Denso 221-3600 Radiator

Denso 221-3600 Radiator for Subaru Legacy

The Denso 221-3600 radiator is built for 1994-1999 Subaru Legacy applications and follows OE-style dimensions and materials for proper engine cooling. With an integrated transmission oil cooler and 1.5000-inch inlet and outlet diameters, it supports consistent coolant flow in the Subaru Legacy cooling system.

Key Features

• Direct-fit radiator for select 1994-1999 Subaru Legacy models
• Core dimensions: 26.5000 in. height, 14.1870 in. width, 0.6250 in. thickness
• Transmission oil cooler included
• 1.5000 in. inlet diameter and 1.5000 in. outlet diameter
• OE-focused construction from Denso, part number 221-3600

Detailed Description

Denso radiator 221-3600 is engineered for Subaru Legacy cooling system service where correct fitment and thermal control matter. Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator reflects that experience through OE-matched configuration, tank design, fin pitch, core sizing, and material selection. Each unit is tested for durability and function to help maintain stable engine temperature under demanding driving conditions.

This radiator is a strong match for Subaru Legacy owners replacing a worn or leaking cooling unit. It is also a practical choice when searching for a Subaru Legacy radiator replacement, a 1994-1999 Subaru Legacy cooling system part, or Denso 221-3600 radiator fitment.

What This Radiator Helps Address

• Coolant leaks from a damaged or corroded radiator
• Overheating caused by restricted heat transfer
• Transmission fluid cooling concerns when the radiator cooler is failing
• Reduced cooling efficiency from aging core materials
• Fitment issues from non-OE-style replacement parts

Installation Notes and Tips

Verify core dimensions, inlet and outlet size, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts correctly in the vehicle support. For Subaru Legacy radiator replacement service, transfer any required fittings or sensors from the original unit only when the vehicle application calls for it.

Quality Assurance

Denso builds this radiator to OE standards and subjects it to durability and function testing before release. The result is a radiator designed to maintain reliable cooling performance in 1994-1999 Subaru Legacy applications. Cross-reference part numbers for the same application include Spectra Premium CU1853 and CSF 2619.