Pre Tension Spring CS8078 for Industrial Sewing Machines
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Pre-Tension Spring 8078 for Singer 144W, 145W, Singer 132K & Seiko JW-28BL Sewing Machines
Improve stitch consistency and thread control with this pre-tension spring, designed for Singer 144W, 145W, Singer 132K, and Seiko JW-28BL industrial sewing machines. This essential component helps regulate thread flow before it reaches the main tension unit, ensuring balanced tension and smooth stitching performance.
Key Features:
?? part – 8078
?? Compatible with Singer 144W, 145W, 132K & Seiko JW-28BL models
?? Controls thread flow for balanced and consistent tension
?? Helps prevent thread breakage and uneven stitches
?? Durable, high-quality spring steel construction
Pre-tension springs play a crucial role in maintaining proper thread tension by guiding and controlling thread movement through the tension system, directly impacting stitch quality and machine performance . The 8078 tension spring is also listed in official parts diagrams for these machines, confirming its role within the tension assembly .
A reliable and cost-effective replacement part to keep your sewing machine operating smoothly with precise and professional results.
Compatible Machines
- Singer 144W, 145W, Singer 132K and Seiko JW-28BL
- Singer 132B, 132K and 133K and Seiko JW28Bl
- Seiko SK-2B, 6, 6F and JW28BL and Singer 132K
- Seiko JW-28BL-10, 20-1, 30-1 and Singer 132K
- Seiko JW-28BLC-20, 30
Orders are typically processed within 1–3 business days.
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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.