The Honda Genuine Crankshaft Oil Seal (Part No. 91202-KWP-D01) is a high-performance internal powertrain sealing component engineered exclusively for Honda’s 100cc and 110cc automatic scooter platforms. Positioned on the left-hand (LH) side of the engine block directly behind the front variator assembly and kick-starter drive face, this seal forms the primary defense line for the engine’s lower crankcase.
As verified by the official packaging barcode label in image_3fbadc.png and shown in the standalone component view in image_3fbab6.png, this seal is built to isolate the fast-spinning crankshaft journal on the transmission side. Its critical job is to contain pressurized engine oil inside the crankcase while keeping the dry Continuously Variable Transmission (CVT) belt chamber completely free of oil mist and grease. Utilizing this authentic Honda replacement part guarantees absolute dimensional sealing and specialized high-heat elasticity, completely preventing CVT belt slippage, rapid clutch degradation, and loss of engine oil.
Key Features:
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100% Honda Genuine Transmission Spares: Factory-original left-side crankshaft oil seal as verified by the OEM label tracking details in image_3fbadc.png.
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High-Flexibility Fluorocarbon Elastomer: Formulated to endure punishing internal engine temperatures and continuous chemical contact with hot oil without dry-rotting, shrinking, or losing wall tension.
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Integrated Heavy-Duty Garter Spring: Equipped with a precision internal steel tension spring that wraps tightly around the moving crankshaft shaft, maintaining a uniform radial seal at both low idle and peak RPMs.
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Dual-Lip Oil Deflection System: Designed with a robust primary sealing lip to contain engine oil under crankcase pressure and an external secondary lip to deflect destructive CVT belt dust and rubber debris.
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Exact Dimensional Blueprint Fit: Machined to strict factory specifications ( configuration, often written as or standard variants) for a tight, distortion-free press-fit inside the left-hand engine crankcase bore.
Technical Specifications:
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Brand: Honda Genuine Parts
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Part Number: 91202-KWP-D01 (Also matches sub-codes like 91202KWPD01)
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Component: Crankshaft Oil Seal (Left-Hand / Variator Side)
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Dimensions:
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Material: Premium Weather-Resistant Synthetic Rubber / Viton Alloy with Tensioning Spring
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Country of Origin: India
Scooter Compatibility
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Honda Activa 110cc Series: Activa 3G, Activa 4G, Activa 5G, and Activa 6G (including H-Smart variants).
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Honda Dio 110cc: All model generations (Carbureted and Fuel-Injected/BS6 models).
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Honda Aviator 110cc: All variants sharing the standard 110cc automatic engine block architecture.
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Honda Activa i: 110cc lightweight automatic scooter models.











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