Shimano 10a40 Pinion Gear

Product Description

The SHIMANO 10a40 is a pinion gear designed as a replacement component for Shimano fishing reels and compatible outdoor recreation equipment. The pinion gear is a core drivetrain part that transfers rotational force from the handle and drive gear to the rotor or spool assembly. When a pinion gear wears, chips, or fails, smooth retrieve and drag performance are compromised. This part restores proper mechanical engagement and is installed by experienced technicians or knowledgeable end users performing reel servicing and maintenance.

This pinion gear is suited for reel servicing applications where the original Shimano component requires replacement due to wear or damage. It is typically installed during a full reel teardown and service, making it a go-to part for fishing reel repair shops and tackle service technicians. Using an OEM-matched component like this ensures correct gear mesh and tolerances are maintained after reassembly.

Key Features

• OEM Shimano replacement pinion gear for accurate fitment and gear mesh
• Restores proper rotor or spool drive engagement after drivetrain wear
• Designed to Shimano manufacturing tolerances for reliable retrieve performance
• Suitable for use by reel service technicians and experienced users

Compatibility

Designed as an OEM-style replacement pinion gear for compatible Shimano fishing reel models. Consult the Shimano parts diagram for the specific reel model to confirm fitment before installation.

Installation Notes

Installation should be performed by a qualified reel service technician or an experienced user familiar with fishing reel disassembly procedures. Before servicing, fully remove the reel from the rod and release any line tension. Proper reel service tools, including appropriate screwdrivers and bearing pullers, are recommended to avoid damaging adjacent components. Apply manufacturer-recommended reel grease to gear contact surfaces during reassembly.

Technical Specifications

• Component Type: Pinion Gear

Standard Information

• Brand: SHIMANO
• Manufacturer Part Number: 10a40