Pfaff / Husqvarna Viking Thread Sensor / Check Spring Assembly – OEM Part #68012425

The Thread Sensor / Check Spring Assembly (Part #68012425) is a genuine OEM replacement designed for select Pfaff and Husqvarna Viking sewing machines. This component monitors upper thread movement and tension, ensuring proper stitch formation and helping prevent thread breaks or sensor errors during operation.

Engineered for precision, this assembly plays a critical role in maintaining smooth stitching performance—especially on advanced, high-end machines.

Key Features

• Genuine OEM Pfaff / Husqvarna Viking part
• Monitors upper thread movement and tension
• Helps prevent thread break errors and interruptions
• Ensures consistent stitch formation
• Integrated check spring for proper thread control
• Precision-built for exact fit and performance
• Easy replacement for servicing and repair
• Sold as a complete assembly

Compatible Husqvarna Viking Sewing Machine Models

Guaranteed to fit Husqvarna Viking sewing machine models:

Designer Epic II, Designer Epic 95Q

Compatible Pfaff Sewing Machine Models

Guaranteed to fit Pfaff sewing machine models:

Creative Icon 2

Not Compatible With

❌ Designer Epic (original)
❌ Epic 3
❌ Epic Quilt 97
❌ Epic 980Q

Alternate Part Numbers

68012425

Why Replace the Thread Sensor Assembly?

A faulty or worn thread sensor assembly can cause:

• False thread break warnings
• Interrupted stitching
• Poor tension control
• Inconsistent stitch quality

Replacing this assembly restores accurate thread detection and smooth machine operation.

FAQs

Q: Is this a complete assembly?
A: Yes — this includes the thread sensor and check spring as a complete unit.

Q: Will this fit my original Designer Epic?
A: No — this part is not compatible with the original Epic model.

Q: What machines does this fit?
A: It fits newer platforms including Epic II, Epic 95Q, and Pfaff Creative Icon 2.