5503 Autolite Spark Plugs Spark Plug OE Replacement

Discover the unmatched quality and performance of the 5503 Autolite Spark Plugs, the perfect OE replacement for your vehicle's ignition system. With over 100 years of expertise, Autolite has produced more than 11 billion spark plugs, ensuring reliability and excellence in every product.

Key Features:

• Designed for Precision: Each spark plug is tailored for specific applications, guaranteeing OE quality and performance.
• Durable Construction: The copper-glass seal bonds the insulator and terminal post center electrode, ensuring a gas-tight seal that is 100% leak proof.
• Enhanced Performance: The full copper core electrode provides superior ignition performance in all conditions, delivering quick starts, good fuel economy, and smooth acceleration.
• Multi-Rib Insulator: Reduces the risk of flash-over, enhancing safety and reliability.
• Strength & Stability: The one-piece terminal post adds strength, while precision rolled threads ensure a proper fit.
• Resistor Technology: Reduces radio frequency interference (RFI) and minimizes electrode erosion, ensuring longevity and consistent performance.

Specifications:

• Reach: 3/4 Inch
• Resistor: Yes
• Electrode Type: OEM
• Core Material: Copper
• Insulator Type: Projected
• Thread Size: 14 Millimeter
• Seat Type: Gasket
• Wrench Diameter: 5/8 Inch Hex

Trust Autolite to provide the right ignition products for any vehicle, whether it's Japanese, European, Korean, or domestic. With a limited 2-year warranty, you can be confident in your purchase. Upgrade your vehicle's performance with the 5503 Autolite Spark Plugs today!