Check Spring 502668=411153 for Singer 457G, 457U Sewing Machine
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Tension Check Spring (502668 / 411153) for Singer 457G & 457U
Maintain perfect loop formation and precise thread control with the Premium Tension Check Spring (Part #502668 / 411153). Specifically designed for the Singer 457G and 457U industrial series, this high-response spring is the critical component that manages thread slack during the needle's rapid descent.
Key Features & Benefits
High-Response Elasticity: Engineered to handle the intense speed of the Singer 457 series, ensuring the thread stays taut until the needle point enters the fabric, preventing "bird-nesting" and skipped stitches.
Specialized for Zig-Zag Action: Designed to compensate for the varying thread requirements of wide zig-zag and 3-step stitching, providing consistent tension regardless of the needle position.
Premium Spring Steel: Manufactured from high-fatigue-resistant steel to ensure the spring retains its "snap" and tension settings through millions of cycles in a high-volume production environment.
Part Supersession (502668 = 411153): This part replaces the older model number 502668 with the updated 411153 standard, ensuring a perfect fit in the tension assembly of both 457G and 457U machines.
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.
Once your order ships, you will receive a tracking number by email.
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.