Part #: 2563

TYC 2563 Radiator - Primary

TYC Radiator, Primary
⚙️ 30 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Radiator, Primary
🚗Fitment: Buick, Chevrolet, GMC, and Saab, 9-7x, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
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Overview of the TYC Radiator 2563

The TYC Radiator 2563 is engineered to provide reliable cooling performance for select Buick, Chevrolet, GMC, and Saab models. Designed with durable aluminum core construction and integrated transmission oil cooler, this radiator supports efficient engine temperature management and transmission fluid cooling.

  • Core material: Aluminum for lightweight and corrosion resistance
  • Includes plate-type transmission oil cooler
  • Downflow core design with 1 row of tubes
  • Core dimensions: 26.69 inches height, 18.11 inches length, 1.02 inches thickness
  • Hose clamp inlet and outlet connections with 1.30 inch inlet and 1.57 inch outlet diameters
  • Compatible with Buick, Chevrolet, GMC, and Saab SUVs and crossovers

TYC Radiator Product Line Details

The TYC Radiator product line focuses on delivering quality cooling components that meet or exceed OEM specifications. This line emphasizes durable aluminum cores and integrated cooling features such as transmission oil coolers, as seen in part number 2563. The design supports efficient heat dissipation and fluid flow, ensuring compatibility with specific vehicle models requiring precise fitment and performance.

Technical Description and Features

This radiator features a single-row downflow core with 67 tubes and 73 fins per 4 inches, optimizing heat exchange efficiency. The aluminum core measures 26.69 inches in height, 18.11 inches in length, and 1.02 inches thick, providing a balance of cooling capacity and compact size. The integrated plate-type transmission oil cooler enhances transmission fluid temperature regulation, which is critical for vehicle longevity and performance. Hose clamp inlet and outlet connections with diameters of 1.30 inches and 1.57 inches respectively ensure secure and leak-free installation. The top and bottom headers measure 2.31 by 27.5 inches, supporting structural integrity and fluid distribution.

Compatible Vehicles and Common Applications

  • Buick 9-7x
  • Chevrolet Trailblazer, Trailblazer EXT
  • GMC Envoy, Envoy XL, Envoy XUV, Rainier
  • Saab 9-7x

This radiator is designed to address issues such as overheating, transmission fluid overheating, coolant leaks, reduced cooling efficiency, and radiator core damage in these specific models.

Installation Notes and Tips

  • Ensure proper hose clamp tightening on inlet and outlet connections to prevent leaks
  • Verify compatibility with vehicle make and model before installation
  • Flush the cooling system prior to installation to remove debris and contaminants
  • Check transmission fluid levels after installation due to integrated transmission oil cooler

Quality Assurance and Warranty

TYC Radiator 2563 is manufactured to meet OEM standards for fit, form, and function. The aluminum core construction provides corrosion resistance and durability. While specific warranty details are not provided, TYC products typically come with a limited warranty covering defects in materials and workmanship.

BrandTYC
Part Number2563
PositionTYC Radiator, Primary
Core MaterialAluminum
Transmission Oil Cooler IncludedYes
Transmission Oil Cooler TypePlate oil cooler
Engine Oil Cooler IncludedNo
Bottom Header2.31x27.5
Core Height (in)26.69
Core Length (in)18.11
Core Thickness (in)1.02
Fin Count (every 4")73
Fin Wave Height (in)0.31
Find Wave Pitch2.8
Flow ConfigurationDownflow
Inlet Connection TypeHose clamp
Inlet Diameter (in)1.30
No. Of Rows1
Outlet Connection TypeHose clamp
Outlet Diameter (in)1.57
Toc Distance (in)11.50
Top Header2.31x27.5
Total Fin Row Count68
Total Tube Count67
Tube Count (every 4")10
Tube Width X Height26x2

This part fits 30 vehicles. Search below:

YearMakeModelSubmodelBody TypeTransmissionLitersCylindersPositionNotes
2009ChevroletTrailblazerSSSport Utility6.0LV8PrimaryTYC Radiator
2009GMCEnvoyDenaliSport Utility5.3LV8PrimaryTYC Radiator
2009Saab9-7x5.3iSport Utility5.3LV8PrimaryTYC Radiator
2008ChevroletTrailblazerAutomatic5.3LV8N/ATYC Radiator
2008GMCEnvoyAutomatic5.3LV8N/ATYC Radiator
2008Saab9-7xAeroSport Utility6.0LV8PrimaryTYC Radiator
2007BuickRainierAutomatic5.3LV8N/ATYC Radiator
2007ChevroletTrailblazerAutomatic5.3LV8N/ATYC Radiator
2007ChevroletTrailblazerAutomatic6.0LV8N/ATYC Radiator
2007GMCEnvoyAutomatic5.3LV8N/ATYC Radiator
2007Saab9-7x5.3iSport Utility5.3LV8PrimaryTYC Radiator
2006BuickRainierAutomatic5.3LV8N/ATYC Radiator
2006ChevroletTrailblazerAutomatic6.0LV8N/ATYC Radiator
2006ChevroletTrailblazerAutomatic5.3LV8N/ATYC Radiator
2006ChevroletTrailblazer EXTLSSport Utility5.3LV8PrimaryTYC Radiator
2006GMCEnvoyAutomatic5.3LV8N/ATYC Radiator
2006GMCEnvoy XLDenaliSport Utility5.3LV8PrimaryTYC Radiator
2006Saab9-7x5.3iSport Utility5.3LV8PrimaryTYC Radiator
2005BuickRainierAutomatic5.3LV8N/ATYC Radiator
2005ChevroletTrailblazer EXTLTSport Utility5.3LV8PrimaryTYC Radiator
2005GMCEnvoyAutomatic5.3LV8N/ATYC Radiator
2005GMCEnvoy XLSLESport Utility5.3LV8PrimaryTYC Radiator
2005GMCEnvoy XUVSLTSport Utility5.3LV8PrimaryTYC Radiator
2005Saab9-7xArcSport Utility5.3LV8PrimaryTYC Radiator
2004BuickRainierAutomatic5.3LV8N/ATYC Radiator
2004ChevroletTrailblazer EXTNorth FaceSport Utility5.3LV8PrimaryTYC Radiator
2004GMCEnvoy XLSLESport Utility5.3LV8PrimaryTYC Radiator
2004GMCEnvoy XUVSLESport Utility5.3LV8PrimaryTYC Radiator
2003ChevroletTrailblazer EXTLTSport Utility5.3LV8PrimaryTYC Radiator
2003GMCEnvoy XLSLTSport Utility5.3LV8PrimaryTYC Radiator

* 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:

21506

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