Product Description
Shimano 10BPD Drive Shaft Bushing (BNT4396)
The Shimano 10BPD Drive Shaft Bushing (BNT4396) is a precision-machined internal component designed to provide critical support and stabilization for the main drive shaft of your reel. By securing the base of the drive shaft, this bushing reduces lateral movement and "play," ensuring that the main gear and pinion gear remain perfectly aligned even under the heavy pressure of a high-drag battle.
Constructed from a specialized low-friction composite material, the 10BPD is engineered for durability and smooth rotation. Over time, bushings can compress or wear down, leading to a "wobble" in the handle or a grinding sensation during the retrieve. Replacing a worn bushing with this genuine Shimano factory part restores the structural integrity and smooth, solid feel of your reel’s drivetrain.
Product Specifications
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Part Name: Drive Shaft Bushing
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Part Number: 10BPD
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Shimano Code: BNT4396
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Material: High-Density Industrial Polymer / Composite
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Function: Drive shaft alignment and rotational support
Alternate Part Numbers
This component is frequently cross-referenced or identified by the following Shimano part number in technical manuals:
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BNT4396
Compatibility & Fitment
The 10BPD (BNT4396) is a primary component for Shimano’s high-end round baitcasting and specialized trolling series. It is a direct factory fit for the following models:
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Shimano Calcutta D Series: CT-200D, CT-201D, CT-300D, CT-301D, CT-400D, CT-401D
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Shimano Calcutta Conquest Series: Select models utilizing the BNT4396 specification
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Shimano Ocea Conquest Series: Fits various 200–400 size offshore models (Verify via schematic)
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Shimano Cardiff Series: Select high-spec versions
Pro Tip: For maximum performance, many anglers choose to upgrade this bushing to a high-speed ball bearing; however, the original 10BPD bushing is preferred for its superior resistance to saltwater intrusion and its ability to withstand extreme vertical pressure. To verify the exact location of this part within your reel's frame, refer to the PDF schematics available at www.reelschematic.com.
Key Features
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Eliminates Handle Play: Restores the tight, factory-fresh tolerances of the drive shaft assembly.
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Corrosion Proof: Unlike metal bearings, this composite bushing is immune to rust and salt crystallization.
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Quiet Operation: Dampens mechanical vibration for a smoother, silent retrieve.
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OEM Precision: Guaranteed to seat perfectly within the crank mounting plate without modification.
