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Product Information

Product Details
Part No. HT15
Warranty Details (4 YR REPLACEMENT IF DEFECTIVE)
With over 100 years of engineering expertise and over 11 billion plugs sold, Autolite delivers exceptional performance. Designed and engineered in the USA, these Double Platinum spark plugs feature a high nickel alloy side electrode that maintains a precise gap, and a full platinum tip that ensures virtually no gap erosion for long life. The necked-down center electrode fires quicker and cleaner with less voltage, providing easier starts, quicker acceleration, and improved fuel economy compared to standard plugs. The tapered seat type further enhances the plug's durability and performance.

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)
  • OE Design Exclusively for Ford 3V Engines: Tailored specifically for Ford 3V engines, ensuring optimal compatibility and performance.
  • Tapered Seat Type: Designed with a tapered seat type to enhance the spark plug's durability and overall performance.
  • Engineered in the USA: Designed and engineered in the USA, leveraging over 100 years of Autolite's engineering expertise and experience.
Specifications
Center Electrode Core Material:
Copper

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:
5000

Pre-Gap Size:
0.053 in

Pre-Gap Size:
1.3 mm

Thread Diameter:
16 mm

Hex Size:
9/16" in

Hex Size:
14 mm

Seat Type:
Tapered

Resistor Type:
Yes
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