★★★★★ 5
Genuine Champion Spark plugs
Genuine Champion Spark plugs at a great price!
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Reviewed in the United States on December 7, 2025
Denso VXU20 Iridium Tough Spark Plug
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Denso VXU20 Iridium Tough Spark PlugUsing the same patented 360 laser welding process as the Iridium Power spark plug, DENSO designed the long life Iridium Tough plug which is fast becoming the standard for todays high tech engines. Designed for durability under the most extreme conditions, DENSOs patented Iridium alloy is six times harder and eight times stronger than conventional Platinum making it possible to shrink the center electrode to 0. 7mm, dramatically improving ignitability
Quick Dispatch:
Your Denso VXU20 Iridium Tough Spark Plug orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Denso VXU20 Iridium Tough Spark Plug ships.
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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
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Product Reviews
★★★★★ 5
Go For It.
Good Plug
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Champion RC12YC Spark Plug
Worked perfectly for a Lawnboy Model 10646 lawnmower.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
worked ok
worked ok
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Reviewed in the United States on January 18, 2026
★★★★★ 4
Good price ! Fast delivery!
Just what I needed !
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Reviewed in the United States on October 2, 2023
