At last, here is a simple solution to the annoying black plastic plugs that break off in your Lotus Elan M100 radiator.
This high quality alloy plug is a direct replacement for the original plastic plug.
There are no modifications required - just simply screw in.
Finger grip head plus the integral screw driver slot allows easy removal and installation.
A special sealing washer is supplied to guarantee a water tight result using only finger pressure on the plug.
This exquisitely detailed component has been manufactured by using CNC machining.

Lotus Marques delivers true value again by improving the quality and reducing the price.
Price is $25.30 each including GST ($23.00 each excluding GST) Note - this includes the special sealing washer.
Purchase two of these threaded radiator plugs, one for the drain and one for the air-bleed and get both for $46.20 including GST ($42.00 excluding GST)
For peace of mind, Lotus Marques also offers a two year limited warranty on this product.
This warranty is made possible by ensuring the following design and manufacturing checks are carried out.
This high quality alloy plug is a direct replacement for the original plastic plug.
There are no modifications required - just simply screw in.
Finger grip head plus the integral screw driver slot allows easy removal and installation.
A special sealing washer is supplied to guarantee a water tight result using only finger pressure on the plug.
This exquisitely detailed component has been manufactured by using CNC machining.


Lotus Marques delivers true value again by improving the quality and reducing the price.
Price is $25.30 each including GST ($23.00 each excluding GST) Note - this includes the special sealing washer.
Purchase two of these threaded radiator plugs, one for the drain and one for the air-bleed and get both for $46.20 including GST ($42.00 excluding GST)
For peace of mind, Lotus Marques also offers a two year limited warranty on this product.
This warranty is made possible by ensuring the following design and manufacturing checks are carried out.
Qualified engineering personnel | ![]() |
Computer Aided Design software | ![]() |
Plug and play solution |
![]() |
Corrosion resistant aluminium alloy | ![]() |
Okuma CNC machining | ![]() |
Quality assurance checks | ![]() |
Manufactured by Lotus Marques | ![]() |
Copyright © 2012 Lotus Marques