I went to and found an article on headlight repair by Juan Sepulveda which indicated that the bushings were available at Mid-America. I went there and found that they were approximately $5 with approximately $20 shipping. I have two 1990 ZR1's so I needed 4 which would amount to about $40.


The big catch was that I wanted it now so I racked my brain and remembered a plastics place on 190th and Vermont in Torrance CA and knew that they had Teflon there. I figured that would probably work. I went there and they told me that Derlin was Dupont's trademark for Acetal so I bought a 33 inch long rod at 7/16 diameter for a little over $3.


I was so happy that I gave them $5. I checked the depth and found that it was .4805 in. and ended up cutting them and sanding to around .465 in. If someone has a unused one and wants to get the real value on a micrometer and send it to me, I will be happy to add it to this article. The headlight motor now works fine. I hear that the delrin bushings are way stronger than the factory nylon and should last forever. Jim Blanchard

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