in inlet and outlet diameters
  • Upgraded heavy-duty core thickness: 30mm vs OEM 27mm
  • Core dimensions: 29 11/16 in width, 16 3/4 in length, 1 1/4 in thickness

Direct-Fit Cooling System Design

The CSF 3852 is built as a replacement radiator for the Honda CR-V with OE-style plastic tanks and an aluminum core to match factory-style packaging and cooling layout. Its down-flow configuration, left-side inlet and outlet placement, and single-row core support straightforward service replacement on 2017-2022 Honda CR-V models. This part cross-references Bosch 13626 and Spectra Premium CU13626 for the same application.

Common Cooling Issues Addressed

  • Leaking radiator tanks or core seams
  • Restricted coolant flow from an aging radiator
  • Overheating caused by reduced heat transfer
  • Physical damage to the original radiator assembly
  • Cooling performance loss on high-mileage Honda CR-V vehicles

Installation Notes

Verify radiator dimensions, inlet and outlet orientation, and vehicle year before installation. This radiator uses a down-flow layout with 1 1/4 in inlet and outlet connections, so confirm hose routing and mounting points against the original unit. The radiator cap is not supplied.

Quality Assurance

CSF supplies this radiator with OE-style construction and an upgraded heavy-duty core for the listed Honda CR-V applications. The aluminum core and plastic tank design follow factory-style packaging for consistent replacement fitment.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2022HondaCR-V1.5LL4N/AUpgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm
2021HondaCR-V1.5LL4N/AUpgraded Heavy Duty Core. 11% Thicker 30mm vs OEM 27mm
2020HondaCR-V1.5LL4N/AOE style design ensures optimal fitment and performance.
2019HondaCR-V1.5LL4N/AOE style design ensures optimal fitment and performance.
2018HondaCR-V1.5LL4N/AOE style design ensures optimal fitment and performance.
2017HondaCR-V1.5LL4N/AOE style design ensures optimal fitment and performance.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 13626Spectra Premium — CU13626190105PAA01HO3010243