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Original Rubber Spark Plug Protector
Original Rubber Spark Plug Protector
Original Rubber Spark Plug Protector
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Original Rubber Spark Plug Protector

Marsoni M251S
Sale price$29.00
Pay 4 payments of $7.25 a month.Shop Pay
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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 2236 reviews
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Product Reviews
J
Verified Purchase
J. Stewart
Whiting, US
★★★★★ 5
High quality and all the right connection types
This works great. I've used it for both my MAC and PC. I really love the Ethernet on the end and the HDMI connections (which modern laptops don't include at times). This is a great adaptor and highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
B
Verified Purchase
B. Thompson
Boise, US
★★★★★ 4
One complaint
Works very well and solved port issues on my X1 Carbon. My only quibble is that the C interface cable from the unit to the PC is a bit too stiff and tends to lose connection if things move about.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
H
Verified Purchase
HauntedBurgerz
Louisville, US
★★★★★ 5
Perfect for my use
Works as intended. Solid build quality and works with my Windows laptop through the USB C connection. I wish the product description would clarify that the USB ports do not support video.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
A
Verified Purchase
Amazon FAN!!!
Grantham, US
★★★★★ 5
Good Buy
It's been more than a month it works great, no issues. Does not heat up, good material, compatible with both Mac and Windows, I have both OS laptops.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
S
Verified Purchase
salila t.
Louisville, US
★★★★★ 5
Great item!
works great. I can plug my backup into it and my printer, so I don't need to connect the printer to the internet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

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