The Royal Enfield Genuine Sump Drain Cap Assembly (Part No. 570078/D) is a critical Original Equipment (OE) component located at the base of the engine crankcase. This assembly serves as the primary access point for draining engine oil during periodic maintenance.
this cap is precision-engineered from high-grade alloy to withstand the high thermal cycles of the engine. It is designed with factory-spec threading to ensure a perfect, leak-proof seal. Using a genuine 570078/D assembly is essential to prevent oil seepage and to avoid the “stripped thread” issues commonly caused by using inferior, non-standard bolts.
Key Features:
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100% Genuine Part: Authentic Royal Enfield hardware as verified by the official factory packaging.
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High-Strength Construction: Forged to handle the torque required for a secure seal without shearing or deforming.
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Precision Threading: Matches the engine casing perfectly to prevent cross-threading and internal damage.
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Thermal Stability: Designed to maintain its seal integrity even at peak engine operating temperatures.
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Magnetic Capability: Often designed to capture fine metallic particles from the oil, protecting internal engine components (depending on specific production batch).
Technical Specifications:
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Brand: Royal Enfield Genuine
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Part Number: 570078/D
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Component: Sump Drain Cap Assembly (Oil Drain Bolt)
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Material: Hardened Alloy Steel
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Country of Origin: India
Motorcycle Compatibility
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Royal Enfield Classic 350 / 500 (UCE Models)
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Royal Enfield Bullet 350 / 500 / ES
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Royal Enfield Thunderbird 350 / 500 / X
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Royal Enfield Electra 350











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