Part #: 221-3513

Denso 221-3513 Radiator

⚙️ 3 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$150.93Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 6
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Denso Radiator for Mazda 6

The Denso radiator part number 221-3513 is designed specifically for the Mazda 6, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive solution for your vehicle's cooling system needs.

  • Core Height: 16.8750 inches
  • Core Thickness: 1.0000 inch
  • Core Width: 25.7500 inches
  • Transmission Oil Cooler Included
  • Inlet Diameter: 1.5000 inches
  • Outlet Diameter: 1.5000 inches

Detailed Radiator Specifications

The Denso 221-3513 radiator features a core measuring 16.8750 inches in height, 25.7500 inches in width, and 1.0000 inch in thickness. These dimensions ensure efficient heat dissipation for the Mazda 6 engine. The radiator also includes an integrated transmission oil cooler, which helps maintain optimal transmission fluid temperature, enhancing transmission longevity and performance. Both the inlet and outlet diameters are 1.5000 inches, compatible with the Mazda 6's cooling system hoses for a secure fit.

Compatible Vehicles and Applications

This radiator is compatible with Mazda 6 models, engineered to meet the specific cooling requirements of this vehicle. It is suitable for replacing a worn or damaged radiator to restore proper engine temperature regulation and transmission cooling.

  • Overheating issues due to radiator core damage or clogging
  • Transmission fluid overheating caused by a faulty cooler
  • Leaks or cracks in the radiator core or tanks
  • Reduced cooling efficiency impacting engine performance
  • Corrosion or physical damage from road debris

Installation Notes and Tips

When installing the Denso 221-3513 radiator on a Mazda 6, ensure all hose connections match the 1.5-inch inlet and outlet diameters for a proper seal. Verify that the transmission oil cooler lines are correctly connected to maintain transmission fluid cooling. It is recommended to flush the cooling system before installation to remove any debris and ensure optimal performance.

Quality Assurance and Warranty

Denso radiators are manufactured to meet OEM specifications, ensuring durability and reliable performance. While specific warranty details for part number 221-3513 are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.

BrandDenso
Part Number221-3513
Core Height16.8750
Core Thickness1.0000
Core Width25.7500
Transmission Oil Cooler IncludedYes
Inlet Diameter1.5000
Outlet Diameter1.5000

This part fits 3 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2010Mazda6N/A
2009Mazda6N/A
2009Mazda6AutomaticN/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:

8013089

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