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TCM NEW MAGNETOS - S4LN-20 (RH) / S4LN-21 (LH)

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S4LN-20 (RH)S4LN-21 (LH)
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Overview

S4LN-20 does not have impulse coupling. S4LN-21 does have impulse coupling.

Reviews

TCM NEW MAGNETOS S4LN 20(RH) /S4LN (LH)

Alpay
July 11, 2018

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Does S4LN-20 have impulse coupling? I thought only S4LN-21 had that.

You are correct, only S4LN-21 has an impulse coupling. S4LN-20 does not.

Q: Are these priced and sold is for each magneto?

Yes, these are new units priced as each.

Q: you say 20 is RH and 21 is LH. does it mean right and left handed? but the rotation (L) is same on both, correct?

Both mags are LEFT rotation, LH and RH are referring to which side of the engine they are installed.

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