Autolite 216 Spark Plug

Reliable Ignition with Autolite Copper Non-Resistor Spark Plug 216

The Autolite Copper Non-Resistor Spark Plug 216 is engineered to deliver consistent ignition performance for select Chrysler, Ford, Jeep, and Lincoln vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine operation.

• Brand: Autolite, Brand Line: Copper Non-Resistor Spark Plug
• Part Number: 216
• Resistance: None (Non-Resistor type)
• Center Electrode Core Material: Copper with Nickel tip
• Ground Electrode: Single tapered nickel tip with nickel core
• Electrical Terminal Type: Stud
• Pre-Gap Size: 0.030 inches (0.80 mm)
• Hex Size: 13/16 inch (21 mm)
• Thread Diameter: 14.0 mm, Reach: 0.433 inch (11.0 mm)
• Seat Type: Flat
• Insulator: Short ceramic type

About the Copper Non-Resistor Spark Plug Line

The Copper Non-Resistor Spark Plug line from Autolite focuses on delivering reliable ignition without the use of a resistor. This design supports direct electrical conduction through a copper core center electrode, enhancing conductivity and spark efficiency. The absence of a resistor makes these plugs suitable for older ignition systems found in classic and vintage vehicles, including models like the Ford F-100 and Jeep Wagoneer.

Technical Description and Features

This spark plug features a copper core center electrode with a nickel tip, providing a balance of thermal conductivity and durability. The single tapered ground electrode, also made of nickel, ensures a consistent spark gap and reliable ignition. The flat seat design and 14 mm thread diameter with an 11 mm reach make it compatible with a range of engines. The short ceramic insulator helps maintain proper heat dissipation and electrical insulation. The stud-type electrical terminal is standard for many ignition systems in Chrysler, Ford, Jeep, and Lincoln vehicles.

Compatible Vehicles and Applications

• Chrysler models including Imperial, New Yorker, Town & Country
• Ford trucks such as F-100, F-250, F-350
• Jeep Wagoneer
• Lincoln Continental and Zephyr

Common Issues Addressed by Autolite 216 Spark Plug

• Misfiring or inconsistent engine ignition
• Reduced fuel efficiency due to poor combustion
• Difficulty starting engines in compatible vehicles
• Engine rough idling or hesitation
• Ignition system wear in older or classic vehicles

Installation Notes and Tips

Ensure the spark plug gap is set to the specified pre-gap size of 0.030 inches (0.80 mm) before installation. Use a 13/16 inch (21 mm) socket wrench for proper tightening. Verify the flat seat type matches the engine’s cylinder head design to avoid sealing issues. When installing in Chrysler, Ford, Jeep, or Lincoln vehicles, confirm thread engagement and torque specifications per manufacturer guidelines to prevent damage.

Quality Assurance and Warranty

Autolite spark plugs are manufactured to meet OEM standards for fit, form, and function. The Copper Non-Resistor Spark Plug 216 undergoes rigorous quality control to ensure durability and reliable ignition performance. Warranty coverage details should be confirmed with the vehicle manufacturer or authorized Autolite distributor.