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3G Electric
AEROQUIP Push-On Hydraulic Hose Cap, Vinyl, 3/8 in Fitting Size - Hydraulic Hose Caps
AEROQUIPHydraulic Hose Caps

AEROQUIP Push-On Hydraulic Hose Cap, Vinyl, 3/8 in Fitting Size

The AEROQUIP Hydraulic Quick Connect Dust Cap (MPN 5657-6) is a push-on vinyl cap with a 3/8 in fitting size, designed to protect hydraulic quick-connect couplings from dirt and debris.

SKU 3G-OTH-647421

Also listed as: 56576 · 5657 6

Brand
AEROQUIP
Item
Push-On Hydraulic Hose Cap, Vinyl, 3/8 in Fitting Size
Part Number
5657-6
Category
Hydraulic Hose Caps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

AEROQUIP
Manufacturer Part Number
5657-6
Type
Push On
Material
Vinyl
Fitting Size
3/8 in

Technical Documents

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

Product Description

The AEROQUIP Hydraulic Quick Connect Dust Cap (MPN 5657-6) is a push-on vinyl cap with a 3/8 in fitting size, designed to protect hydraulic quick-connect couplings from dirt and debris.

Frequently Asked Questions

What is the AEROQUIP 5657-6 hydraulic quick connect dust cap used for?

The AEROQUIP 5657-6 dust cap protects hydraulic quick-connect couplings from dirt, moisture, and debris. It is used in industrial hydraulic systems across machining, material handling, and mobile equipment to extend coupling life and prevent contamination.

What are the specifications of the AEROQUIP 5657-6 dust cap?

The AEROQUIP 5657-6 is a push-on vinyl dust cap with a 3/8 in fitting size. It is designed for hydraulic quick-connect couplings and is made from durable vinyl material. The manufacturer part number is 5657-6.

Where to buy the AEROQUIP 5657-6 dust cap worldwide?

3G Electric supplies the genuine AEROQUIP 5657-6 dust cap worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time — we source across 14 industrial departments with specialist depth in pumps and controls.

How to install the AEROQUIP 5657-6 push-on dust cap?

Simply push the AEROQUIP 5657-6 vinyl cap firmly onto the 3/8 in quick-connect coupling until it seats securely. No tools are required. Ensure the coupling surface is clean and dry before installation to maintain a proper seal against contaminants.

Used in

Common applications for AEROQUIP
Industrial machinery — Aeroquip JIC-to-JIC steel hydraulic hose adapters (e.g., 203102-8-8S) for connecting hydraulic lines in fluid power systems.
Heavy equipment — Aeroquip FC579 high-impulse hose assemblies (e.g., HB-9206Q) for high-pressure hydraulic circuits in jacking systems.
Fluid power maintenance — Aeroquip NPTF-to-NPTF rigid steel adapters (e.g., 2081-16-8S) for connecting pumps, valves, and cylinders.
Hydraulic repair — Aeroquip brass barbed hose fittings (e.g., 4738-6-6B) for -6 dash size hoses with 3/8 in inside diameter, reusable.
Mobile hydraulics — Aeroquip NPSM-to-NPTF swivel adapters (e.g., 2049-20-20S) for joining straight-thread and tapered-thread ports.
Equipment assembly — Aeroquip crimp hydraulic hose fittings (e.g., 3G-OTH-452387) for -16 hose dash size with JIC female swivel and 90° elbow.
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AEROQUIP Products

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

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