Spark Plug
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Motorcraft Spark Plug

Part No. ZD-1A Warranty Details  
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by PowerReviews
MotorcraftSpark Plug

(based on 1 review)

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Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


hands down


from Wantage,NJ


  • Great in the Jersey cold
  • Won't swell


  • Lil pricy but worth it

Best Uses

    Comments about Motorcraft Spark Plug:

    tried a couple different plugs this one is most revered by your research you'll see

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    Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

    2 Questions | 2 Answers
    Displaying questions 1-2
    • Q:

      Are these glow plugs self regulating
      Asked on 1/22/2014 by G-m

      1 answer



        Hey G-m! Good question. Yes, these glow plugs are self regulating as they will not overheat or give you issues.

        Answered on 1/23/2014 by John the Car-Doc from AAP
    • Q:

      Is this glow plug a spade or round style? They make two differant types for a 1986 Ford F350 w/h 6.9 diesel.
      Asked on 1/4/2013 by dana from cuba n.y.

      1 answer



        The Motorcraft Spark Plug (Part No. ZD1A) is an exact fit for your 1986 Ford F-350 Pickup. Plug Type: Glow Plug; Type - Standard Service Plug. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

        Answered on 1/4/2013 by Steve from AAP
    Displaying questions 1-2

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