Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

AEROQUIP Hydraulic Hose Plug: Carbon Steel, 1/4 in Fitting Size - Hydraulic Hose Plugs
AEROQUIPHydraulic Hose Plugs

AEROQUIP Hydraulic Hose Plug: Carbon Steel, 1/4 in Fitting Size

The AEROQUIP Hydraulic Hose Plug (MPN 900598-4S) is a carbon steel plug with a 1/4 in fitting size and 7/16"-20 thread, rated for 7,500 psi max working pressure at 70°F with an ORB connection. 3G Electric sources…

SKU 3G-OTH-646911

Also listed as: 9005984S · 900598 4S

Brand
AEROQUIP
Item
Hydraulic Hose Plug: Carbon Steel, 1/4 in Fitting Size
Category
Hydraulic Hose Plugs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

AEROQUIP
Manufacturer Part Number
900598-4S
Type
7,500 psi Max. Working Pressure @ 70 F, ORB
Material
Carbon Steel
Thread Size
7/16"-20
Fitting Size
1/4 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

AEROQUIP Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AEROQUIP Hydraulic Hose Plug (MPN 900598-4S) is a carbon steel plug with a 1/4 in fitting size and 7/16"-20 thread, rated for 7,500 psi max working pressure at 70°F with an ORB connection. 3G Electric sources this genuine OEM component across 14 industrial departments, with specialist expertise in pumps and controls ensuring accurate specification and support.

Frequently Asked Questions

What is the AEROQUIP 900598-4S hydraulic hose plug used for?

The AEROQUIP 900598-4S hydraulic hose plug seals open ports or caps unused lines in high-pressure hydraulic systems. It is commonly used in industrial machinery, mobile equipment, and fluid power circuits where a 1/4 in fitting size and 7,500 psi rating are required.

What are the specifications of the AEROQUIP 900598-4S hydraulic hose plug?

The AEROQUIP 900598-4S is a carbon steel hydraulic hose plug with a 1/4 in fitting size, 7/16"-20 thread, and a maximum working pressure of 7,500 psi at 70°F. It features an ORB (O-Ring Boss) connection and is manufactured under part number 900598-4S.

Where to buy the AEROQUIP 900598-4S hydraulic hose plug worldwide?

3G Electric supplies the genuine AEROQUIP 900598-4S hydraulic hose plug to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this carbon steel plug with 7,500 psi rating.

How to select the correct AEROQUIP hydraulic hose plug for a system?

To select the correct AEROQUIP hydraulic hose plug, match the fitting size (1/4 in), thread size (7/16"-20), and connection type (ORB) to your system's port. Verify the maximum working pressure (7,500 psi at 70°F) exceeds your circuit's requirements. 3G Electric's specialist expertise in pumps and controls helps ensure accurate specification.

Used in

Common applications for AEROQUIP
Mobile hydraulic equipment repair — Aeroquip 45° elbow flange fittings (e.g., 1A12FLA10) for hose replacement on excavators and loaders.
Industrial hydraulic power units — Aeroquip 90° elbow flange fittings (e.g., 4S20FLB20) for connecting pumps to manifold blocks.
In-house hose assembly shops — Aeroquip die packages (e.g., ET4020TP-0002) for crimping 1-wire braid hoses up to 1 1/4 in diameter.
Oil and gas field equipment — Aeroquip carbon steel flange fittings (e.g., 1A24FLA20) for high-pressure fluid transfer lines.
Hydraulic press maintenance — Aeroquip die cage assemblies (e.g., FT1382-200-M465) for crimping 4-spiral hoses on heavy-duty presses.
Agricultural machinery servicing — Aeroquip 45° elbow fittings (e.g., 1A12FLA12) for replacing hoses on tractors and harvesters.

