HT15 Autolite Spark Plugs - Spark Plug OE Replacement

Unleash the full potential of your vehicle's ignition system with the HT15 Autolite Spark Plugs. For over a century, the Autolite® brand has been at the forefront of delivering top-notch ignition products to both the automotive aftermarket and Original Equipment manufacturers, producing over 11 billion spark plugs and glow plugs.

Exceptional Quality and Performance

Designed specifically for various applications, our spark plugs meet or exceed Original Equipment (OE) quality and performance standards. Autolite spark plugs are compatible with a wide range of vehicles, including:

• Japanese Cars
• European Cars
• Korean Cars
• Lawn and Garden Equipment
• Power Sports Vehicles

Innovative Design Features

The HT15 spark plug stands out with its unique, patented design, which offers:

• Enhanced Durability: A one-piece ground shield strap ensures improved heat transfer and ignition power.
• Superior Heat Management: The high alumina ceramic body provides excellent thermal stability.
• Extended Service Life: An improved resistor design contributes to longevity.
• Compact Engineering: Our advanced technology allows for a more compact design without sacrificing strength.
• Optimized Thread Design: A unique 10mm high thread design allows for more space, accommodating other engine components.

Technical Specifications

Each HT15 Autolite Spark Plug is designed with precision and attention to detail:

• Reach: 1 Inch
• Resistor: No
• Electrode Type: OEM
• Electrode Core Material: Copper
• Electrode Tip Material: Platinum
• Insulator Type: Projected
• Thread Size: 16 Millimeter
• Seat Type: Tapered
• Wrench Diameter: 9/16 Inch Hex

Warranty Information

We stand by our products, which is why the HT15 Autolite Spark Plugs come with a limited 90-day warranty, ensuring your peace of mind with every purchase.

Choose HT15 Autolite Spark Plugs for reliability, performance, and innovation—because your vehicle deserves the best.