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NGK Spark Plugs 3981 Spark Plug for Various Applications - Picture 1 of 2
NGK Spark Plugs 3981 Spark Plug for Various Applications - Picture 2 of 2

NGK 3981 Secondary Ignition - Spark Plug

5.018 product ratings
Adventure Club Parts (10533)
98.9% positive feedback
Price:
US $22.23
ApproximatelyAU $34.23
+ $17.56 postage
Estimated delivery Tue, 24 Jun - Thu, 3 Jul
Returns:
30-day returns. Buyer pays for return postage. If you use an eBay postage label, it will be deducted from your refund amount.
Condition:
Brand New
Part Number 3981. We are an authorized dealer for NGK Spark Plugs. The color, quantity, size, etc. may not be accurate. The compatibility section is not always 100% accurate.

About this product

Product Identifiers

BrandNGK
Manufacturer Part Number3981
eBay Product ID (ePID)112942089

Additional Product Features

NotesCenter Electrode Core Material--Copper, Ground Electrode Core Material--Nickel, Skirt Length--0.0, Center Electrode Insulator Tip Projection--0.06, Skirt--No, Thread Diameter--0.551, Center Electrode Projection--Non-Projected, Ground Electrode Tip Material--Nickel, Resistor Type--Yes, Ground Electrode Quantity--1, Electrical Terminal Type--Removable Nut, Manufacturer Heat Range--9, Hex Size--13/16", Stock Number--3981, Center Electrode Design--Fine Wire, Seat Type--Flat, Grade Type--Performance, Ground Electrode Tip Design--Taper Cut, Reach--0.750, Pre-Gap Size--.032, Insulator Material--Ceramic, Resistance--5000.0, Washer Included--Yes, Insulator Height--2.13, Center Electrode Tip Material--Iridium, Washer Type--Crush, Short Style Spark Plug--No, Ground Configuration--J-Gap
Sub TypeSpark Plug
Part TypeSecondary Ignition

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listings for this product

Ratings and reviews

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5.0
18 product ratings
  • 18 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 16 reviews
  • by christophesange-0
    02 Jul, 2022

    Great plug I've bought many and I'll buy many more it's a 2 stroke so yes oil in your gas dose fowl ur plug but it's not a bad thing

    Great plug I've bought many and I'll buy many more it's a 2 stroke so yes oil in your gas dose fowl ur plug but it's not a bad thing

    Verified purchase: YesCondition: New

  • by gautley
    15 Oct, 2020

    Great Brand

    Always good brand products.

    Verified purchase: YesCondition: New

  • by bear121606
    05 Nov, 2024

    We've had good luck with this plug in my...

    We've had good luck with this plug in my son's Kawasaki KX112. Resists fouling.

    Verified purchase: YesCondition: New

  • by pepecortes1968
    03 Jun, 2020

    Very good thank

    Verified purchase: YesCondition: New

  • by whazzup2
    13 Feb, 2022

    Best quality replacement plugs for Polaris.

    Great product. Fantastic price.

    Verified purchase: YesCondition: New

  • by dianez982qmo
    16 Feb, 2025

    So far, so good

    No complaints, works as expected.

    Verified purchase: YesCondition: New

  • by mwin8208
    28 Jul, 2022

    Good plug

    Good plug holes up in the heat and under high compression

    Verified purchase: YesCondition: New

  • by drechsteiner
    10 Jun, 2024

    Got my bike back at it peak performance

    Got my bike back at it peak performance

    Verified purchase: YesCondition: New

  • by ccrider49
    11 May, 2024

    Work just as intended on kx125 2 cycle dirt bike.

    Work just as intended on kx125 2 cycle dirt bike.

    Verified purchase: YesCondition: New

  • by daniemeiste-0
    13 Aug, 2024

    nice plugs

    they work great

    Verified purchase: YesCondition: New

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