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EATON AEROQUIP HOSE 303-4 1/4"

$14.85/Foot
Part# 303-4
MFR Model# 303-4
DescriptionTubing SizeHose IDMax PSIWgt/FtPart No.
Aeroquip 303 Hose1/43/163000.132303-4

Overview

This standard hose is used in medium pressure A/C hydraulic, fuel, oil and coolant systems. An inner tube of seamless synthetic rubber is reinforced with a synthetic-impregnated single-wire braid over a single cotton braid and an outer cover of synthetic-impregnated oil-resistant cotton braid. Operating temperature -65 to 250F. Conforms to MILH-8794 (supersedes MIL-H-5511A). Used with Aeroquip 491 hose fittings. Sold by the foot.
   
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Reviews

If youre planning on picking up at will call, check the hours for the shop. My store was open on Saturdays but the shop side was closed. Plan accordingly.

Douglas T Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

February 18, 2024

Jonathan W Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

February 11, 2024

Berwin K Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

February 6, 2024

As ordered. Shipped promptly. Shipping took 6 days.

Thomas C Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

January 18, 2024

Exactly what I ordered, packaged securely, delivered next day at a fair price. What more could you ask for?

Victor M Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

August 29, 2023

Good hose

William P Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

August 1, 2023

Good Versatile hose. Typically lasts much longer than expiration date if stored in a dark area. Once in service, change it once every 5 - 6 years. 👍🏽

Chris P Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

June 29, 2023

Perfet

Cowell A Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

June 14, 2023

Good quality hose, used it many times to make my own hoses.

Nick P Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

February 12, 2023

Good quality hose. Been using them for a long time.

Nick P Verified Purchase

EATON AEROQUIP HOSE 303-4 1/4"

February 8, 2023

Q&A

Please note, Pilotshop.com'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. Pilotshop.com 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 hose have a shelf-life?

Yes, the factory gives an 8 year shelf life on 303 hose.

Q: Can you use regular AN fittings on this Aeroquip 303 hose?

No, Aeroquip 303 hose requires 491 Aeroquip fittings.

Q: If this hose is used for fuel line, and is installed within its shelf life, is its installed service life limited to 8 years before needing replacement?

Eaton recommends you replace the 303 hose after 5 years of service.

Q: Is the Aeroquip 303 hose priced and sold by the foot?

Yes, it is priced and sold by the foot.

Q: Does the Aeroquip 303 hose contain any metal or wire? Is it conductive?

The tech data sheet shows the Aeroquip 303 hose has a carbon steel wire braid reinforcement. It does not give any information regarding how conductive it may be.

Q: Do you still need to use fire sleeve for this Aeroquip 303 hose?

It is up to you if you would like to use a firesleeve on this hose or not. It will all depend on your application if you were to need a firesleeve. If you were to get a fire sleeve for hose 303-4 for example, you will need to get P/N# 05-01843.

Q: Does this hose use the same fittings as the stratoflex 111 hose?

It is recommended to use Stratoflex fittings with Stratoflex hose, and Aeroquip fittings with Aeroquip hose. The Aeroquip 303 and Stratoflex 111 are equivalent to each other, and some have used parts interchangeably, but we have no documentation as to how well they will work.

Q: How long is this Aeroquip 303 hose?

This hose is priced and sold by the foot. When you enter quantity, you are entering the number of feet you would like to order.

Q: What is the OD of 303-3 hose?

0.453 OD.

Q: Is this 303 hose compatible with fuels that contain ethanol?

303 hose has an excellent resistance rating to ethanol per Eaton's fluid compatibility chart.