Aluminum Radiator for Scion xB (2008-2015) 2.4L

High-Efficiency Aluminum Radiator for 2008-2015 Scion xB

What it Does: The Aluminum Radiator replaces the failure-prone plastic-tank unit on the 2008-2015 Scion xB to optimize thermal heat rejection and prevent catastrophic cooling system failure under demanding driving conditions.

The Stock Scion xB Radiator Weakness

Factory radiators on the second-generation AZE151 chassis rely on crimped, resin-molded plastic end tanks joined to a thin single-row aluminum core. Over operational thermal cycles, continuous expansion and contraction degrade the brittle composite tanks and degrade the internal rubber elastomer gaskets. This design routinely develops stress fractures at the upper radiator neck and tank seams, resulting in rapid coolant loss, severe overheating, and potential head gasket warp on the all-aluminum 2AZ-FE engine block.

The Engineering Solution

This cooling upgrade incorporates a heavy-duty, dual-row brazed aluminum core engineered to dramatically increase surface area and fluid heat dissipation over factory dimensions. Hand-finished 100% TIG-welded aluminum end tanks eliminate OEM crimp seams and composite plastic failure modes entirely. Designed with precision-machined inlet and outlet ports, standard fan shroud mounting points, and brazed internal passages, this unit maximizes cooling fluid dwell time to resist engine heat soak during aggressive driving, high-load commuting, or track conditions without requiring modifications.

Technical Specifications

Compatibility

• 2008-2015 Scion xB Base Wagon 4-Door 2.4L 2362CC l4 GAS DOHC Naturally Aspirated

Frequently Asked Questions

Does this fit the AZE151 xB?
Yes, this is a direct bolt-in fit for the 2008-2015 Scion xB equipped with the 2.4L 2AZ-FE engine.

Do factory electric cooling fans and brackets transfer over directly?
Yes, the mounting points match factory locations to accept standard OEM electric fan assemblies and brackets.

The Scion Performance Standard

Maintain consistent thermal efficiency and unleash reliable power delivery from your tuned or daily-driven JDM platform with high-grade all-aluminum cooling hardware built to outlast factory limits.