Sale

Heating and Cooling› Thermostats, Housings and Fillers

Prestone/Zerex

Cooling System Flush Kit

$22.92 $10.99 Save $11.93

SKU: AFKIT6

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

It professionally backflushes the cooling systems of most cars and light trucks, helping to prevent engine overheating and potential damage caused by old, contaminated fluid.

This kit installs in just minutes, providing a straightforward way to keep your cooling system running at peak performance. Each kit includes a splash deflector tube, backflow preventer coupler, hose clamp, and a flush and fill tee.
Show original supplier description
By removing old, dirty coolant and accumulated rust, this kit helps maintain optimal heat transfer and prevents engine overheating, which can lead to costly repairs and premature vehicle downtime. It is a reliable solution for DIY engine health, ensuring your water pump and cooling channels remain free from harmful buildup. Each package includes a flush and fill tee, a backflow preventer coupler, a splash deflector tube, and a hose clamp for a complete, direct-fit solution. Proactive use of this flushing system helps protect your cooling system, which can account for a significant portion of a vehicle's overall engine value. By maintaining a clean system, you reduce the risk of clogs and circulation issues, keeping your engine running optimally for the long term.

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

BrandPrestone/Zerex
Part NumberAFKIT6
CategoryHeating and Cooling

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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.

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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