Denso 221-9235 Radiator

Brand Denso 221-9235
Core Height 13.3900
Core Thickness 0.6300
Core Width 27.8000
Inlet Diameter 1.5630
Outlet Diameter 1.5700
Transmission Oil Cooler Included NO
Fits Subaru · 7 vehicles

OE experience. Built to meet strict OE standards for fit, performance, and reliability.

Radiator performance. Supports proper engine cooling and dependable function.

Durability tested. Passed strict function and durability checks for demanding conditions.

Cross-references APDI 8013091, CSF 3515 and DPI Performance Racing Products 13091 for the same application. See all 8.

$143.18Free 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 $143.18
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Denso 221-9235 Radiator Overview

Denso 221-9235 is a radiator built for direct-fit engine cooling performance in the 2008-2014 Subaru Impreza. It uses OE-style dimensions and materials to support proper coolant flow, heat transfer, and reliable fitment for daily driving and demanding conditions.

  • Core height: 13.3900
  • Core width: 27.8000
  • Core thickness: 0.6300
  • Inlet diameter: 1.5630
  • Outlet diameter: 1.5700
  • Transmission oil cooler included: No
  • OE-style radiator construction for Subaru Impreza cooling system service

OE Fitment and Design

This radiator is engineered around Denso’s OE supplier experience, with radiator configuration, tank design, fin pitch, core dimensions, and material selection aligned to original equipment standards. The result is a replacement radiator for Subaru Impreza cooling system repair that supports consistent engine temperature control and dependable fitment. Part number 221-9235 is also referenced in the aftermarket under cross numbers such as Spectra Premium CU13091 and Subaru 45119FG010.

Vehicle Fitment

  • Fits 2008-2014 Subaru Impreza, N/A

Common Cooling System Issues This Part Can Address

  • Overheating caused by a leaking or restricted radiator
  • Coolant loss from cracked tanks or damaged core passages
  • Reduced heat dissipation from a clogged or corroded radiator
  • Temperature instability during stop-and-go or highway driving
  • Replacement needs after impact damage to the front cooling stack

Installation Notes

Verify inlet and outlet hose diameters, core dimensions, and mounting points before installation. Flush the cooling system, inspect hoses and clamps, and confirm the cooling fan and thermostat are operating correctly before returning the vehicle to service. Because this radiator does not include a transmission oil cooler, confirm your vehicle’s cooling system configuration before ordering.

Quality Assurance

Denso supplies radiators to OE vehicle manufacturers and subjects its radiators to durability and function testing before release. Denso 221-9235 is built to meet rigid OE standards for performance, reliability, and fitment on the Subaru Impreza.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelTransmissionPositionNotes
2014SubaruImprezaWRX—N/A—
2013SubaruImprezaWRX—N/A—
2012SubaruImprezaWRX—N/A—
2011SubaruImprezaWRX—N/A—
2010SubaruImprezaWRX—N/A—
2009SubaruImprezaWRX—N/A—
2008SubaruImprezaWRXManualN/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013091CSF — 3515DPI Performance Racing Products — 13091OSC — 13091Reach Cooling — 41-13091Spectra Premium — CU13091Subaru — 45119FG010TYC Cooling - Archived — 13091