Garrett GT – 18X12.1X3
Garrett GT High Density / High Efficiency “Bar and Plate” Intercooler Core.
18″ Wide x 12.1″ Tall x 3″ Thick
Comes ready to assemble onto end tanks.
Details
Frequently Asked Questions About the Garrett GT – 18X12.1X3
How does the taller 12.1-inch profile benefit my cooling setup?
The increased height maximizes the frontal surface area exposed to ambient air, allowing for superior heat exchange in vehicles that have taller bumper openings but limited width.
Does the Garrett 18x12.1x3 core come with pre-welded tanks?
No, this is a builder's core. It is supplied without end tanks, requiring custom fabrication to match your specific intercooler piping and mounting points.
Why is the Bar and Plate design preferred over Tube and Fin?
Garrett's Bar and Plate construction offers greater thermal inertia and structural durability, making it better suited for handling high boost pressures and resisting damage from road debris.
Is this core suitable for vehicles with limited horizontal space?
Yes. The 18-inch width is ideal for narrower frame rails, while the substantial 12.1-inch height compensates for the reduced width to maintain high cooling capacity.
How does the high-density core affect intake temperatures?
The high-density fin structure packs more cooling surface area into the 3-inch thickness, resulting in rapid heat dissipation and significantly lower intake air temperatures during boost.
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