Please confirm the M41E spark plug’s compatibility with your aircraft using these documents:
Product Details:
- Barrel Style: Unshielded Thread
- Mounting Thread: 18 mm
- Reach: 1/2″
- Hex Size: 7/8″
Champion Spark Plug, Unshielded, Standard Electrode, Two Prong. This Spark plug has 18MM Thread size and No Shielding Thread at Ignition Harness Connecting End.
Please note: Opened Plastic Spark Plug Packages are not returnable. Please confirm you have received the correct spark plugs for your application before opening package.

PSS-KT-32 SEAL KIT, Piper Strut, Main | McFarlane Aviation, Inc.
ACA-401B Aileron Ag-Cat Aircraft Cable, Grumman G-164A | McFarlane Aviation ACA401B
1924X Halogen Lamp Replacement, 28 Volt, 150W 