PLUG SPARK (P/N hsr86l) - New Surplus

The hsr86l is an aircraft spark plug designed for piston-engine ignition systems. It transfers high-voltage energy to engine cylinders through a threaded high-tension terminal and ceramic insulator housed in a steel shell. Installed in cylinder-head spark-ignition ports on certified aircraft engines, this plug requires proper torque and gap settings per the engine maintenance manual.

Verify the part number against the applicable Illustrated Parts Catalog before installation to ensure compatibility with your specific engine model and ignition system configuration.

What is the PLUG SPARK (P/N hsr86l)?

The hsr86l is an aircraft spark plug designed for piston-engine ignition systems. It transfers high-voltage energy to engine cylinders through a threaded high-tension terminal and ceramic insulator housed in a steel shell.

Is the hsr86l compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The PLUG SPARK is available in: New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the hsr86l come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the hsr86l?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.