Part #: 221-9380

Denso 221-9380 Radiator

⚙️ 19 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: Chevrolet and GMC, S10 and Sonoma
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Overview of the Denso Radiator 221-9380 for Chevrolet S10 and GMC Sonoma

The Denso radiator part number 221-9380 is engineered to provide reliable cooling performance for Chevrolet S10 and GMC Sonoma models. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature management under various driving conditions.

  • Core Height: 23.62 inches
  • Core Width: 16.34 inches
  • Core Thickness: 0.63 inches
  • Transmission Oil Cooler Included
  • Inlet Diameter: 1.313 inches
  • Outlet Diameter: 1.32 inches

Detailed Radiator Specifications and Features

This Denso radiator (part number 221-9380) features a core height of 23.62 inches and a width of 16.34 inches, providing ample surface area for heat dissipation. The core thickness of 0.63 inches ensures a balance between cooling efficiency and compact design. The radiator includes an integrated transmission oil cooler, which helps maintain optimal transmission fluid temperature, enhancing transmission longevity and performance. The inlet and outlet diameters are 1.313 inches and 1.32 inches respectively, matching OEM specifications for a secure fit and proper coolant flow.

Compatible Vehicles and Application

This radiator is compatible with the following vehicles:

  • Chevrolet S10
  • GMC Sonoma

It is designed specifically for these models to ensure proper fitment and cooling system integration. Using the Denso 221-9380 radiator helps address common cooling system issues in these trucks.

Common Issues Addressed by This Radiator

  • Engine overheating due to inefficient heat dissipation
  • Transmission fluid overheating with integrated oil cooler support
  • Coolant leaks from damaged or corroded radiator cores
  • Reduced engine performance caused by inadequate cooling
  • Fitment problems with non-OEM radiators

Installation Notes and Tips

When installing the Denso radiator 221-9380, ensure all hose connections match the specified inlet and outlet diameters for a leak-free seal. It is recommended to flush the cooling system before installation to remove debris and contaminants. Verify that the transmission oil cooler lines are properly connected to maintain transmission cooling functionality. Follow vehicle manufacturer torque specifications for mounting hardware to avoid damage.

Quality Assurance and Warranty

Denso radiators are manufactured to meet or exceed OEM standards for durability and performance. The 221-9380 radiator undergoes rigorous quality control to ensure reliable operation in Chevrolet S10 and GMC Sonoma vehicles. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDenso
Part Number221-9380
Core Height23.6200
Core Thickness0.6300
Core Width16.3400
Inlet Diameter1.3130
Outlet Diameter1.3200
Transmission Oil Cooler IncludedYES

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
2003ChevroletS10N/A
2002ChevroletS10N/A
2002GMCSonomaN/A
2001ChevroletS10N/A
2001GMCSonomaN/A
2000ChevroletS10N/A
2000GMCSonomaN/A
1999ChevroletS10N/A
1999GMCSonomaN/A
1998ChevroletS10N/A
1998GMCSonomaN/A
1997ChevroletS10N/A
1997GMCSonomaN/A
1996ChevroletS10N/A
1996GMCSonomaN/A
1995ChevroletS10N/A
1995GMCSonomaN/A
1994ChevroletS10N/A
1994GMCSonomaN/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:

21518

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