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Product Information

Product Details
Part No. AP5405
Warranty Details (4 YR REPLACEMENT IF DEFECTIVE)
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite Platinum spark plugs are designed and engineered in the USA to deliver exceptional performance. Featuring a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion, these spark plugs promise long-lasting durability. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs. The gasket seat type further enhances the reliability and performance of these premium spark plugs.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
  • Exceptional Performance: Designed and engineered in the USA, Autolite Platinum Spark Plugs deliver superior performance with over 100 years of engineering expertise and more than 11 billion plugs sold.
  • Reliable and Consistent: The gasket seat type enhances the reliability and performance of these premium spark plugs, ensuring consistent and dependable operation.
  • Cleaner Ignition: The advanced design of the Autolite Platinum Spark Plug ensures cleaner ignition, contributing to better engine performance and reduced emissions.
Specifications
Center Electrode Core Material:
Platinum

Electrical Terminal Type:
Stud

Center Electrode Tip Material:
Platinum

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Tapered

Ground Electrode Tip Material:
Nickel

Reach:
0.75 in

Reach:
19.5 mm

Resistance:
4000

Pre-Gap Size:
0.05 in

Pre-Gap Size:
1.3 mm

Thread Diameter:
14 mm

Hex Size:
5/8" in

Hex Size:
16 mm

Seat Type:
Flat

Resistor Type:
Yes
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