Piper J-3 Fuel Valve

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Part# 05-00848
MFR Model# U70781-000


This J-3 fuel valve includes a steel handle for use with the original pushpull shut off control. This valve is a significant improvement over the original brass style fuel valve. The new valve has a stainless steel ball seated in an inert composite seat. This improved design eliminates the stiff operation and leaking around the shaft that the original design was prone to. PMA approved. Uses 1/4" NPT fittings.
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Great replacement part to stop leaking valves from original hardware

Richard B Verified Purchase


November 27, 2022

Would not fit on cub tank without major modifications.

Kerry M Verified Purchase


April 6, 2023


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: Regarding Piper J-3 Fuel Valve p/n 05-00848: <br> 1. what is the overall length of the valve? <br> 2. the length of the lever?

1. The overall length of the valve is 2 inches.
2. The length of the lever is approximately 2-7/8 inches.

Q: What is the weight of the Piper J-3 Fuel valve?

The weight is 0.44 lbs.

Q: What is the throw of the handle on this J-3 fuel valve? A full 90 degrees or is it 45 degrees?

This handle has a throw of 45 degrees.

Q: Does the Piper J-3 fuel valve PMA paperwork come with the valve? And what is the fuel flow rate of the valve?

The valve does come with a PMA tag on it. As far as the flow, it equals or exceeds the original valve flow. There is a stop build into the handle so it does not open all the way.

Q: What is the depth of the valve measured from the top of the bolt that holds the nut holding the handle to the opposite side of the valve? Thanks!

This will be about 2.125" top to bottom of valve.

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