NGK
NGK 3521 CR9EIX Iridium Ix Spark Plug
NGK 3521 CR9EIX Iridium Ix Spark Plug
Fits these machines
Verify fit- Make
- Arctic CatPolarisTextronYamaha
- Model
- Ranger 900 XPRanger RZR XP 4 900Ranger RZR XP 900Wildcat XXYXZ 1000RYXZ1000R SS
- Years
- 2011–2024(selected years in this range)
- Type
- ATVUTV
This part covers more than one machine. The lists above are combined, not paired — confirm your exact model and year before ordering, or text us the machine and we’ll confirm it.
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Fine Iridium tip ensures high durability and a consistently stable spark
Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
Outstanding acceleration, high fuel efficiency and durability
Ultimate design, technology and performance
⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov.
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