The Honda Genuine Shaft, Drive (18T) (Part No. 23411K0PDB0) is a factory-original replacement primary transmission input shaft engineered specifically for Honda’s fuel-injected (PGM-FI) BS6 automatic generation of scooters. Positioned directly inside the sealed rear final drive gearbox casing, this high-precision shaft acts as the critical entry point for mechanical power. The external splined end mounts directly onto the rear CVT sliding/fixed driven pulley block, while the internal 18-tooth (18T) integrated pinion gear meshes perfectly with the intermediate countershaft reduction assembly to transmit smooth rotational power to the rear wheel.
As showcased in the structural profile in image_c7de94.png and verified by the official Honda genuine retail packaging label in image_c7de58.png, this OEM component features a solid, case-hardened alloy steel construction with precision-cut helical pinion teeth and a high-strength splined axle. Choosing an authentic factory replacement over generic alternatives guarantees an exact gear tooth mesh profile, restores efficient power transfer, and completely prevents noisy transmission whining or accelerated bearing failure.
Key Features:
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100% Honda Genuine Spares: Authentic factory-original secondary transmission component manufactured to meet strict HMSI structural strength, hardness, and balancing tolerances.
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18-Tooth (18T) Helical Pinion Profile: Engineered with mathematically precise helical teeth, visible in image_c7de94.png, to ensure maximum tooth surface contact, exceptionally quiet running, and immense torque load distribution.
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Case-Hardened Forged Alloy Steel: Heat-treated to maximum industrial hardness thresholds to eliminate the risk of tooth pitting, micro-cracking, or premature wear from extreme acceleration forces.
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High-Retention Outer Splines: Machined to razor-thin tolerances to lock flawlessly into the rear CVT clutch hub without introducing rotational play or backlash.
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Micro-Finished Bearing Journals: Smoothly polished shaft surfaces ensure a perfect press-fit inside internal transmission oil seals and rolling element bearings, minimizing mechanical drag.
Technical Specifications:
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Brand: Honda Genuine Parts (HMSI)
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Part Number: 23411K0PDB0
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Component Type: Shaft, Drive (Primary Transmission Input Driveshaft)
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Gear Configuration: 18 Teeth (18T) Helical Integrated Pinion
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Material: Forged High-Tensile Case-Hardened Steel Alloy
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Price: Retails at a maximum retail price (MRP) of ₹285.00 per individual boxed unit, as officially documented on the manufacturer label in image_c7de58.png.
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Country of Origin: India
Scooter Compatibility
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Honda Activa 6G (BS6): Standard factory replacement for all variants (Standard, Deluxe, and H-Smart editions) utilizing the updated 110cc fuel-injected engine and gearbox layout.
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Honda Dio BS6: Fully compatible with modern fuel-injected 110cc automatic Dio variants sharing this updated 18T primary reduction layout.
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Compatibility Note: This specific input driveshaft is configured with the distinct 18-tooth geometry and shaft length scaled strictly for modern BS6 emission-era gearboxes. It will not fit legacy carbureted platforms (Activa 3G, 4G, or 5G), which require older gearbox series architectures with different tooth configurations.












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