Singer Bobbin Case 51045 | Fits Singer & Juki Sewing Machines OEM Replacement

Fix thread bunching, tension issues, and inconsistent stitching with the correct OEM bobbin case.

The Singer Bobbin Case (Part #51045) is a precision replacement designed to restore proper stitch formation and smooth operation across a wide range of Singer and select Juki sewing machines.

If your machine is experiencing bird nesting, skipped stitches, or uneven tension, a worn or incorrect bobbin case is often the cause. This OEM-style replacement ensures your machine returns to clean, consistent stitching.

🔧 Key Features

• ✔ OEM-quality Singer replacement part
• ✔ Precision fit for accurate bobbin tension
• ✔ Eliminates thread bunching and skipped stitches
• ✔ Direct drop-in replacement
• ✔ Durable construction for long-term reliability

✅ Guaranteed Fit Compatibility

Fits Juki Sewing Machine Models:

HZL-27Z, HZL-35Z

Fits Singer Sewing Machine Models:

2639, 2662, 5625, 7258 Stylist, 7285Q Patchwork*, 7412, 7470 Companion, 7422 Advance, 7424, 7426, 7430, 7436 Ingenuity, 7442, 7444, 7446, 7462, 7463 Confidence, 7464, 7465 Confidence, 7466, 7467 Confidence, 7468, 7469, 7469Q Confidence Quilter, 7563, 7470 Confidence, 8763 Curvy, 8770 Curvy, 8780 Curvy, CE-100 (Futura), CE-150 Futura III, CE-250 Futura III, CE-350 Futura III, Experience 160, Quantum Futura CE-200, S800, SES1000, SES2000 Futura III

🔁 Alternate Part Numbers

40051097, 086132, 087061, 051045

⚠️ IMPORTANT FITMENT NOTE (READ BEFORE PURCHASE)

For Singer 7285Q Patchwork models:

👉 There are TWO different bobbin cases used depending on production date
👉 These ARE NOT interchangeable

• If your bobbin case has a smooth center, you need: Part #68009436
• If it matches this style, then #51045 is correct

Always compare your existing bobbin case before ordering.

Common Issues This Fixes

• Thread bunching underneath fabric (bird nesting)
• Loose or inconsistent bobbin tension
• Skipped stitches
• Machine not forming stitches correctly

Replacing the bobbin case is one of the most effective fixes for these issues.

⚠️ Installation Notes

• Clean lint and debris from hook area before installing
• Insert bobbin correctly after replacement
• Avoid adjusting tension screw unless necessary

🚀 Why Buy from ThreadWorks?

• ✔ Trusted source for Singer & Juki parts
• ✔ OEM-quality — no cheap aftermarket issues
• ✔ Fast shipping on orders $75+
• ✔ Real technician support if you need help