Stitch Length Regulator 163952 for Singer 337, 338 & More Sewing Machines
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Replacement control knob or dial for sewing machines. Provides accurate adjustment of stitch length, stitch width, and tension settings.
Compatible Models:
337, 338, 347, 348, 457, 466, 476, 477, 478
Features:
- Correct fitting for listed machine control shafts
- Clear markings for accurate setting adjustment
- Firm grip for precise control
- Direct replacement for cracked or missing originals
Package Includes:
- 1 × STITCH LENGTH REGULATOR (Part #: 163952)
Handling & Shipping:
Ships from USA stock when available. Professional packaging for safe delivery during transit.
✔ Free shipping on orders over $99
✔ Ships from our USA (Georgia) office when in stock
✔ Weekly restocking from Japan, China, Bangladesh, and Turkey warehouses
✔ 3–7 business days handling time
✔ Compatible with multiple industrial sewing machines
✔ Carefully inspected before shipment
💡 Add more items to your cart to qualify for free shipping ($99+)
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⚠️ Please confirm your machine model before ordering