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TYC 2563 Radiator - Primary
| Brand | TYC 2563 |
|---|---|
| Position | Primary |
| Core Material | Aluminum |
| Transmission Oil Cooler Included | Yes |
| Transmission Oil Cooler Type | Plate oil cooler |
| Engine Oil Cooler Included | No |
| Bottom Header | 2.31x27.5 |
| 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 Pitch | 2.8 |
| Flow Configuration | Downflow |
| Inlet Connection Type | Hose clamp |
| Inlet Diameter (in) | 1.30 |
| No. Of Rows | 1 |
| Outlet Connection Type | Hose clamp |
| Outlet Diameter (in) | 1.57 |
| Toc Distance (in) | 11.50 |
| Top Header | 2.31x27.5 |
| Total Fin Row Count | 68 |
| Total Tube Count | 67 |
| Tube Count (every 4") | 10 |
| Tube Width X Height | 26x2 |
| Product line | TYC Radiator |
| Fits | Buick, Chevrolet, GMC, and Saab · 30 vehicles |
Aluminum core. Lightweight construction helps promote efficient heat transfer.
Transmission oil cooler included. Adds integrated cooling for the transmission fluid circuit.
Hose clamp connections. Simplifies hose attachment for a secure, straightforward install.
Cross-references ACDelco 21506, APDI 8012563 and CSF 1290 for the same application. See all 14.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
TYC Radiator for GM SUV Cooling Replacement
The TYC Radiator 2563 is an aluminum replacement radiator built for select GM and Saab applications that use a downflow cooling layout and an integrated transmission oil cooler. It matches the core dimensions and hose-clamp connections needed for direct-fit service on vehicles such as the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x.
- Aluminum core construction for efficient heat transfer
- Downflow flow configuration
- Transmission oil cooler included with plate oil cooler design
- No engine oil cooler included
- Inlet diameter: 1.30 in. with hose clamp connection
- Outlet diameter: 1.57 in. with hose clamp connection
- Core dimensions: 26.69 in. height, 18.11 in. length, 1.02 in. thickness
- Single-row design with 67 total tubes and 68 total fin rows
Product Line Details
TYC Radiator replacement parts are built to match OE-style fitment and cooling-system requirements for specific vehicle applications. Part number 2563 follows the original-style radiator layout with a built-in transmission cooler, making it a direct replacement choice for vehicles that rely on the factory cooling configuration.
Detailed Description
TYC Radiator 2563 is engineered for vehicles that require a downflow radiator with hose-clamp inlet and outlet connections. The aluminum core, plate-style transmission oil cooler, and OE-matched dimensions support proper coolant flow and transmission fluid cooling in applications such as the 2009 Chevrolet Trailblazer, 2009 GMC Envoy, and 2005-2009 Saab 9-7x. This radiator also cross-references ACDelco 21506 for the same application.
Common Cooling Issues Addressed
- Cracked or leaking radiator tanks
- Restricted coolant flow from an aging core
- Transmission temperature concerns tied to a failed cooler circuit
- Corrosion or tube damage in the original radiator
- Overheating caused by reduced heat dissipation
Installation Notes and Tips
Verify core dimensions, inlet and outlet sizes, and transmission cooler routing before installation. This radiator uses hose-clamp connections and a downflow configuration, so confirm the vehicle’s factory layout matches the part before removal of the original unit. Flush the cooling system and inspect hoses, clamps, and coolant condition during replacement. Fits 2009 Chevrolet Trailblazer, Primary; Fits 2009 GMC Envoy, Primary; Fits 2005-2009 Saab 9-7x, Primary; Fits 2006-2008 Chevrolet Trailblazer, N/A; Fits 2005-2008 GMC Envoy, N/A; Fits 2004-2007 Buick Rainier, N/A; Fits 2003-2006 Chevrolet Trailblazer EXT, Primary; Fits 2003-2006 GMC Envoy XL, Primary; Fits 2004-2005 GMC Envoy XUV, Primary.
Quality Assurance
This TYC radiator is built to OE-style specifications for the listed applications, with aluminum construction and an integrated transmission oil cooler to match factory cooling requirements.
| Year | Make | Model | Submodel | Body Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | SS | Sport Utility | — | 6.0L | V8 | Primary | TYC Radiator |
| 2009 | GMC | Envoy | Denali | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2009 | Saab | 9-7x | 5.3i | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2008 | Chevrolet | Trailblazer | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2008 | GMC | Envoy | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2008 | Saab | 9-7x | Aero | Sport Utility | — | 6.0L | V8 | Primary | TYC Radiator |
| 2007 | Buick | Rainier | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2007 | Chevrolet | Trailblazer | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2007 | Chevrolet | Trailblazer | — | — | Automatic | 6.0L | V8 | N/A | TYC Radiator |
| 2007 | GMC | Envoy | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2007 | Saab | 9-7x | 5.3i | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2006 | Buick | Rainier | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2006 | Chevrolet | Trailblazer | — | — | Automatic | 6.0L | V8 | N/A | TYC Radiator |
| 2006 | Chevrolet | Trailblazer | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2006 | Chevrolet | Trailblazer EXT | LS | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2006 | GMC | Envoy | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2006 | GMC | Envoy XL | Denali | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2006 | Saab | 9-7x | 5.3i | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2005 | Buick | Rainier | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2005 | Chevrolet | Trailblazer EXT | LT | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2005 | GMC | Envoy | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2005 | GMC | Envoy XL | SLE | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2005 | GMC | Envoy XUV | SLT | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2005 | Saab | 9-7x | Arc | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2004 | Buick | Rainier | — | — | Automatic | 5.3L | V8 | N/A | TYC Radiator |
| 2004 | Chevrolet | Trailblazer EXT | North Face | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2004 | GMC | Envoy XL | SLE | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2004 | GMC | Envoy XUV | SLE | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2003 | Chevrolet | Trailblazer EXT | LT | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
| 2003 | GMC | Envoy XL | SLT | Sport Utility | — | 5.3L | V8 | Primary | TYC Radiator |
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