Denso 221-9158 Radiator
OE Quality 60-Day Returns
Denso

Denso 221-9158 Radiator

Brand Denso 221-9158
Core Height 17.7165
Core Thickness 1.0236
Core Width 30.2362
Transmission Oil Cooler Included No
Inlet Diameter 1.3780
Outlet Diameter 1.3780
Fits Lexus · 3 vehicles

OE experience. Built with radiator know-how from a leading OE supplier.

Rigid OE standards. Configurations, tanks, fin pitch, and materials match demanding requirements.

Durability tested. Each radiator passes strict function and durability checks.

Cross-references APDI 8013207, CSF 3687 and DPI Performance Racing Products 13118 for the same application. See all 8.

$186.28Free shipping
Out of stock
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 $186.28
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Radiator options

Denso 221-9158 Radiator for Lexus RX450h

The Denso 221-9158 radiator is an OE-style cooling replacement built for the 2010-2012 Lexus RX450h. It matches key factory dimensions and connection sizes to support proper engine cooling and consistent fitment.

Key Features

  • Core height: 17.7165 in.
  • Core width: 30.2362 in.
  • Core thickness: 1.0236 in.
  • Inlet diameter: 1.3780 in.
  • Outlet diameter: 1.3780 in.
  • No transmission oil cooler included
  • OE-focused radiator construction for factory-style replacement

Detailed Description

Denso radiator Part Number 221-9158 is engineered for the Lexus RX450h with OE-based dimensions, tank configuration, fin pitch, and core materials that align with manufacturer standards. Denso supplies radiators to vehicle manufacturers worldwide, and this experience is reflected in the fitment accuracy and durability testing behind this replacement radiator. This part cross-references Spectra Premium CU13117 for the same application.

Compatible With 2010-2011 Lexus RX450h, engine cooling, and 2012 Lexus RX450h, engine cooling to 01/2012. The Denso 221-9158 is a direct-fit cooling component for drivers replacing a leaking, clogged, or damaged radiator on the Lexus RX450h.

Common Reasons for Replacement

  • Coolant leaks from the radiator core, tanks, or seams
  • Overheating caused by restricted coolant flow
  • Physical damage from road debris or impact
  • Corrosion or internal wear in an aging cooling system
  • Temperature instability during stop-and-go driving

Installation Notes and Tips

Verify inlet and outlet hose sizes before installation and confirm the vehicle is within the listed RX450h model years. Inspect hoses, clamps, and coolant condition during radiator replacement, and flush the cooling system if contamination is present. Because this radiator does not include a transmission oil cooler, confirm your original setup before ordering.

Quality Assurance

Denso builds this radiator to OE-level standards and subjects it to durability and function testing before release. The result is a radiator intended to deliver reliable cooling performance under demanding operating conditions.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2012LexusRX450hEngine Cooling; To 01/2012
2011LexusRX450hEngine Cooling
2010LexusRX450hEngine Cooling
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013207CSF — 3687DPI Performance Racing Products — 13118Lexus — 1604131630OSC — 13117Reach Cooling — 41-13117Spectra Premium — CU13117TYC Cooling - Archived — 13118