Starter Adaptor Spring (PMA Continental) - S539800M15

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Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 5 - 100 and pay only $165.47 each
  • 539800M15/SPRING - S539800M15
  • 539800M15/SPRING - S539800M15
MSRP: $285.95
FBO Price: $183.85
— You save $102.10


Aircraft Specialties manufactures this PMA spring as a replacement in Continental starter adaptors. They come in several sizes if your starter shaft requires grinding undersize. The M030 and M040 sizes are unique to Aircraft Specialties. Send in your starter shaft and gear for rework to the next standard size.

Fits most "Classic Style" or “serrated drum” starter adapters.


Check out our Starter Adapter Overhaul page for information about overhauling your starter adapter.


pdf-file1.png PMA Supplement:  Clutch Spring STD M15

pdf-file1.png Click here for starter adapter disassembly instructions.



OEM or PMA? Your Choice! See Related Products below for equivalent parts.

The best way to find a part? Use the Search box at the top. Search for the part number without the leading prefix. For Example: LW10207, enter as 10207. This will bring up all variants of the product.

Note: All prices "each" unless specified. Images represent attributes, not quantity. Application information is provided for reference only. Make sure to refer to the applicable airframe/engine manufacturer's manual for exact application information.

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Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, Aircraft Specialties Services does not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice. Applications and interchangeability information depicted on this website is strictly for reference only. Installers must consult the engine/airframe IPC for the manufacturer’s approved data.