Product Description
The 594511/A Rubber Boot is a critical protective seal for the rear brake master cylinder. Positioned at the entry point of the push-rod, its primary role is to prevent dust, mud, and water from entering the cylinder bore.
If this boot is cracked or missing, abrasive particles can reach the internal primary seals, leading to rapid wear, fluid leaks, and eventually a loss of rear brake pressure. Made from high-grade synthetic rubber, this genuine boot is designed to remain flexible under constant mechanical movement and resist degradation from exposure to brake fluid and UV rays. It is a simple but vital part that ensures the long-term reliability of your disc brake system.
Key Features:
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Genuine OEM Protection: 100% original Royal Enfield spare (PN: 594511/A) for perfect fitment on the master cylinder body.
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High-Grade Rubber: Manufactured from durable, weather-resistant elastomer that withstands extreme road conditions.
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Dust & Moisture Barrier: Seals the hydraulic piston assembly from contaminants that cause internal corrosion and seal failure.
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Universal UCE/LS Fitment: Standardized across most Royal Enfield models equipped with a rear disc brake system.
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Easy Replacement: Can be installed by sliding over the push-rod during a minor brake service or overhaul.
Technical Specifications:
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Part Number: 594511/A (Sometimes listed as 594511A)
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Component Type: Rear Master Cylinder Dust Boot / Rubber Seal
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Material: Flexible Synthetic Rubber
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Color: Black
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Quantity: 1 Number
Vehicle Compatibility:
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Royal Enfield Classic 350 / 500 (UCE Models with Rear Disc)
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Royal Enfield Himalayan 411 (BS3, BS4, BS6)
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Royal Enfield Scram 411
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Royal Enfield Bullet 350 / 500 (Models with Rear Disc)
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Royal Enfield Thunderbird 350 / 500 / 350X / 500X
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Note: Specifically for master cylinders manufactured by Endurance (ETL) or ByBre as found in the factory setup.












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