Part #: 221-9071

Denso 221-9071 Radiator

⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Explorer, Explorer Sport Trac, and Mountaineer
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Overview of the Denso Radiator 221-9071 for Ford and Mercury Vehicles

The Denso 221-9071 radiator is engineered to provide reliable cooling performance for select Ford and Mercury models. Designed specifically for the Explorer, Explorer Sport Trac, and Mountaineer, this radiator includes a transmission oil cooler to support optimal vehicle operation under various driving conditions.

  • Core Height: 20.7087 inches
  • Core Width: 22.8740 inches
  • Core Thickness: 1.0236 inches
  • Transmission Oil Cooler Included
  • Inlet Diameter: 1.4961 inches
  • Outlet Diameter: 1.4961 inches

Detailed Specifications and Features

The Denso radiator 221-9071 features a core measuring approximately 20.7 inches in height, 22.9 inches in width, and just over 1 inch in thickness. These dimensions ensure efficient heat dissipation for the cooling system. The inclusion of a transmission oil cooler integrated within the radiator supports the cooling of transmission fluid, which is critical for maintaining transmission performance and longevity in Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. Both the inlet and outlet diameters are 1.4961 inches, matching OEM specifications for seamless installation and proper coolant flow.

Compatible Vehicles and Applications

This radiator is compatible with the following vehicles:

  • Ford Explorer
  • Ford Explorer Sport Trac
  • Mercury Mountaineer

It is designed to replace the original radiator and transmission oil cooler assembly, ensuring proper fit and function.

Common Issues Addressed by the Denso Radiator 221-9071

  • Overheating due to radiator core damage or clogging
  • Transmission fluid overheating affecting transmission performance
  • Leaks in the radiator or transmission oil cooler
  • Reduced cooling efficiency from worn or corroded radiator components
  • Incompatible or damaged radiator causing engine temperature fluctuations

Installation Notes and Tips

When installing the Denso 221-9071 radiator, ensure the vehicle is cooled down and the cooling system is depressurized. Verify that the inlet and outlet hose diameters match the vehicle’s hoses to prevent leaks. Properly secure all mounting points and reconnect transmission fluid lines carefully to avoid damage. It is recommended to flush the cooling system and replace coolant and transmission fluid as part of the installation process to maintain system integrity.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM standards for durability and performance. The 221-9071 radiator undergoes rigorous quality control to ensure reliable operation in Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDenso
Part Number221-9071
Core Height20.7087
Core Thickness1.0236
Core Width22.8740
Inlet Diameter1.4961
Outlet Diameter1.4961
Transmission Oil Cooler IncludedYES

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2003FordExplorerN/A
2002FordExplorer Sport TracN/A
2001FordExplorerN/A
2001MercuryMountaineerN/A
2000FordExplorerN/A
2000MercuryMountaineerN/A
1999FordExplorerN/A
1999MercuryMountaineerN/A
1998FordExplorerN/A
1998MercuryMountaineerN/A
1997FordExplorerN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8012309

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.