Product Description
Prevent messy leaks and maintain proper lubrication within your transmission with the Genuine Royal Enfield Oil Seal. This OEM sealing component (Part No: 147079) is the factory-standard secondary shaft (output shaft) seal designed for the Unit Construction Engine (UCE) and older engine platforms.
The 147079 oil seal is located behind the front sprocket (drive sprocket) and is responsible for keeping gearbox oil contained while the output shaft spins at high speeds. Fabricated from high-grade Nitrile Butadiene Rubber (NBR) with a reinforced steel spring, it is engineered to withstand high rotational friction and extreme temperature fluctuations without hardening. Over time, road grit and chain grime can wear down the inner lip of the original seal, leading to oil weeping around the sprocket area; replacing it with this genuine part ensures a bone-dry transmission and protects your driveway from oil spots.
Key Features:
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High-Pressure Double Lip: Features a primary sealing lip and a secondary dust lip to keep oil in and road contaminants out.
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Garter Spring Reinforced: Includes an internal tension spring that maintains a constant, 360-degree grip on the shaft for a perfect seal.
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Heat Resistant Compound: Specifically formulated to remain pliable despite the intense heat generated by the gearbox and engine.
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OEM Precision Fit: Manufactured to the exact inner and outer diameter specifications to ensure a “press-fit” that won’t migrate under pressure.
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Universal UCE Spares: A standard maintenance item for almost all 350cc and 500cc single-cylinder Royal Enfield models.
Product Specifications:
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Brand: Royal Enfield Genuine Parts
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Part Number: 147079
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Type: Output Shaft Oil Seal / Gearbox Seal
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Material: NBR Rubber with Internal Steel Reinforcement
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Manufacturing Date: 01/2026
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Compatibility:
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✅ Royal Enfield Classic 350 / 500 (UCE & EFI)
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✅ Royal Enfield Bullet 350 / 500 (Standard, Electra, ES)
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✅ Royal Enfield Thunderbird 350 / 500
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✅ Royal Enfield Continental GT 535
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✅ Royal Enfield Himalayan 411 (Rear Brake Master Cylinder application)
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❌ Note: Not compatible with J-Series (Reborn/Meteor) 350cc engines.
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