DENSO VXUH22 Iridium Tough Spark Plug

Marsoni

M251S

$85.99

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

DENSO VXUH22 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

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No reason not to go OEM for this! Came with every possible gasket and seal I could need. Specifically for my Alpha One Gen 1 it took maybe 25-30 min to completely install. While you’re there check the base plate for wear and the other surrounding items like your water tube. Rather keep the lower unit off for an extra day to get another part than a catastrophic failure.

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Reviewed in the United States on September 9, 2025

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Taylor 🤍

Lowell, US

★★★★★ 5

Husbands things

My husband bought this. I don’t know much about it but he has zero complaints. He bought it for a boat. He has fixed up 2 boats, sold one & we kept the other. So he apparently knows what to buy & how to use it.

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Reviewed in the United States on November 6, 2025

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Edward W.

Chelsea, US

★★★★★ 4

Amazon is easy and fast . No problems the oarts was exactly as described.

liked that everything was in one bag . and could make sure everything was changed .

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Reviewed in the United States on August 3, 2020

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Justin Yeager

Lake Worth, US

★★★★★ 5

Stay cool

Just what I needed, super fast shipping

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Reviewed in the United States on October 19, 2025

Verified Purchase

Crimson

Dallas, US

★★★★★ 5

Outboard is Cooling

The repair kit arrived on time as scheduled. The kit contained everything needed to replace the Mercury 175 OptiMax impeller. The engine is cooling now and we are back on the water without issue. Easy replacement.

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Reviewed in the United States on July 5, 2023