Plastic Hose Pipe Connector — X Piece & Side 4-Way for Water, Oil, Gas & Air Lines
Routing hoses through tight spaces or splitting a single line into multiple branches shouldn't require custom fabrication. Whether you're a small engine mechanic, a DIY enthusiast, or a hobbyist working on irrigation, fuel, or pneumatic systems, finding a reliable plastic hose pipe connector in the exact size you need is often the first hurdle.
Each connector is made from durable engineering plastic and is available in two configurations — X Piece (inline cross) and Side 4-Way (offset cross) — across a wide size range from 2.4mm (≈3/32") to 15.8mm (≈5/8"). Pack sizes range from 1 to 100 pieces, making it easy to stock up for ongoing projects or grab a single replacement.
These connectors are well-suited for low-pressure water lines in garden irrigation systems, fuel line branching on small engines and generators, and air line distribution in pneumatic hobby setups. The barbed fitting design works with flexible rubber, silicone, vinyl, and PVC tubing for a secure push-on connection without special tools.
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Compatibility: Fits flexible rubber, silicone, vinyl, and PVC tubing. Match connector size to your hose outer diameter (OD). Available in X Piece and Side 4-Way configurations — see variant options above.
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Note: These connectors are designed for low-to-medium pressure applications. For high-pressure, safety-critical, or extreme-temperature environments, please confirm suitability before installation.
✅ Key Features of These Plastic Hose Pipe Connectors
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🔀Two Connector Styles — Choose between the X Piece (inline cross) for straight-through splitting and the Side 4-Way for offset branch routing, giving you flexibility in tight plumbing layouts.
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📏Wide Size Range — Available from 2.4mm (≈3/32") to 15.8mm (≈5/8"), covering the most common hose sizes used in water, oil, gas, diesel, and air line applications.
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🧪Multi-Fluid Compatible — Engineering plastic construction is generally resistant to water, oil, diesel, gasoline, and compressed air, making these connectors versatile across DIY and small engine projects.
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🔧Tool-Free Push-On Installation — The barbed fitting design allows hoses to slide on by hand and hold securely via friction. A hose clamp can be added for extra retention on pressurized lines.
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📦Flexible Pack Quantities — Order from 1 to 100 pieces per pack, so you can grab a single replacement or stock up for irrigation, fuel system, or pneumatic hobby builds.
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⚖️Lightweight & Compact — The low-profile plastic body adds minimal weight and bulk to your hose routing, ideal for space-constrained installations in engine bays, grow tents, or equipment enclosures.
📐 Technical Specifications — Plastic Hose Pipe Connectors
| Connector Types |
X Piece (inline cross), Side 4-Way (offset cross) |
| Size Range |
2.4mm (≈3/32") — 15.8mm (≈5/8") |
| Available Sizes |
2.4mm, 3.2mm, 3.9mm, 4.8mm, 5.6mm, 6.4mm, 7.9mm, 9.5mm, 11.1mm, 12.7mm, 14.2mm, 15.8mm |
| Material |
Engineering plastic (chemical-resistant) |
| Number of Ports |
4 (all configurations) |
| Fitting Style |
Barbed push-on (no threads) |
| Compatible Hose Types |
Flexible rubber, silicone, vinyl, PVC tubing |
| Fluid Compatibility |
Water, oil, diesel, gasoline, compressed air (low-to-medium pressure) |
| Pressure Rating |
Contact us to confirm — designed for low-to-medium pressure use |
| Pack Sizes Available |
1, 5, 10, 20, 50, 100 pieces |
| Color / Finish |
See variant options |
❓ Frequently Asked Questions
How do I choose the right connector size?
Measure the outer diameter (OD) of your hose or tubing. The connector size listed should match your hose OD — for example, 6.4mm is approximately 1/4" and 9.5mm is approximately 3/8". When in doubt, size down slightly — a snug fit generally seals better than a loose one. If you're unsure, contact us with your hose specs.
What is the difference between the X Piece and Side 4-Way connector?
The X Piece connector has four ports arranged in a straight inline cross, so all four hoses run in the same plane. The Side 4-Way connector has one pair of ports offset at 90 degrees from the other pair, which is useful when you need to route hoses in different directions within a confined space.
Can these connectors handle fuel lines like diesel or gasoline?
These connectors are generally suitable for low-pressure fuel lines including diesel and gasoline in small engine, generator, or hobby applications. For high-pressure or safety-critical fuel systems, please confirm material compatibility and pressure ratings with us before installation.
Are these connectors suitable for outdoor or under-hood use?
The engineering plastic construction is typically resistant to moisture and mild chemicals, making it suitable for many outdoor and under-hood environments. Prolonged exposure to extreme heat or direct UV may affect longevity over time. For high-heat engine bays, we recommend verifying the operating temperature range before use.
What pressure rating do these connectors support?
These connectors are designed for low-to-medium pressure applications — generally suitable for gravity-fed or low-pressure lines (typically under 30 PSI). For higher-pressure systems such as pressurized irrigation or pneumatic lines above that range, please contact us to confirm suitability for your specific application.
Do I need any tools or adhesives to install these connectors?
In most cases, no tools are required. The barbed design allows the hose to push on by hand and creates a friction seal. For a more secure connection — especially on pressurized lines — a hose clamp over the barb is recommended. No adhesives are needed for standard installations.
Which hose types are compatible with these connectors?
These connectors are compatible with flexible rubber, silicone, vinyl, and PVC tubing with matching inner diameters. Always verify that your hose's inner diameter (ID) matches the connector barb size for a secure, leak-resistant fit. Rigid or hard-wall tubing is not recommended.
🛒 Select your connector type and pack size above, then add to cart — ships from our US warehouse.
