Part #: 221-9313

Denso 221-9313 Radiator

⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$174.87Free 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: Buick and Chevrolet, Regal, Impala, Malibu Limited, and Malibu
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso Radiator 221-9313 for Buick and Chevrolet

The Denso radiator part number 221-9313 is designed specifically for select Buick and Chevrolet models, including the Impala, Malibu, Malibu Limited, and Regal. This radiator features precise core dimensions and includes a transmission oil cooler, ensuring efficient engine and transmission cooling.

  • Core Height: 26.77 inches
  • Core Width: 16.32 inches
  • Core Thickness: 0.87 inches
  • Transmission Oil Cooler Included
  • Inlet Diameter: 1.34 inches
  • Outlet Diameter: 1.36 inches

Detailed Radiator Specifications and Features

The Denso 221-9313 radiator is engineered with a core height of 26.77 inches, a width of 16.32 inches, and a thickness of 0.87 inches, providing optimal surface area for heat dissipation. The inclusion of a transmission oil cooler supports the cooling of transmission fluid, which is critical for maintaining transmission performance and longevity. The inlet and outlet diameters of 1.34 and 1.36 inches respectively are designed to match factory hose sizes for a secure fit and efficient fluid flow.

Compatible Vehicles and Application

This radiator is compatible with the following vehicles:

  • Buick Regal
  • Chevrolet Impala
  • Chevrolet Malibu
  • Chevrolet Malibu Limited

It is intended for use in cooling the engine and transmission systems, helping to prevent overheating and maintain optimal operating temperatures.

Common Issues Addressed by the Denso Radiator 221-9313

  • Engine overheating due to inefficient heat dissipation
  • Transmission fluid overheating affecting transmission performance
  • Leaks or damage in the radiator core or tanks
  • Reduced cooling capacity from clogged or corroded radiator passages
  • Improper fitment causing coolant leaks or hose connection issues

Installation Notes and Tips

When installing the Denso radiator 221-9313, ensure that the inlet and outlet hose diameters match the vehicle’s factory specifications (1.34 inches inlet, 1.36 inches outlet). Properly secure all hose connections and check for leaks after installation. It is recommended to flush the cooling system before installation to remove any debris or contaminants. Follow manufacturer torque specifications for mounting hardware to avoid damage.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM standards for durability and performance. The 221-9313 radiator undergoes rigorous quality control testing to ensure reliable operation. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region and distributor.

BrandDenso
Part Number221-9313
Core Height26.7700
Core Thickness0.8700
Core Width16.3200
Inlet Diameter1.3400
Outlet Diameter1.3600
Transmission Oil Cooler IncludedYES

This part fits 11 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2016BuickRegalN/A
2016ChevroletImpalaN/A
2016ChevroletMalibu LimitedN/A
2015BuickRegalPremiumN/A
2015BuickRegalBaseN/A
2015ChevroletImpalaN/A
2015ChevroletMalibuN/A
2014BuickRegalN/A
2014ChevroletImpalaN/A
2014ChevroletMalibuN/A
2013ChevroletMalibuN/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:

21797

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