Marvel-Schebler Float Kit 666-1000

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Part# 08-06508
MFR Model# 666-1000-F


A new float has been developed for the small MA series carburetors. The new floats are a solid blue epoxy material with a smooth skin.

  • 16-223 GASKET
  • 16-224 GASKET
  • 16-B75 GASKET
  • 16-B85 GASKET
  • 29-184 CLIP
  • 30-864 FLOAT
  • 32-32 SHAFT
  • 78-A110 WASHER
  • 28-11 COTTER PIN
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. www.P65Warnings.ca.gov

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Install easy.

Heber S Verified Purchase


May 22, 2022

Very happy, good service.

Kevin Z
October 27, 2020

Product was fine.

William J
September 7, 2019

Marvel Schebler MA-2 Users: I have an MA-2 on my Lycoming O-145, and have had a terrible time finding the original part for the carb (A30-611) ultimately what I discovered is that this part is no longer in manufacture. However I called Marvel Schebler and they have told me that this is the float that they sell for the MA-2. Good Luck MA-2 owners!

Harley D
June 19, 2019

I found it difficult to match Aircraft Spruces description of the small blue epoxy float to the carburetor model. I had to confer with MSA Carbs overhaul manual for the Part Number 30-864 which fits the MA-3 Series, and MA-4SPA carburetors.

Michael J
August 26, 2018

this float does not fit the MA4-5 carb. It requires the large float

Jim H
October 20, 2018


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: What parts are contained in the 666-1000-F carb. float kit?

Includes: 16-223 GASKET, 16-224 GASKET, 16-B75 GASKET, 16-B85 GASKET, 29-184 CLIP, 30-864 FLOAT, 32-32 SHAFT, 78-A110 WASHER, 28-11 COTTER PIN

Q: Will this float kit fit in MA4SPA carb?

Yes, this floar kit is for MA3 and MA4 series carbs.

Q: Does this float kit fit a MA-4SPA 10-3678-32 carb?

Yes this is the correct float conversion for that carb.

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