Product Description
Maintain a leak-free engine environment with the Genuine Honda O-Ring (18X3). This precision-engineered sealing component is critical for maintaining vacuum and fluid pressure within various engine assemblies, preventing oil seepage and air leaks that can compromise engine performance.
Precision-manufactured by Honda Motor India, this O-ring is crafted from high-grade synthetic rubber designed to withstand extreme pressure and chemical exposure. Its specific 18X3 mm dimensions ensure a perfect, high-tension seal, making it an essential replacement during routine maintenance or engine overhauls to prevent costly fluid loss and ensure long-term mechanical reliability.
Key Features
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OEM Honda Reliability: A 100% genuine replacement part (Part No: 91307KRM840), guaranteeing an exact factory fit and superior sealing properties compared to generic alternatives.
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High-Resilience Material: Engineered from premium elastomers to resist compression set, ensuring the ring maintains its shape and sealing force under constant heat and vibration.
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Chemical & Heat Resistance: Specially formulated to withstand prolonged contact with engine oil and fuel without swelling or degrading.
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Universal Precision: Features a standardized 18X3 profile for consistent performance across multiple Honda engine platforms.
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Authentic Packaging: Shipped in original Honda Genuine Parts & Accessories packaging, including a verifiable QR code for guaranteed authenticity.
Product Details
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Brand: Honda Genuine Parts
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Part Number: 91307KRM840
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Product Name: O-RING, 18X3
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Manufactured Date: February 2025
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Quantity: 20 Number(s) per pack
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Country of Origin: India
Compatibility
This versatile O-ring is used across a wide range of Honda motorcycles and scooters:
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Honda CB Shine / Shine SP
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Honda Unicorn 150 / 160
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Honda Activa (Various engine internal seals)
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Honda SP 125
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Honda Livo / Dream Series (Please verify the specific application in your vehicle’s parts catalog to ensure this 18X3 ring is the correct fit for your intended assembly).










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