Viking/Pfaff thread tension topaz cv diamond. 412940208

Genuine OEM upper thread tension assembly designed for select Husqvarna Viking and Pfaff computerized sewing and embroidery machines. This complete unit regulates upper thread pressure to deliver precise stitch formation, consistent tension, and professional-quality results.

This version is supplied without thread portioning/metering, making it a direct replacement for machines that use electronic tension control systems. It is commonly used in higher-end Viking and Pfaff models including Topaz, Diamond, and Creative Vision platforms.

Key Features

• OEM factory replacement part for exact fit and performance
• Complete upper tension assembly (electronic compatible)
• Restores:
  • Balanced stitch quality
  • Proper thread control
  • Consistent tension across fabrics
• Fixes common issues:
  • Looping or loose stitches
  • Thread breakage
  • Inconsistent tension response
• Designed for computerized sewing/embroidery machines
• Version without thread portioning/metering system

Compatible Models

Husqvarna Viking

• Designer Diamond
• Designer Topaz 20 / 25 / 30 / 40 / 50
• Sapphire 875 / 930 / 960Q
• Designer Ruby

Pfaff

• Creative 4.0
• Quilt Expression 4.0 / 4.2
• Performance 5.0 / 5.2

Installation Notes

• Advanced component—integrates with electronic tension systems
• Installation typically requires disassembly and calibration
• Recommended for technicians or experienced users
• Verify machine compatibility carefully—this part covers multiple platforms but not all variants