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Oil Fuel Flow Restrictor Fitting

$96.53/Piece
Price Includes GST
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Part# 05-11908
MFR Model# VA-128

Overview

An oil/fuel flow restrictor fitting designed to fit the Lycoming engine oil pressure port as well as the fuel pressure port on the KB-090-T. This fitting is a modified AN823-4 and the restriction is a .040" hole. Threaded end is 1/8" NPT.
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Reviews

Works as advertised. Expensive for what it is tho. Everyone should have a restrictor installed between the engine and pressure sensors/hobbs.

Eaa C Verified Purchase

Oil Fuel Flow Restrictor Fitting

July 16, 2024

Airquest A Verified Purchase

Oil Fuel Flow Restrictor Fitting

September 15, 2022

good

Stephen R Verified Purchase

Oil Fuel Flow Restrictor Fitting

April 23, 2022

What I needed and in stock, good quality

Flying D Verified Purchase

Oil Fuel Flow Restrictor Fitting

February 3, 2022

Eric B Verified Purchase

Oil Fuel Flow Restrictor Fitting

October 23, 2021

Great

Mike C Verified Purchase

Oil Fuel Flow Restrictor Fitting

September 4, 2021

Exactly the part I was looking for. As this restrictor fitting is hard to find, I was glad to see that Aircraft Spruce stock it. On our Cherokee 180, this restrictor fitting goes in the oil pressure line that runs from the engine to the oil pressure gauge in the cockpit.

John R
April 7, 2021

Worked on my IO 520A.

Ron
December 8, 2019

Worked great on a Contiental engine also with 1/8 npt.

Cj P
December 8, 2017

Its what I ordered. Not much to it.

Don G
August 23, 2017

Q&A

Please note, Aircraft Spruce Australia'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 Australia 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: Is the flared end a -3 or -4? Looks like -3, but your description is modified -4.

The 05-11908 is an AN823-4 fitting, but has a .040" restrictor bushing on the pipe thread end of the fitting. The flared thread end is a -4, and pipe thread end is 1/8" NPT, just like a standard AN823-4 fitting.

Q: Is there an R or any other engravings/markings on the part?

There is a marking D on the fitting.

Q: Is this a steel fitting?

Yes, the fitting itself is steel.

Q: Will this fitting also work for manifold pressure?

Yes, per the vendor.

Q: A restrictor fitting will lengthen the time before exhausting oil to about 1 minute.

Thank you for your comment.

Q: Is this part faa/pma approved?

No, this is not FAA/PMA approved

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