Denso 221-3310 Radiator

Brand Denso 221-3310
Core Height 14.7500
Core Thickness 0.6250
Core Width 28.2500
Inlet Diameter 1.3750
Outlet Diameter 1.3750
Transmission Oil Cooler Included YES
Fits Mitsubishi · 5 vehicles

OE experience. Built to OE standards for reliable performance and fit.

Radiator performance. Helps maintain proper engine cooling and function.

Durability tested. Passed strict function and durability testing.

Cross-references APDI 8012301, CSF 2688 and CSF 3101 for the same application. See all 11.

$122.70Free shipping
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Denso 221-3310 Radiator for Galant

The Denso 221-3310 radiator is an OE-style cooling replacement for select 1999-2003 Mitsubishi Galant models. Built to match factory specifications for core size, inlet and outlet sizing, and transmission cooling integration, it supports stable engine temperature control in daily driving and demanding conditions.

  • Fits 1999-2003 Mitsubishi Galant
  • Core height: 14.7500
  • Core width: 28.2500
  • Core thickness: 0.6250
  • Inlet diameter: 1.3750
  • Outlet diameter: 1.3750
  • Transmission oil cooler included: Yes

OE-Style Cooling Construction

Denso radiators are engineered using OE supplier experience and manufacturing know-how. The 221-3310 follows factory radiator configuration standards, including tank design, fin pitch, core dimensions, and material selection, so it aligns with the original cooling layout on the Mitsubishi Galant. This part number 221-3310 is built for direct replacement service where consistent coolant flow and heat transfer are required.

This part cross-references Spectra Premium CU2301 and CSF 2688 for the same application.

What This Radiator Helps Address

  • Engine overheating caused by reduced radiator efficiency
  • Coolant temperature instability during stop-and-go driving
  • Transmission cooling concerns when the factory cooler is part of the system
  • Leaks or corrosion in an aging Mitsubishi Galant radiator
  • Poor fitment from non-OE-style replacement cooling components

Installation Notes

Verify core dimensions, inlet and outlet diameter, and transmission cooler routing before installation. Confirm the vehicle is a 1999-2003 Mitsubishi Galant and compare the original radiator layout to the Denso 221-3310 before removing the old unit. Proper coolant fill, bleeding, and leak inspection after installation are important for reliable operation.

Quality Assurance

Denso subjects its radiators to durability and function testing to meet OE-level standards for fitment and performance. That testing focus helps ensure the radiator delivers dependable cooling performance in the Mitsubishi Galant application.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2003MitsubishiGalantN/A—
2002MitsubishiGalantN/A—
2001MitsubishiGalantN/A—
2000MitsubishiGalantN/A—
1999MitsubishiGalantN/A—
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012301CSF — 2688CSF — 3101DPI Performance Racing Products — 2301Mitsubishi — MR571035Mitsubishi — MR993588OSC — 2301Reach Cooling — 41-2301Spectra Premium — CU2301TYC Cooling - Archived — 2301Vista Pro — 431494