Bobbin 100376051 | Sewing Machine Replacement Bobbin
Find replacement bobbin 100376051 at Ban Soon Sewing Machine Pte Ltd, Singapore, on sewing.sg. Dimensions: 21.2 mm diameter × 9.2 mm height. It holds the lower thread for sewing. Confirm your machine’s specified bobbin type and part number before ordering; dimensions alone do not guarantee compatibility.
Six popular sewing applications
- Garment construction
- Clothing alterations
- Hemming
- Patchwork
- Home décor sewing
- Fabric repairs
Applications depend on machine compatibility and fabric capability.
Three practical advantages
- Part-number identification is clearer than choosing by appearance alone.
- Published dimensions help compare against your existing bobbin.
- Pre-wound backups reduce interruptions compared with rewinding mid-project.
Three common failure scenarios
- Damaged edges snag or break thread.
- Distortion causes rubbing or uneven rotation.
- Uneven winding causes erratic thread delivery.
Replacement procedure
Switch off and unplug. Remove the bobbin following your manual. Brush away lint. Replace damaged bobbins rather than reshaping them. Wind evenly, install in the specified direction, route thread correctly, and test on scrap fabric.
Operator maintenance and backups
Inspect edges before use; avoid overfilling. Keep bobbins clean, dry and protected. Lubricate only where your manual specifies. Recommended backup: 3–5 compatible bobbins per machine.
Supplier-listed compatibility reference
GoldStar Tool lists 100376051 and SA159 as alternative part numbers for its 55623S steel L-style rotary bobbin and lists the models below. These are supplier-listed applications, not a guarantee of fit for our stock. The source does not specify dimensions. Check your machine manual and confirm the required bobbin specification against this product’s 21.2 mm diameter × 9.2 mm height before ordering.
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Baby Lock: BL3000, BL4000, BL500A Jane, BL510A, BL5000, BL5020, BL520B Accomplish, BL7000, BLQP, BMP9, BMT6, BNAL Alliance, BNT10, EMP6.
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Bernette: 320, 330, 340, 430, 440.
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Bernina: 1000, 1000+, 1001, 1070, 1080.
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Brother: PR1000, PR1050X Entrepreneur, PR600II, PR620, PR650, PR670E Entrepreneur, PQ1300, PQ1500, PQ1500SL, PQ1500SLPRW, PQ1500S Nouvelle, TZ1-B652, XL703.
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Consew: 103, 105, 199R, 210, 220, 2230, 230, 231, 292, 99.
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Elna: 100, 1000, 101, 102, 103, 104, 7100, 940, Sew Fun, Sew Green, Sew Zebra.
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Husqvarna Viking: 2780, 2840, Mega Quilter 1200.
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Janome (New Home): 1600P, 1600P-DB, 1600P-DBX, 1600P-QC, 1600 Series, MB-4. Check the exact model specification rather than relying on a series name.
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Juki: DDL-555, DDL-227, DDL-5530, DDL-5550, TL-2000Qi, TL-2010Q, TL-2200QVP Mini, TL-98E, TL-98P, TL-98Q, TL-98QE.
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Necchi: 543, Mirella.
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Pfaff: 1200 Hobby Grand Quilter.
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Riccar: 2600, 2800, 2900, 2950, 3300, 3400, 3500, 3600, 4001, 4003, 414, 420, 500, 515, 525, 550, 555FA, 606, 651, 666FA, 777, 800R, 805, 806, 807, 808E, 8400, 8500, 888, 906E, 9150, 9160, 9600, 9700, 9800, 9900, R551, R552, R570, R572, R650, R651, R750, R751, RE571, RE580, RE581, RE591, RE640, RM540, RM570, RZ206B.
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Singer: 103K7, 115, 120U, 188K1, 191D200A, 20U, 20U11, 20U13, 20U31, 20U33, 20U43, 20U53, 20U73, 20U73B, 20U83, 20U83B, 206K, 251, 281, 291U1, 291U3, 306K, 306W, 319, 1191D300A, 1591D300A, 591D200A, 591D300A, S16.
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White: 8000.
Reference: GoldStar Tool: Metal Rotary L-Style Bobbins 55623S.
