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Ignition Leads

To order the correct lead, select the ignition lead model from the table below based on your magneto type.

Example: An engine with 5⁄8 x 24 spark plugs and a Scintilla S6 Series magneto with threaded cap uses a 101 model lead.

NOTE: Threaded high tension terminal plates must be used when upgrading from unshielded to shielded ignition leads.

Magneto Selection Spark Plug Selection • 5/8 x 24
Eisemann LA-4 and LA-6 Use model 102
Scintilla SF-4 and SF-6 Series Use model 104
Scintilla S4 and S6 Series with Threaded Cap Use model 101


Find the Correct Lead Length

If you are replacing an existing lead, measure the exact length, ferrule-to-ferrule, and use this as the last part of your order number. Leads are manufactured in 3” increments from 19” to 60”.

Example: If you need a 101 Series lead and the ferrule-to-ferrule measurement is 33 inches long, the Univair part number would be 101-33.

Disclaimer: To the extent that the trademarks or registered trademarks of an original equipment manufacturer other than Univair are mentioned on this website, the name of that manufacturer is only for descriptive use and does not imply any affiliation with, manufacture by or endorsement by the respective owners of such trademark. Many products of Univair are replacement products for products of original equipment manufacturer of the aircraft. Univair to the extent required by Federal law obtains approval from the FAA for the manufacture of replacement parts for aircraft. The reference to the name of the original manufacturer is for identification purposes only and not to represent the original manufacturer is associated in any way with the Univair product.


Univair Aircraft Corporation

2500 Himalaya Road
Aurora, Colorado 80011

Toll Free Sales: 888-433-5433
Phone: 303-375-8882
Fax: 303-375-8888

Hours of Operation
Monday - Friday — 7:30am-4:30pm MT
Saturday - Sunday — Closed

© 2023 Univair Aircraft Corporation. Prices and availablility are subject to change without notice.

All product and company names are trademarks or registered trademarks of their respective owners. Univar's descriptive use does not imply any affiliation with or endorsement by the respective owners.