Autolite Spark Plug (MPN: APP5144)

High-Performance Spark Plug for Optimal Engine Functionality

The Autolite Spark Plug APP5144 is engineered to deliver exceptional ignition performance and reliability. Designed as an OE replacement, this spark plug features advanced technology that enhances engine efficiency and longevity. With over a century of experience in the automotive industry, Autolite ensures that each spark plug meets or exceeds original equipment standards for quality and performance.

Features

• Platinum-to-Platinum firing for enhanced durability, offering 30 percent more lifespan
• Minimizes gap erosion, reduces misfires, and enhances overall durability
• Superior performance for Distributors Ignition System (DIS) engines
• High nickel alloy side electrode for improved conductivity
• Full platinum tips on both center and side electrodes to reduce gap wear
• Necked-down center electrode design for better ignition
• Full copper core center electrode for optimal heat dissipation
• Proprietary platinum ball welding process for consistent contact and adhesion
• Optimizes engine performance, extends lifespan, improves fuel economy, and facilitates easier starts

Specifications

• Manufacturer: Autolite Spark Plugs
• Manufacturer Part Number: APP5144
• Resistor: No
• Electrode Type: OEM
• Electrode Core Material: Copper
• Electrode Tip Material: Double Platinum
• Insulator Type: Projected
• Thread Size (IN): 0.551 Inch
• Quantity: Single
• Reach: 0.708 Inch
• Seat Type: Tapered
• Wrench Diameter: 5/8 Inch