Universal 19mm QMB139 carburetor with vacuum port and accelerator pump for GY6 50cc 4-stroke scooters. EPA-ready, electric choke. SKU 151-233. Universal 19mm QMB139 carburetor with vacuum port and accelerator pump for GY6 50cc 4-stroke scooters. EPA-ready, electric choke. SKU 151-233.
Universal 19mm QMB139 carburetor with vacuum port and accelerator pump for GY6 50cc 4-stroke scooters. EPA-ready, electric choke. SKU 151-233.

Universal Parts

Blue Line 19mm CVK Carburetor w/ Vacuum Port: 139QMB

SKU 151-233
$46.00 Sold out
Shipping calculated at checkout.
Description

The Universal Parts QMB139 Type-4 19mm carburetor is a direct-fit replacement for GY6 50cc 4-stroke scooter engines. Featuring a built-in accelerator pump and vacuum port, this carb delivers crisp throttle response, reliable cold starts, and emissions-compliant performance right out of the box. Whether you're restoring a tired scooter or upgrading a worn-out carb, this is a proven, plug-and-play solution. SKU: 151-233.

Key Features

  • 19mm precision venturi for optimized fuel-air mixture
  • Built-in accelerator pump for responsive throttle
  • Vacuum port for emissions canister compatibility
  • Electric choke with 2-pin male plug connector
  • EPA-regulated, emissions-ready design
  • 38mm air filter mount (standard fitment)

Technical Specifications

  • Intake Inner Diameter: 19mm
  • Air Filter Mount: 38mm
  • Choke Type: Electric (2-pin male plug)
  • Engine Type: GY6 / QMB139 50cc 4-stroke
  • Weight: 1.5 lbs
  • Dimensions: 7" L x 6" W x 6" H

Compatibility

Engine Displacement
GY6 / QMB139 50cc

About Universal Parts

Universal Parts is a leading supplier of scooter and powersports components, offering a broad catalog of OEM-compatible replacement parts trusted by dealers and enthusiasts alike.

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