Denso 221-4801 Radiator

Denso 221-4801 Radiator Overview

The Denso 221-4801 radiator is an OE-style cooling replacement built for direct fitment on select Suzuki applications. It is engineered around factory-style dimensions and materials to support consistent engine temperature control in daily driving and demanding conditions.

Fits 1999-2000 Suzuki Grand Vitara and 1996-1998 Suzuki Sidekick. This radiator includes a transmission oil cooler and uses 0.937-inch inlet and outlet connections for the listed applications.

Key Features

• Core height: 16.7500 in.
• Core width: 20.6870 in.
• Core thickness: 1.0000 in.
• Transmission oil cooler included
• Inlet diameter: 0.9370 in.
• Outlet diameter: 0.9370 in.
• OE-style radiator construction for factory fitment

Detailed Description

Denso Part Number 221-4801 is a radiator designed for Suzuki Grand Vitara and Suzuki Sidekick models listed in the fitment data. Denso builds radiators to OE specifications, with configurations, tanks, fin pitch, core dimensions, and materials selected to match original equipment requirements. That approach helps maintain proper coolant flow and heat transfer while preserving the intended fit and connection points.

This part cross-references Spectra Premium CU2087 and CSF 2913 for the same application. For buyers searching for a Suzuki Grand Vitara radiator or Suzuki Sidekick radiator replacement, Denso 221-4801 provides a direct-fit cooling solution with the transmission oil cooler already integrated.

What This Radiator Helps Address

• Engine overheating caused by reduced radiator efficiency
• Coolant temperature instability during stop-and-go driving
• Leaks or corrosion in an aging factory radiator
• Transmission cooling concerns on vehicles using an integrated cooler
• Fitment issues from non-OE replacement dimensions

Installation Notes and Tips

Verify the inlet and outlet sizes, core dimensions, and transmission cooler layout before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts align with the vehicle’s original brackets. After installation, refill with the correct coolant mixture and bleed air from the system according to service procedures.

Quality Assurance

Denso uses OE supplier experience and durability testing to validate radiator performance, fitment, and function. Each radiator is built to meet rigid manufacturer standards for cooling-system reliability in the listed Suzuki applications.