Honda CX500, GL500 Aftermarket Nylon Radiator Drain Plug 19013-415-004 Review

Need a new radiator plug for your Honda CX500, GL500, CX650 or GL650? Bert Brand has had some new radiator drain plugs CNC-machined out of nylon to replace the Honda part # 19013-415-004 (sometimes you can find one on eBay US, eBay AU). While compatible drain plugs are available in some countries, they’re not readily available everywhere – or not cheaply, at least. So what do you get?

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

They’re nicely packaged, embedded in carboard in a padded envelope. The plugs themselves look like so:

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

Looks rather like the OEM ones. They come with a rubber washer:

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

Here’s a closeup of the machined edges:

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

They’re quite precise. Compared to the stock plug:

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

Not hard to tell which is which. The old plug’s seal was starting to look pretty crusty, anyhow:

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

But does it fit the radiator?

Here are some photos of an aftermarket offering to replace the Honda part 19013-415-004 - the radiator drain plug on a Honda CX500 or GL500 motorcycle, and probably others. Featured in a review on MotoFaction.org.

Perfectly.

If these aren’t readily available to you for less than € 5,50 (shipping € 4,75 world-wide), these are well worth looking at.

You can check out Bert’s eBay store by clicking here. He can also be contacted via private message on cx500forum.com or the Australian CX register.

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