Brass Y-Piece Reducer Hose Tail Connector — Split Any Air, Water, Gas, or Fuel Line
Dealing with a single hose line that needs to feed two separate circuits? Whether you're routing coolant through an engine bay, splitting an air supply in a workshop, or branching a fuel line in a small engine setup, a mismatched or leaking Y-connector can cause costly downtime. These brass hose tail Y-piece reducer fittings give mechanics, DIYers, and small-engine technicians a reliable way to split and reduce flow in one compact fitting.
Each fitting is machined from solid brass and features a barbed hose tail design on all three ports. The size notation follows a Stem–Branch1–Branch2 format — for example, a 10-6-6mm fitting has a 10mm (≈3/8") main inlet and two 6mm (≈1/4") outlet branches. Available sizes range from 6mm to 16mm (≈1/4" to ≈5/8") across the stem port, with matching or reduced branch diameters. Sold in packs of 1, 4, or 10 pieces to suit single repairs through to workshop stock.
These brass Y-piece reducer connectors are well suited for automotive coolant hose splitting, pneumatic air line distribution in garages and workshops, small engine fuel line branching, and garden irrigation system branching. The barbed profile locks hose in place and pairs with standard worm-drive hose clamps for a secure, leak-resistant connection on pressurized air and water lines.
🔵 Compatibility: Fits standard flexible hoses for air, water, gas, and fuel applications. Match the barb diameter to your hose's inner diameter. Size format: Stem–Branch1–Branch2 (e.g., 10-6-6mm = 10mm inlet, two 6mm outlets). Use with standard hose clamps for pressurized lines.
⚠️ Note: Verify hose inner diameter before ordering. For gas or fuel applications, confirm chemical compatibility with your specific fluid. Contact us if you need help selecting the right size.
✅ Key Features of These Brass Y-Piece Reducer Hose Tail Fittings
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🔩Solid Brass Construction — Machined from brass for durability in water, air, gas, and fuel line applications, with good resistance to corrosion in typical workshop and automotive environments.
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🔀True Reducer Y Design — Splits one main hose line into two branch lines of equal or smaller diameter, making it a practical barbed hose tail Y reducer for routing and flow distribution.
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📐Wide Size Range — Available from 6mm to 16mm stem diameter (≈1/4" to ≈5/8"), covering the most common hose sizes used in automotive, pneumatic, and irrigation systems.
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🔒Barbed Grip Profile — The ridged barb on each port grips the hose interior to resist pull-out, and works with standard hose clamps for a secure, leak-resistant seal on pressurized lines.
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📦Flexible Pack Quantities — Choose 1, 4, or 10 pieces per order. The multi-pack options reduce per-unit cost for fleet maintenance, workshop stock, or larger plumbing and irrigation projects.
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⚙️Versatile Fluid Compatibility — Suitable for use with air, water, gas, and fuel (petrol/diesel) lines, making these brass Y connectors a go-to fitting for mixed-use workshops and small engine repair.
📐 Technical Specifications — Brass Y-Piece Reducer Hose Tail Fittings
| Material |
Brass |
| Fitting Type |
Barbed hose tail Y-piece reducer |
| Configuration |
1 inlet (stem) × 2 outlets (branches) |
| Size Format |
Stem–Branch1–Branch2 (all in mm) |
| Available Stem Sizes |
6mm (≈1/4"), 8mm (≈5/16"), 10mm (≈3/8"), 12mm (≈15/32"), 14mm (≈9/16"), 16mm (≈5/8") |
| Available Branch Sizes |
4mm, 6mm, 8mm, 10mm, 12mm (see variant options) |
| Pack Quantities |
1 pcs, 4 pcs, 10 pcs |
| Compatible Fluids |
Air, water, gas, fuel (petrol/diesel) |
| Hose Compatibility |
Standard flexible hose — match barb OD to hose inner diameter |
| Clamp Compatibility |
Standard worm-drive and spring hose clamps |
| Finish |
Natural brass |
| Working Pressure |
See variant options — contact us to confirm for your application |
| Country of Origin |
Contact us to confirm |
❓ Frequently Asked Questions
How do I choose the right size for my hose lines?
The size format is Stem–Branch1–Branch2 (e.g., 10-6-6mm means a 10mm main inlet and two 6mm outlets). Measure your hose inner diameter and match it to the barb size. For example, a 10mm (≈3/8") stem with 6mm (≈1/4") branches is a common reducer configuration for splitting a main line into two smaller runs. When in doubt, size up slightly — a snug fit over the barb is better than a loose one.
What pressure rating do these Y-piece fittings typically handle?
Brass barbed hose tail fittings generally handle working pressures up to approximately 150 PSI for water and air applications, though actual ratings depend on hose wall thickness, clamp type, and operating temperature. For high-pressure or elevated-temperature applications, contact us to confirm suitability before ordering.
Can these fittings be used outdoors or in wet environments?
Brass offers good corrosion resistance for most outdoor and wet environments and is generally suitable for water, air, and fuel lines exposed to moisture. For highly corrosive environments — such as saltwater exposure or strong chemical contact — a stainless steel fitting may be more appropriate. Contact us if you need guidance on material selection.
Are these fittings compatible with standard hose clamps?
Yes. The barbed design works with standard worm-drive hose clamps and spring clamps. For pressurized lines — especially air, gas, or fuel — we recommend securing the hose with a clamp tightened just past finger-tight over the barb. This helps prevent hose pull-off under pressure.
What fluids are these Y connectors rated for?
These brass Y-piece reducer connectors are typically suitable for air, water, gas, and fuel (petrol/diesel) lines. Always verify compatibility with the specific fluid and hose material in your application. If you are using them with specialty chemicals or solvents, contact us to confirm before installation.
Should I buy 1 pc, 4 pcs, or 10 pcs?
The 1 pc option is ideal for a single repair or prototype build. The 4 pcs pack suits small projects or keeping spares on hand. The 10 pcs pack offers the best per-unit value for workshop stock, fleet maintenance, or larger plumbing and irrigation installations where multiple Y splits are needed.
How do I install a barbed hose tail Y fitting without leaks?
Push the hose firmly over each barb until it seats past the first ridge — you should feel resistance as the barb grips the hose interior. Secure with a hose clamp tightened just past finger-tight. For gas or fuel lines, always verify there are no leaks before putting the system under full operating pressure. Lubricating the barb with a small amount of water or soap can make seating easier without compromising the seal.
🛒 Select your size and pack amount above, then add to cart — ships from our US warehouse.