AEROQUIP Products

3G Electric supplies AEROQUIP hydraulic hose plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from AEROQUIP

View all AEROQUIP parts
Carbon steel hydraulic hose plug with 1-5/8"-12 thread and 1-1/4 in fitting size. Rated for 3,500 psi maximum working pressure at 70°F. Seals open hose ends to prevent fluid leakage and contamination in hydraulic systems
AEROQUIP
Carbon steel hydraulic hose plug with 1-5/8"-12 thread and 1-1/4 in fitting size. Rated for 3,500 psi maximum working pressure at 70°F. Seals open hose ends to prevent fluid leakage and contamination in hydraulic systems
Carbon steel hydraulic hose plug with 1/8 in fitting size, rated for 5000 psi maximum working pressure at 70°F. Includes O-ring for sealing. Used to cap or block ports on pumps, valves, and manifolds in hydraulic systems
AEROQUIP
Carbon steel hydraulic hose plug with 1/8 in fitting size, rated for 5000 psi maximum working pressure at 70°F. Includes O-ring for sealing. Used to cap or block ports on pumps, valves, and manifolds in hydraulic systems
Steel hydraulic hose plug with 1/2 in fitting size and 1/2-14 NPTF thread. Rated for 6000 psi maximum working pressure at 70°F. Used to seal open hydraulic lines or ports during maintenance, testing, or storage in industrial hydraulic systems and fluid power applications
AEROQUIP
Steel hydraulic hose plug with 1/2 in fitting size and 1/2-14 NPTF thread. Rated for 6000 psi maximum working pressure at 70°F. Used to seal open hydraulic lines or ports during maintenance, testing, or storage in industrial hydraulic systems and fluid power applications
Threaded carbon steel plug with 1/2 in fitting size. Seals hydraulic quick-connect couplings to prevent contamination from dirt, moisture, and debris during storage or when disconnected. Suitable for use in hydraulic systems to protect coupling ends
AEROQUIP
Threaded carbon steel plug with 1/2 in fitting size. Seals hydraulic quick-connect couplings to prevent contamination from dirt, moisture, and debris during storage or when disconnected. Suitable for use in hydraulic systems to protect coupling ends
Carbon steel hydraulic hose plug with 1/4 in fitting size and 1/4-18 NPTF thread. Rated for 9,500 psi maximum working pressure at 70°F. Used to seal open ports in hydraulic systems, preventing fluid leaks and contamination in high-pressure applications
AEROQUIP
Carbon steel hydraulic hose plug with 1/4 in fitting size and 1/4-18 NPTF thread. Rated for 9,500 psi maximum working pressure at 70°F. Used to seal open ports in hydraulic systems, preventing fluid leaks and contamination in high-pressure applications
Carbon steel hydraulic hose plug with 3/4 in fitting size and 1-1/16"-12 thread. Features O-ring boss (ORB) connection and is rated for 5,000 psi maximum working pressure at 70°F. Used to seal open ports or hoses in high-pressure hydraulic systems
AEROQUIP
Carbon steel hydraulic hose plug with 3/4 in fitting size and 1-1/16"-12 thread. Features O-ring boss (ORB) connection and is rated for 5,000 psi maximum working pressure at 70°F. Used to seal open ports or hoses in high-pressure hydraulic systems
Carbon steel hydraulic hose plug with 3/4 in fitting size and 1-3/16"-12 thread. Rated for 6000 psi max working pressure at 70 °F with O-Ring Seal (ORS) connection. Used to seal open ports on hydraulic systems in industrial machinery, mobile equipment, and hydraulic power units
AEROQUIP
Carbon steel hydraulic hose plug with 3/4 in fitting size and 1-3/16"-12 thread. Rated for 6000 psi max working pressure at 70 °F with O-Ring Seal (ORS) connection. Used to seal open ports on hydraulic systems in industrial machinery, mobile equipment, and hydraulic power units
This NPTF hydraulic hose plug is made from 316 stainless steel for corrosion resistance. It has a 1/2"-14 thread size and a 1/2 in fitting size. Commonly used to seal or cap hydraulic ports and fittings in fluid power systems
AEROQUIP
This NPTF hydraulic hose plug is made from 316 stainless steel for corrosion resistance. It has a 1/2"-14 thread size and a 1/2 in fitting size. Commonly used to seal or cap hydraulic ports and fittings in fluid power systems