Original Rubber Spark Plug Protector

Marsoni

M251S

$29.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Original Rubber Spark Plug ProtectorOriginal German Isolator zundei or spark egg. It is a rubber case to protect spare spark plugs and keep them ready for use. Price is for one holder; spark plug is NOT included! These are absolutely indispensable for original vehicles. They are a little dirty, but still in decent, usable shape. These are difficult to come by in good condition. They are advertised in the 1931 Stukenbrok Hauptkatalog.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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Missing the bolt that attaches the base to the center post. We contacted the vendor and they responded, "We want to assure you that all our parts undergo rigorous inspection and careful packaging before shipment. If you could kindly check the box again for any missing parts, it would be greatly appreciated. Best Regards Yaheetech Customer Service Team" Really, like we didn't checked the box? Responded back to the vendor that we tore the box apart, no bolt. They have gone silent. Update, vendor has offered a partially refund, guess I'll head to Home Depot and look for a replacement bolt. What a pain. Went from 1 to 3 stars for at least contacting us.

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Reviewed in the United States on May 24, 2026