Front Brake Master Cylinder w/ Brake Switch – 50cc Scooters

Description

Restore full hydraulic front braking with this OEM right-side front brake master cylinder assembly for the CSC Go and QMB139-engine Chinese scooters equipped with hydraulic disc brakes. Black finish with integrated DOT fluid reservoir, ball-end brake lever, banjo bolt hydraulic output fitting, and two-wire brake light switch pigtail (green/blue wires, bare spade terminals).

Key Features

• Complete Assembly: Master cylinder, integrated fluid reservoir, ball-end lever, and brake light switch included.
• Integrated Brake Light Switch: Two-wire pigtail (green/blue) with bare spade terminals — plugs directly into factory harness.
• Banjo Bolt Hydraulic Output: Standard fitting for hydraulic disc brake hose connection.
• Right-Side Fitment: Front brake (right handlebar).

Specifications

• SKU: 1000-4038
• Side: Right (front brake)
• Brake Type: Hydraulic disc
• Reservoir: Integrated, with DOT warning label cap
• Lever: Ball-end, black
• Output Fitting: Banjo bolt
• Switch: 2-wire brake light switch, green/blue pigtail, bare spade terminals

Compatibility

• CSC Go (all versions with hydraulic front disc brake)
• CSC Go MAX (hydraulic front disc brake)
• QMB139-engine Chinese scooters with hydraulic front disc brake systems