6mm Pair of zinc-plated M6x1.00 double-ended exhaust stud bolts - 32mm long, fits most QMB139 GY6 50cc scooter engines 6mm Pair of zinc-plated M6x1.00 double-ended exhaust stud bolts - 32mm long, fits most QMB139 GY6 50cc scooter engines
6mm Pair of zinc-plated M6x1.00 double-ended exhaust stud bolts - 32mm long, fits most QMB139 GY6 50cc scooter engines

Universal Parts

Universal Parts 6mm Exhaust Stud Bolt Set - M6-1.00

SKU 148-118
$2.00
Shipping calculated at checkout.
Description

Replace stripped or corroded exhaust mounting studs on your 50cc or GY6 scooter with this Universal Parts M6x1.00 Exhaust Stud Bolt Set. These zinc-plated double-ended studs are a direct fit for 50cc 2-stroke and 4-stroke GY6/QMB139 engines, securing the exhaust pipe flange to the cylinder head. Sold as a set of 2 — enough for a complete exhaust flange replacement.

Engine Compatibility

  • 50cc 2-stroke engines: 1DE41QMB, and others
  • GY6 4-stroke engines: 139QMB and compatible variants

Key Features

  • Double-Ended Stud Design: Threads into the cylinder head on one end, accepts exhaust flange nut on the other.
  • Zinc-Plated Steel: Corrosion-resistant finish for heat and moisture resistance.
  • OEM Specification: M6x1.00 thread pitch matches factory exhaust mounting hardware.
  • Sold as a Set of 2: Complete replacement set for both exhaust flange studs.

Technical Specifications

  • Thread Size: 6mm 
  • Thread Pitch: 1.00
  • Overall Length: 32mm
  • Material: Zinc-plated steel
  • Quantity: Set of 2

California Prop 65 Warning: www.p65warnings.ca.gov
Product Diagrams
Features
  • Double-ended stud threads into cylinder head and accepts exhaust flange nut
  • Zinc-plated steel for corrosion and heat resistance
  • M6x1.00 thread pitch matches OEM exhaust mounting hardware
  • 32mm overall length — direct fit for QMB139 and GY6 engines
  • Sold as a set of 2 for complete exhaust flange replacement
Specifications

Thread: M6 x 1.00 | Length: 32mm | Material: Zinc-plated steel | Qty: Set of 2 | Fitment: QMB139, GY6, 50cc 2-stroke engines
Model Fitments

50cc 2-stroke engines: 1DE41QMB, QMB139; GY6 4-stroke engines: 139QMB and compatible variants
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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