Silicone Vacuum Hose Pipe — White Rubber Tube for Water, Air & Coolant | ID 2mm–38mm

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Silicone Vacuum Hose Pipe — White Rubber Tube for Water, Air & Coolant | ID 2mm–38mm

HomeDIYer

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Size(ID*OD): 2mm*4mm

Length (Meters): 5 Meter

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$10.99 USD

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Silicone Vacuum Hose Pipe — Flexible White Rubber Tube for Water, Air & Coolant Lines

Cracked, brittle rubber hoses are one of the most common causes of coolant leaks, vacuum loss, and failed DIY plumbing repairs. Whether you're a home mechanic routing engine coolant, a hobbyist building a custom water-cooling loop, or a contractor replacing aging vacuum lines, finding a hose that stays flexible and seals reliably is non-negotiable.

This white silicone vacuum hose pipe is made from food-grade silicone rubber and is available in inner diameter (ID) sizes from 2mm (≈5/64") to 38mm (≈1-1/2"), with outer diameters (OD) ranging from 4mm to 44mm. Each listing variant specifies the exact ID×OD pairing. Length options are 1 meter (≈39.4"), 2 meters (≈78.7"), and 5 meters (≈196.9") so you can order exactly what your project requires.

Typical use cases include automotive coolant bypass lines and vacuum hose replacement, aquarium and hydroponics water tubing, air compressor and pneumatic tool connections, and laboratory or medical-grade fluid transfer where a clean, odor-free silicone tube is required.

🔗 Compatibility: Fits standard barbed fittings — match the hose ID to your barb diameter. Works with worm-drive and spring hose clamps. Suitable for water, air, coolant, and low-pressure vacuum lines.

✅ Key Features of These Silicone Vacuum Hose Pipes

🌡️ Wide Temperature Range — Silicone rubber maintains flexibility from approximately -65°F to +400°F (-54°C to +204°C), making this silicone coolant hose suitable for underhood and outdoor use where standard rubber degrades.
📐 Precise ID×OD Sizing — Each variant lists the exact inner and outer diameter pairing (e.g., 6mm×8mm), so you can match the hose to your barb fitting and grommet clearance without guesswork.
✂️ Cut-to-Length Flexibility — Available in 1m, 2m, and 5m rolls; silicone cuts cleanly with scissors or a utility knife, letting you tailor each run to your exact routing needs.
💧 Odor-Free & Non-Toxic Material — Food-grade silicone construction means no rubber smell contaminating coolant or water lines — a key advantage for aquarium tubing, hydroponics, and drinking-water adjacent applications.
☀️ UV & Ozone Resistant — Unlike EPDM or standard rubber vacuum hose, silicone resists UV degradation and ozone cracking, extending service life in exposed outdoor plumbing or engine bay environments.
🔧 Push-On Barb Compatibility — The smooth inner bore and slight elasticity allow the hose to slip over standard barbed fittings and seat securely with a hose clamp — no special tools or adhesives required.

📐 Technical Specifications — Silicone Vacuum Hose Pipe

Material	Silicone rubber (food-grade)
Color	White
Inner Diameter (ID) Range	2mm (≈5/64") – 38mm (≈1-1/2")
Outer Diameter (OD) Range	4mm (≈5/32") – 44mm (≈1-3/4")
Wall Thickness	Varies by size — see variant ID×OD (wall = (OD−ID)÷2)
Available Lengths	1 Meter (≈39.4"), 2 Meters (≈78.7"), 5 Meters (≈196.9")
Temperature Range	Typically −65°F to +400°F (−54°C to +204°C)
Working Pressure	Generally up to 30–50 PSI (varies by diameter and wall thickness)
Fitting Compatibility	Standard barbed push-on fittings; worm-drive or spring clamps
Fluid Compatibility	Water, air, coolant, vacuum, low-pressure pneumatic lines
Country of Origin	China
Brand	HomeDIYer

⚠️ Size Note: Each variant shows the ID×OD in millimeters. If you need a specific wall thickness, calculate it as (OD − ID) ÷ 2. Not sure which size fits your fitting? Contact us to confirm before ordering.

❓ Frequently Asked Questions

How do I choose the right inner diameter (ID) for my application?

Measure the outer diameter of the fitting or nipple the hose will slip over. The hose ID should match that measurement closely — typically within 0.5mm — so it seals snugly without forcing. For example, a 6mm barb fitting generally pairs with a 6mm ID hose. When in doubt, size down slightly; silicone stretches to accommodate a slightly larger barb.

What pressure can this silicone hose handle?

Silicone vacuum hose of this type is generally rated for low-to-moderate pressure applications — typically up to 30–50 PSI depending on wall thickness and diameter. Smaller diameters with thicker walls tend to handle higher pressures. For high-pressure hydraulic lines, a reinforced hose is recommended.

Can this hose be used outdoors or in engine bays?

Yes. Silicone is inherently UV-resistant and handles a wide temperature range — generally from about -65°F to +400°F (-54°C to +204°C). It is well-suited for outdoor plumbing, engine coolant lines, and underhood vacuum routing where rubber hoses tend to crack over time.

Is this hose compatible with standard barb fittings and hose clamps?

Yes. The hose is designed to work with standard barbed fittings (push-on style). The ID dimension listed in each variant corresponds directly to the barb size it fits. Standard worm-drive or spring hose clamps can be used to secure the connection.

How do I convert the millimeter sizes to inches?

Divide the mm value by 25.4. Common conversions for this product range:

4mm ≈ 5/32" (0.157")
6mm ≈ 1/4" (0.236")
8mm ≈ 5/16" (0.315")
10mm ≈ 3/8" (0.394")
12mm ≈ 1/2" (0.472")
16mm ≈ 5/8" (0.630")
19mm ≈ 3/4" (0.748")
25mm ≈ 1" (0.984")
32mm ≈ 1-1/4" (1.260")
38mm ≈ 1-1/2" (1.496")

What is the difference between ID and OD, and which should I match to my fitting?

ID (Inner Diameter) is the opening inside the hose — this is what slides over your barb fitting. OD (Outer Diameter) is the outside measurement of the hose. Always match the hose ID to your fitting's barb diameter. The OD determines whether the hose fits through a grommet or bracket hole.

Can I cut the hose to a custom length?

Yes. Silicone hose cuts cleanly with sharp scissors or a utility knife. We offer 1m, 2m, and 5m lengths so you can order the amount closest to your project needs and trim to fit on-site.

🛒 Select your size (ID×OD) and length above, then add to cart — ships from our US warehouse.

Silicone Vacuum Hose Pipe — White Rubber Tube for Water, Air & Coolant | ID 2mm–38mm

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Silicone Vacuum Hose Pipe — Flexible White Rubber Tube for Water, Air & Coolant Lines

✅ Key Features of These Silicone Vacuum Hose Pipes

📐 Technical Specifications — Silicone Vacuum Hose Pipe

❓ Frequently Asked Questions

Silicone Vacuum Hose Pipe — White Rubber Tube for Water, Air & Coolant | ID 2mm–38mm

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