Left Button Board Replacement for MX Master 3S Mouse

$39.12 $46.28

MX Master 3S Left Mouse Button Board – Precision Replacement Part

Keep your Logitech MX Master 3S mouse performing like new with this high-quality left key mouse button board replacement. Designed as a direct-fit repair component, this part restores smooth, accurate click response so you can get back to work or play without skipping a beat.

Why Choose This Replacement Button Board?

Exact Fit: Engineered specifically for the MX Master 3S mouse — no modifications needed for a seamless installation.
Durable Construction: Made from high-quality plastic and metal composite materials, built to withstand long-term, daily use without degradation.
Smooth Operation: Precision-polished surface delivers a satisfying, tactile click feel that improves accuracy and overall mouse operation.
Quality Tested: Each button board undergoes professional quality testing to ensure reliable performance right out of the box.
Easy to Install: Moderate size and weight make installation straightforward — ideal for DIY repair enthusiasts and technicians alike.
Cost-Effective Repair: Extend the life of your premium mouse without the expense of a full replacement.

Specifications

Compatible Model: Logitech MX Master 3S
Button Position: Left (Primary Click)
Material: Plastic + Metal
Quantity: 1 Piece
Color: As shown in product images
Country of Origin: Made in China

Important Notes

Product images are for reference only; please refer to the specifications above for exact details.
Slight size variations may occur due to manual measurement tolerances.
Actual color may vary slightly from images due to monitor display differences.

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Frequently Asked Questions

Q: Is this left mouse button board compatible with the MX Master 3 (non-S) model?

A: This replacement button board is specifically designed for the MX Master 3S. While it may look similar to parts from other MX Master models, we recommend verifying your exact mouse model before purchasing to ensure a proper fit.

Q: Is this replacement part difficult to install at home?

A: The left button board is designed for straightforward installation, with a moderate size and weight that makes DIY repair accessible. Basic mouse disassembly knowledge and a small screwdriver set are recommended. If you are unsure, consulting a local electronics repair technician is a great option.

Q: What materials is this button board made from?

A: The replacement button board is constructed from a combination of durable plastic and metal, selected for longevity and a smooth, responsive click feel during everyday use.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.