NGK Spark Plug KR8AI 5477

NGK Spark Plug KR8AI 5477. Find the product specifications and compatibility information below.

Product details

• Product: NGK Spark Plug KR8AI 5477
• Part number: 37-KR8AI
• Brand: NGK
• NGK Lazer Iridium Spark Plug - KR8AI
• Laser-welded Iridium center electrode tip.
• Platinum disc welded to the backside of the ground electrode for extended life.
• Trivalent Metal Plating for superior anti-corrosion and anti-seizing.
• Provides faster starts and quicker acceleration.
• Improves fuel economy and reduces emissions.
• Best OEM Iridium spark plug available.
• Original Equipment Manufacturer approved design.
• Sold individually.
• Note: For an Iridium IX Plug, order DCPR8EIX.
• Heat Range: 8
• Thread Size: 12 mm
• Type: Resistor
• Units Sold: Each
• Weight: 0.12 lbs
• Alternate/OEM Part Numbers: 21030009, 5477
• Compatible Arctic Cat Models:
• 4-Stroke Series: 2001, 2003 (Touring), 2002 (Touring), 2003 (Trail), 2002 (Trail).
• Bearcat Wide Track: 2008, 2007, 2006, 2005, 2004, 2003.
• Bearcat Wide Track Turbo: 2008, 2007, 2006.
• Bearcat Wide Track Turbo Articulating: 2008, 2007.
• Panther 660: 2008, 2006.
• Panther 660 Touring: 2007.
• Panther 660 Trail: 2007, 2006.
• T660 Touring: 2006, 2005, 2004.
• T660 Turbo: 2006, 2005, 2004.
• T660 Turbo LE: 2006.
• T660 Turbo ST: 2006, 2005.
• T660 Turbo Touring: 2007, 2006, 2005, 2004.
• T660 Turbo Touring LE: 2007, 2006.
• T660 Turbo Trail: 2007.
• T660 Turbo Trail LE: 2007.
• Compatible Harley-Davidson Models:
• Night Rod - VRSCD: 2006, 2008 (EFI), 2007 (EFI).
• Night Rod Special - VRSCDX: 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008 (EFI), 2007 (EFI).
• Street Rod - VRSCR: 2006, 2007 (EFI).
• V-Rod - VRSCA: 2006, 2005, 2004, 2003, 2002.
• V-Rod - VRSCAW: 2010, 2009, 2008 (EFI), 2007 (EFI).
• V-Rod - VRSCB: 2005, 2004.
• V-Rod Muscle - VRSCF: 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009.
• Additional Information:
• Part No.: 37-KR8AI (www.fdyperformance.com).
• NGK KR8AI Iridium IX Spark Plug for Harley-Davidson V-Rod models (2006-2013).
• This premium spark plug is engineered for high performance, durability, and optimized functionality, making it ideal for both Arctic Cat and Harley-Davidson models

Compatibility

No separate vehicle-fitment table record was supplied for this part. Check any application details, sizes and specifications above before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

• Call: 07765 534854
• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com