437 Autolite Spark Plugs Spark Plug OE Replacement

Experience superior ignition performance with the 437 Autolite Spark Plugs, designed specifically for optimal compatibility with your vehicle. With over 100 years of expertise, Autolite guarantees the highest quality in spark plug technology, ensuring a reliable and efficient engine operation.

Key Features:

• OE Quality and Performance: Autolite spark plugs are engineered to meet or exceed original equipment standards.
• Versatile Application: Suitable for a wide range of vehicles, including Japanese, European, and Korean cars, as well as lawn and garden equipment and power sports.
• Copper-Glass Seal: Provides a gas-tight seal that is 100 percent leak-proof, ensuring full required voltage at the spark gap.
• Multi-Rib Insulator: Reduces the risk of flash-over, enhancing reliability during ignition.
• Durable Construction: Features a one-piece terminal post made of cold-formed steel, precision rolled threads, and a full copper core electrode for superior performance in all conditions.
• Guaranteed Performance: Delivers quick starts, improved fuel economy, and smooth acceleration.

Specifications:

• Reach: 7/16 Inch
• Electrode Type: OEM
• Electrode Core Material: Copper
• Insulator Type: Projected
• Thread Size: 14 Millimeter
• Seat Type: Gasket
• Wrench Diameter: 13/16 Inch Hex

With a limited 2-year warranty, you can trust the 437 Autolite Spark Plugs to keep your engine running smoothly and efficiently. Upgrade your ignition system today for a noticeable difference in performance!