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Denso

Denso 5391 Spark Plug

Part # 5391
Item # 1004Z4PN
$20.99
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Dispatch within 1 business day
90 days free return

Specifications

Brand
Denso
Warranty
3-Year
Item Located
United States
Quantity
1
Center Electrode Core Material
Copper
Center Electrode Tip Material
Iridium
Ground Configuration
Standard
Ground Electrode Core Material
Nickel
Ground Electrode Quantity
1
Ground Electrode Tip Design
Tapercut, U-Groove
Hex Size (mm)
20.6
Manufacturer Heat Range
24
Pre-Gap Size (mm)
0.8
Reach (mm)
19
Resistance (ohms)
5000.0
Seat Type
Flat
Thread Diameter (mm)
14.00
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Features

Denso 5391 Spark Plug, with advanced manufacturing processes, meets OEM quality standards and is a trusted supplier in the automotive aftermarket.
  • Minimizes heat interference, ensuring maximum firing potential.
  • Recognized as one of the best spark plugs available for superior reliability.
  • Delivers consistent OE-level performance for optimal engine operation.
  • Engineered to withstand extreme conditions, ensuring reliable performance over time.
  • Offers a smoother ride with quicker acceleration and stable idling.

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Specifications

Part interchange

Part numbers listed below indicate interchangeable parts. These parts share the same size, parameter, function and compatibility. However, please note that items from different brands may have minor variations.
5391, 5-391 - NAPA, DENSO AUTO PARTS
IWM24 - DENSO AUTO PARTS

Compatibility

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This part is compatible with (19)vehicles
All
Kawasaki
KTM
1997 - 1997KTM360 MXC
1997 - 1997KTM360 SX
1997 - 2004KTM300 MXC
1997 - 2005KTM250 EXC
1998 - 2001KTM250 MXC
1998 - 2001KTM380 MXC
1998 - 2002KTM380 EXC
1998 - 2002KTM380 SX
1998 - 2004KTM300 EXC
2002 - 2008KTM65 SX
2003 - 2006KTM50 SX Pro Sr LC
2003 - 2007KTM50 Mini Adventure
2003 - 2007KTM50 SX Pro Jr LC
2003 - 2007KTM50 Sr Adventure
2006 - 2006KTM250 SXS
2007 - 2007KTM50 SX
2008 - 2008KTM50 SX Mini
2005 - 2006KawasakiKX250
2007 - 2007KawasakiKX250

Highlights

Note detail

Shipping and warranty

  • Fast shipping

    The order will be dispatched within 1 business day, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details.

  • Easy return

    Every order comes with a 90-day free return which means you don't have to pay for a return slip. Please click Return Policy for more details.

  • Warranty policy

    All parts are quality-tested to meet the top-tier aftermarket standards. Please click Warranty Policy for more details.

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Guaranteed Fit

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Reviews

Dispatch within 1 business day
90 days free return

Attention to customers from California:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov/.