Check Spring Left 9117632905 for Pfaff 1425, 1426 and Pfaff 1525 Sewing Machines
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Left Check Spring (91-176329-05) for Pfaff Sewing Machines
Ensure flawless thread tension and stitch consistency with the Left Check Spring (Part #91-176329-05). Also known as a take-up spring, this component is critical for controlling thread slack during the needle's descent, preventing loops, tangles, and skipped stitches in high-speed industrial environments.
Specifically engineered for the left-side tension assembly of Pfaff compound feed machines, this spring provides the exact recovery tension required for heavy-duty threads used in upholstery and leatherwork.
Key Features
Precise Tension Calibration: Specifically wound to provide the correct resistance and snap-back for the left-hand needle thread, ensuring stable stitch formation at high RPMs.
High-Fatigue Spring Steel: Manufactured from premium-grade spring wire to withstand millions of cycles without losing its shape or tension, a must for industrial production.
Smooth Contact Surface: The loop is polished to a mirror finish to ensure the thread glides through without friction, fraying, or snagging, even when using bonded nylon or polyester threads.
Direct OEM Specification: Designed as a drop-in replacement for the original Pfaff part number 91-176329-05, ensuring a perfect fit within the tension regulator housing.
Orders are typically processed within 1–3 business days.
We ship from our Georgia, USA warehouse. If an item is temporarily unavailable in the U.S., we source it through our global supplier network and will notify you of the estimated lead time.
Free shipping is available on U.S. orders over $99.
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For urgent orders or shipping questions, please contact us before placing your order.
We stand behind the quality of the products we sell.
• Genuine OEM parts are covered by the manufacturer's warranty where applicable.
• Aftermarket and generic parts are covered against manufacturing defects.
• If you receive a damaged, defective, or incorrect item, please contact us within 30 days of delivery.
• Warranty does not cover damage caused by improper installation, misuse, normal wear, or modifications.
If you have any questions, our support team is happy to help before or after your purchase.