Macs Flush Kit Injector
Macs Flush Kit Injector

Macs Flush Kit Injector

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In order to protect your marine engine from corrosion, it is essential to flush out buildup of salt and minerals causing rust and corrosion. Macs Flush Kit Injector together with MACS Flushing Additive is a cost effective and preventative maintenance system that will prolong the life of your outboard, inboard, stern drive or jet ski.

Unlike simple venturi systems, the MACS Injector has two tubes, a long one for slow water feed and a short one for the uptake of premixed solution via the main water flow.

This has the following advantages:

  • The Injector works consistently in all water pressures, flow rates and motor sizes.
  • The Injector is unaffected by back pressure
  • MACS Ultrafilm is already pre-mixed, before injection into the cooling system.

The unit also has these qualities:

  • once assembled, the unit is virtually leakproof..
  • the glass reinforced nylon body is indestructible.
  • the polycarbonate bowl includes easy to read measurements

To be used with:

  • Outboard engines
  • Inboard engines
  • Jet Skis
  • Stern Drives

After ordering online, you will receive an automated email confirmation containing your order details. Your order will then be confirmed within a few minutes of placing your order.

It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example, chain may come by road, some electronic equipment by air.

Most orders are shipped within 2 - 5 Days

Shipping rates

Orders delivered to Australian Post Codes under $399 attract an $15.00 shipping charge.

Orders of $399 or more ship free.* Excludes Bulky Or Dangerous Goods

For Remote areas and bulky items. If the cost to send is vastly different to our standard delivery costs, someone from our team will contact you prior to dispatch to arrange further payment or to issue a refund if you are not happy with the additional charges.

International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

Should you have any queries or concerns about shipping, please don't hesitate to get in touch by clicking the support button on bottom right of the page.

What Our Customer Say

i ordered 6 port holes and these guys found exactly what i needed and went out of there way so much to help me 5 star service .


Prompt shipping and a good price. Item was well packed and arrived as ordered and undamaged. Thanks

Tom Mercer

Good quality parts easy to order on downside a couple of delays but they were quick to call and let me know

Darcy Scholte

Good service. Parts delivered on time and in good condition. There was a bit of mix up with one of my first orders but very promptly sorted and sent our to...


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