Spectra Premium CU2563 radiator for the 2006-2008 Chevrolet Trailblazer V8 5.3L, the 2006-2009 Trailblazer V8 6.0L and other vehicles carries hot engine coolant through its core so heat can leave the engine. The Spectra Premium radiator is built to meet the same durability expectations as the OE.
- Aluminum core with plastic tanks
- Down-flow design with the inlet at the top right and the outlet at the bottom right
- Built-in plated transmission oil cooler with 7 plates
- Bottom post and top flange mounting
- Single-row core, 1 inch thick and 26.3125 inches wide
Quick facts
- Part: Spectra Premium CU2563 radiator
- Fits: the 2006-2008 Chevrolet Trailblazer V8 5.3L, the 2006-2009 Trailblazer V8 6.0L and other vehicles
- Material: Aluminum core, plastic tanks
- Condition: New
Coolant leaks, an engine that runs hot or a coolant level that keeps dropping can mean the radiator is failing. Other parts can leave similar symptoms, so first look over the radiator, its tanks and hoses for wet spots, cracks or corrosion with the engine off and cool. A shop can test anything beyond that.
Fits
This radiator is a direct-fit replacement for the 2005-2009 GMC Envoy V8 5.3L and the 2005-2009 Saab 9-7X V8 5.3L, and it works as a Chevy Trailblazer radiator replacement for the 2006-2008 V8 5.3L and the 2006-2009 V8 6.0L. If your car is not named here, look up its year and engine in the "Vehicles it fits" section on this page.
Specifications
Fit and size
- Quantity per vehicle: 1
- Core: 18.125 in high, 26.3125 in wide, 1 in thick, 1 row
- Inlet diameter: 1.3125 in
- Outlet diameter: 1.5625 in
- Inlet header: 27.5625 in long, 2.375 in wide
- Outlet header: 27.5625 in long, 2.375 in wide
- Inlet location: top right
- Outlet location: bottom right
- Transmission oil cooler distance between fittings: 11.5 in
Build and materials
- Flow type: down flow
- Core material: aluminum
- Tank material: plastic
- Transmission oil cooler: internal, plated, 7 plates
- Mounting type: bottom post / top flange
- Frame: not included
- Engine oil cooler: not included
- Condition: new
- Country of origin: China
In the box
One radiator with its transmission oil cooler built in, which is also the number the vehicle takes. A frame and an engine oil cooler are not included.
Frequently Asked Questions
Is this a 2006-2008 Chevy Trailblazer radiator for the V8 5.3L?
Yes. Spectra Premium CU2563 fits the 2006-2008 Chevrolet Trailblazer V8 5.3L, and the vehicle takes one radiator.
Is this the Envoy radiator for a 2005-2009 GMC Envoy V8 5.3L?
Yes. Spectra Premium CU2563 is listed for the 2005-2009 GMC Envoy V8 5.3L. If your car is not named here, find its year and engine in the "Vehicles it fits" section.
Is this radiator's core aluminum or plastic?
The core is aluminum and the tanks are plastic. It is a single-row core, 1 inch thick, 26.3125 inches wide and 18.125 inches high.
Does this radiator have a transmission oil cooler built in?
Yes. Spectra Premium CU2563 has an internal plated transmission oil cooler with 7 plates and 11.5 inches between fittings. An engine oil cooler is not included.
What are the inlet and outlet sizes on this radiator?
The inlet is 1.3125 inches in diameter at the top right, and the outlet is 1.5625 inches in diameter at the bottom right. Mounting is bottom post and top flange.
