UNDER THE HOOD
Royal Enfield Drain Hose (594470/A) – Fuel Tank Breather/Overflow Tube for Bullet 500, Classic 500, Thunderbird 350/500, Classic 350 UCE & GT 535
Royal Enfield Drain Hose (594470/A) – Fuel Tank Breather/Overflow Tube for Bullet 500, Classic 500, Thunderbird 350/500, Classic 350 UCE & GT 535
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Please order only after confirming the part number, model, variant, year, side, connector type and compatibility. All orders are non-cancellable once placed. Correctly shipped spare parts are not eligible for return, exchange or refund due to wrong selection, wrong diagnosis, fitment mismatch, mechanic recommendation or change of mind. Electrical/electronic items are additionally non-returnable once opened, installed, plugged in, tested or used. Wrong item, damaged item or missing item claims require a complete unboxing video within 24 hours. Read full Return & Warranty Policy
594470/A - DRAIN HOSE - FUEL TANK
Maintain engine safety and tank integrity with the Royal Enfield OEM Drain Hose (594470/A) — a genuine breather/overflow tube that prevents water, vapor, and occasional overflow from causing damage. Verified across trusted parts catalogs including The Spares Company and Hitchcock’s, this essential hose fits the following models:
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Bullet 500 UCE
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Classic 500 EFI
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Thunderbird 350
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Thunderbird 500
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Classic 350 UCE/BS3
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Continental GT 535 BS4
Connects to the tank’s drain port to direct water from washes, filler cap ingress, and vented vapors safely away from engine and bodywork. Made from durable, fuel-resistant vinyl rubber, this part delivers reliable performance in varying conditions.
Installation is effortless—simply insert and route downward. OEM-grade quality ensures leak-proof performance and factory-perfect fitment—critical for keeping your ride clean, safe, and original.
Key Features
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Genuine OEM Part (594470/A) — factory-spec breather/overflow hose
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Preventative Function — channels water, vapors and overflow away from tank and engine
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Wide Compatibility — fits Bullet 500 UCE, Classic 500 EFI, Thunderbird 350/500, Classic 350 UCE, & GT 535 BS4
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Fuel- & Weather-Resistant — built to last
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Tool-Free Installation — plug-in hose with factory routing
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Protects Paint & Wiring — prevents drips and damage
Compatibility
| Model | Engine/Year |
|---|---|
| Bullet 500 UCE | All Years |
| Classic 500 EFI | All Years |
| Thunderbird 350 UCE | All Years |
| Thunderbird 500 UCE | All Years |
| Classic 350 UCE / BS3 | All Years |
| Continental GT 535 BS4 | All Years |
FAQs
Q1. What is this hose used for?
This Hose acts as a breather and overflow drain, channeling away condensed vapors, rainwater, or overflow fuel from the fuel tank.
Q2. Does it constantly drain fuel?
No, only in rare instances such as overfilling, or exposure to water via the filler cap.
Q3. Is this a genuine OEM part?
Yes — part 594470/A from Royal Enfield, matching factory specifications.
Q4. Which models are supported?
Bullet 500 UCE, Classic 500 EFI, Thunderbird 350/500, Classic 350 UCE/BS3, and GT 535 BS4.
Q5. Can it fit J-Series (Reborn, Hunter, Meteor)?
No — J-Series models have different tank and master-cylinder layouts and do not use this hose
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Verify Fitment on Official Brand Portals
Verify Fitment on Official Brand Portals
For selected genuine spare parts, you can cross-check the part number on the official brand portals before ordering.
Royal Enfield Official Spares Portal
Hero MotoCorp Official eCatalogue

Perfect fit . Thanks a lot