Denso 221-9151 Radiator

Brand Denso 221-9151
Core Height 19.6850
Core Thickness 1.0236
Core Width 29.4488
Inlet Diameter 1.4173
Outlet Diameter 1.4173
Transmission Oil Cooler Included YES
Fits Mitsubishi · 3 vehicles

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

Radiator performance. Helps maintain proper engine cooling and function under demanding conditions.

Transmission oil cooler included. Integrated cooling support adds convenience in one radiator assembly.

Cross-references APDI 8012675, CSF 3123 and DPI Performance Racing Products 2675 for the same application. See all 9.

$145.58Free 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 $145.58
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Denso 221-9151 Radiator for Mitsubishi Endeavor

The Denso 221-9151 radiator is built for 2004-2006 Mitsubishi Endeavor applications that require OE-style cooling performance and precise fitment. It features an integrated transmission oil cooler and dimensions that align with factory specifications for dependable engine temperature control.

Key Features

  • Fits 2004-2006 Mitsubishi Endeavor, N/A
  • Core height: 19.6850 in.
  • Core width: 29.4488 in.
  • Core thickness: 1.0236 in.
  • Inlet diameter: 1.4173 in.
  • Outlet diameter: 1.4173 in.
  • Transmission oil cooler included
  • Denso part number 221-9151

Detailed Description

Denso radiators are engineered using OE supplier experience and manufacturing standards that focus on fit, cooling efficiency, and durability. The 221-9151 radiator uses factory-matched core dimensions, tank configuration, fin pitch, and materials to support proper heat transfer in the Mitsubishi Endeavor cooling system. This radiator is a direct-fit replacement for 2004, 2005, and 2006 Mitsubishi Endeavor models, and the integrated transmission oil cooler supports vehicles equipped with automatic transmission cooling through the radiator assembly. This part cross-references Spectra Premium CU2675 for the same application.

Common Problems This Radiator Can Address

  • Engine overheating from a leaking or restricted radiator
  • Coolant loss caused by cracked tanks or damaged core tubes
  • Transmission fluid temperature issues related to radiator cooler failure
  • Reduced cooling efficiency from corroded or clogged internal passages
  • Fitment issues when replacing an original Mitsubishi Endeavor radiator

Installation Notes and Tips

Verify inlet and outlet hose sizes before installation and compare the new radiator to the original unit for mounting and connection alignment. Flush the cooling system, inspect hoses and clamps, and confirm the transmission cooler lines are clean before reconnecting. After installation, refill with the correct coolant mixture and bleed the system according to factory service procedures.

Quality Assurance

Denso manufactures radiators to meet OE manufacturer standards and subjects each unit to durability and function testing before release. The result is a radiator built for reliable cooling performance in Mitsubishi Endeavor applications.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2006MitsubishiEndeavorAWDN/A—
2005MitsubishiEndeavorAWDN/A—
2004MitsubishiEndeavorAWDN/A—
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012675CSF — 3123DPI Performance Racing Products — 2675Mini — MR571067Mitsubishi — MR571068OSC — 2675Reach Cooling — 41-2675Spectra Premium — CU2675TYC Cooling - Archived — 2675