Singer Original Bobbin Case & Hook Assembly - Model 237 & 239

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Original Singer Bobbin Case and Hook Assembly This complete bobbin case and hook assembly is the heart of your Singer sewing machine's stitch formation system. Essential for proper bobbin thread delivery and stitch quality. Complete Assembly Includes: Bobbin Case - Original Singer part #81417 Hook Assembly - Original Singer part #2515 Why This Assembly is Critical: Forms the lower thread loop for every stitch Controls bobbin thread tension and delivery Prevents thread jams and skipped stitches Maintains consistent stitch quality Signs You Need Replacement: Bobbin thread bunching or tangling Inconsistent stitch formation Thread tension problems Worn or damaged hook surfaces Compatibility: Singer Models 237 & 239 Part Numbers: Hook #2515, Bobbin Case #81417 Condition: Original Singer parts in excellent working condition Restore your Singer's precision stitching with this genuine replacement assembly. Show more