Left Mouse Button Switch for MX Master 3S

4.8 · 6 reviews
Price range: $11.41 through $15.81
Pay now, in 4 interest-free payments of $2.85, or over 3–6 months
4 interest-free payments of $2.85

Upgrade your MX Master 3S with this durable left mouse button switch.

  • High-quality original microswitch
  • Precise control and easy clicking
  • Durable plastic construction
  • Compatible with MX Master 3S
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Estimated Delivery Time3–7 business days

Precision Engineering for MX Master 3S

This left mouse button switch is designed to restore your MX Master 3S mouse to optimal performance. Featuring original high-quality microswitches, it ensures precise click control and responsiveness essential for productivity and gaming alike.

Crafted from durable plastic, this replacement part offers long-lasting reliability during intense daily use.

Enhanced Gaming and Productivity

Ideal for gamers and professionals who demand accuracy and seamless navigation. This replacement enables you to regain tactile feedback and improved click responsiveness, enhancing your overall experience.

  • Quick and easy access to mouse functions
  • Durable to withstand repetitive clicking
  • Improves precision for gaming and work tasks

Key Specifications

  • Quantity options: 1 piece or 2 pieces
  • Compatible model: MX Master 3S
  • Material: Durable plastic
  • Brand: LIEI

What's in the box

  • 1x Left mouse button switch for MX Master 3S
Product FAQ

Frequently asked questions

01 What mouse models is this left button switch compatible with?

This left mouse button switch is specifically designed for the MX Master 3S.

02 What material is the replacement button made from?

The button is made from durable plastic to ensure long-lasting functionality.

03 How many pieces come in a package?

You can purchase either 1 or 2 pieces in the package.

04 Does this part include the microswitch?

Yes, it includes a high-quality original microswitch for precise control.

05 Is this product suitable for gaming?

Yes, it is designed to enhance precision and control, suitable for gaming use.

06 Can this replacement improve mouse clicking performance?

Yes, it enables precise control and easy clicking for seamless navigation.

07 Where is this product manufactured?

This left mouse button switch is made in Mainland China.

08 Does the switch contain any high-concern chemical?

No, it contains no high-concern chemicals.

09 What is included in the package?

The package contains 1 mouse button board left key as a replacement part.

10 Who is the brand behind this replacement part?

The replacement part is branded by LIEI.

Categories
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Weight—
AvailabilityIn stock
SKUGA_181454

Discussion

4.8
Based on 6 reviews
Rating
AliExpress Shopper September 7, 2026 ★ ★ ★ ★ ★

There was a symptom of the drag being released, but after replacing it, it feels like a new mouse.

a***r April 21, 2026 ★ ★ ★ ★ ★

Soldered it. Everything works well.

Б***ч April 5, 2026 ★ ★ ★ ★ ★

The button didn't work.

S***n March 13, 2026 ★ ★ ★ ★ ★

Perfect for mx master 3s

M***k February 5, 2026 ★ ★ ★ ★ ★

perfect for Logi 3s - works like the original and even better (quieter)