Platinum Spark Plug
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Platinum Spark Plug
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Autolite Platinum Spark Plug

Part No. AP45 Warranty Details  
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Autolite Platinum Spark Plugs provide a center wire platinum firing tip for improved performance.

Product Features:
  • Super conductive Yttrium enhanced ground electrode provides superior heat transfer
  • Full platinum tip assures virtually no gap erosion for longer plug life
  • Leak proof, heat fused resistor for durability
  • 4 year limited warranty
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Electrode Tip Material:Platinum
Reach:.460 in
Seat Type:Tapered
Thread Diameter:18 mm
Tip Configuration:Power
Wrench Diameter:13/16 in

Do you have questions about this product?


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.

3 Questions | 3 Answers
Displaying questions 1-3
  • Q:

    What is the gap on the AP104?
    Asked on 1/3/2017 by KidRock from Bristol ,Va.

    1 answer



      Hi KidRock, glad to assist you! This Autolite Platinum Spark Plug - Part No. AP45 is pre-gapped at 0.044"-inch from the factory. However, the gap must be adjusted for the vehicle that the spark plug is intended for.

      Answered on 1/4/2017 by Solomon from AAP
  • Q:

    Can this plug be gapped at .045? I'm running a Pertronix igniter II and Flamethrower II coil and wanted to increase the gap for greater efficiency.
    Asked on 2/21/2013 by Bob from Ga

    1 answer



      Yes, with reference to your inquiry on the Autolite Single Platinum Spark Plug -part# AP45, you can very well gap this spark plug at .045" with a spark plug gauge for your Pertronix igniter II and Flamethrower II coil. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

      Answered on 2/22/2013 by Vincent from AAP
  • Q:

    is this sparkplug pre-gapped to factory specs for the 67 ford mustang 289 v8?
    Asked on 1/26/2013 by CT swamp yankee from Woodbury, CT

    1 answer



      Yes, this Autolite Single Platinum Spark Plug - part# AP45 is pre-gapped at 0.035 for your 1967 Ford Mustang. For any further assistance, please visit your nearest Advance Auto store or call us directly at 1-877-ADVANCE (238-2623) and one of our representatives there would be more than happy to assist you.

      Answered on 1/26/2013 by Vincent from AAP
Displaying questions 1-3

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