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Cessna Drain Valve S2020-2 / S2020-3

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Part# 06-00989
MFR Model# S2020-3


The S2020-3 replaces the S2020-2, which is no longer produced by Textron. Note this is the same as a Curtis CCA-2950.

We stock a large inventory of Cessna replacement parts. Some of the most commonly required parts are listed on this page. If you require Cessna parts not listed here, please provide us with the Cessna part numbers and we will provide you with a prompt quotation. All of the parts listed here are authentic Cessna factory parts and all carry our low price guarantee.

Please verify that the parts are correct for your Cessna model/year by referring to the applicable Cessna parts manual prior to ordering.


Stephen J Verified Purchase


May 9, 2022

Perfect fit.

April 5, 2021

Spruce delivered on time as usual. But the part is lacking, in my opinion. Yes, its the right size part. Mine caught on something while threading it in by hand, and in backing it out, it sheared off with very little torque. I think it caught on where the holes are drilled in the threaded area of the tank. I was actually being very careful because I had read that these were weak at the neck. This part is aluminum rather than whatever the old one was made of. I was able to remove the threaded part with an ease-out. Thankfully the old one was made with a removable clip, and I was able to rob the o-rings from this one to repair the old one. It turned out to be an expensive set of o-rings. Be very careful.

Thomas B
June 4, 2021


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 This Cessna S2020-2 Drain Valve Come With The Required O Ring ?

Yes, this will come with the o-ring already attached with the valve when you get this.

Q: what is the thread size on this Cessna S2020-2 drain valve?

1/2-20 unf.

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