Delrin Window Bushings

Mazda OEM window guide bushings eventually break down and gunk up with old lubricant. Replacing them with more durable and slippery delrin parts brings windows back to a smooth glide.

Do not over-tighten the screw because and risk breaking the glass. I had to sand the bottoms of the bushings a little bit shorter so that they could spin freely with the screws tightened.

Supposedly Honda Shin-Etsu silicone grease is the world’s best lubricant, but I just used Super Lube.

OEM window bushing covered in gunk
New delrin window bushing and cleaned window
Delrin window bushing
PartPrice
Moss Miata – Delrin Window Bushings by Cobalt$25
Honda Shin-Etsu Grease OR Super Lube Silicone Grease $19-$13

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