On3

4th Gen F-Body Vertical Aluminum Radiator Kit

$299.00

SKU: 4TH-GEN-RADIATOR-1

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The On 3 Performance 4th Gen F-Body Vertical Aluminum Radiator Kit is a custom-designed aluminum radiator specifically engineered for the Twin-Turbo F-Body market. It addresses the complexities of building a custom cooling system by offering a direct bolt-in solution for a quick and straightforward installation. The radiator includes unique inlet and outlet configurations and retains functionality with provisions for the factory steam vent ports. A key design feature is the tight 90-degree bend on the top radiator inlet, strategically placed to ensure the radiator hose remains clear of turbos and larger cooling fans, contributing to a cleaner engine bay appearance. This radiator is suitable for both twin-turbo setups and Naturally Aspirated applications seeking to enhance their cooling capacity, maintaining optimal engine temperatures even on hot days. Installation of this radiator kit does require some trimming of the core support. While the exact cuts may vary depending on specific builds, this modification is presented as a necessary step for performance-oriented modifications. Each kit includes the On 3 Performance Custom Aluminum Radiator, a custom CNC laser-cut lower radiator support, custom CNC laser-cut mounting brackets, and the necessary hardware for installation.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandOn3
Part Number4TH-GEN-RADIATOR-1
CategoryHeating and Cooling

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy