Is your sewing or embroidery machine struggling with inconsistent stitches, frequent thread breaks, or frustrating jams? A worn or damaged Race Cover is often the culprit, directly impacting your machine’s ability to form perfect stitches and costing you valuable production time and revenue. This high-quality steel Race Cover, part number JO1306 and Z5A-04, is engineered to restore the precision and reliability your business demands.

Eliminate Stitching Headaches & Downtime

The Race Cover is a critical component of your sewing machine’s bobbin assembly. It works in conjunction with the bobbin case to create the perfect tension and smooth passage for the bobbin thread as the hook rotates. When this part is worn, scratched, or bent, it introduces friction and disrupts thread flow, leading to:

• Erratic Stitch Quality: Uneven stitches, skipped stitches, or loopy tension.
• Frequent Thread Tangles: Annoying bird’s nests or thread bunching in the bobbin area.
• Machine Jams: Costly interruptions that halt production and require troubleshooting.
• Excessive Noise: Grinding or unusual sounds from the bobbin area, indicating friction.

Replacing a faulty Race Cover with a new, precision-engineered part ensures the bobbin thread glides smoothly, allowing for consistent tension, flawless stitch formation, and uninterrupted operation. This means more productive hours for your embroidery business and higher quality finished products.

Built for Performance and Durability

Crafted from durable steel, this Race Cover is designed to withstand the rigorous demands of continuous sewing and embroidery. Its robust construction ensures long-lasting performance, providing a reliable foundation for your machine’s bobbin system. The precise manufacturing of this component is crucial for maintaining the delicate timing and tension required for professional-grade results.

Applications & Compatible Machines

This Race Cover with Cap is ideal for general sewing, embroidery, quilting, garment construction, and repair tasks on compatible front-load ZZ sewing machines. It is designed to fit a wide range of popular models, ensuring you can quickly get your machine back to peak performance.

Compatible with:

• Babylock models: BL1108, BL23, BL23A, BL25A
• Janome models: 108, 1780, 2018S, 2039SN, 2041LX, 2041NX, 2041S, 2041SX, 2139S, 2141S, 345, 360, 621, 631, 651, 657A, Indigo 4, Indigo 14, Indigo 18, Indigo 20, JA1304, JA1306, JH1104, JH1114, JH1118S, JS1004, L344, NH1612, NH1616, NH1622, QS2250
• Kenmore models: 148.13100, 148.13101, 148.13110, 148.14220, 385.1168291, 385.15108, 385.15108200, 148.15210, 148.19370, 148.19372, 158.10300, 158.10302, 158.13200, 158.14311, 158.16600, 158.17200, 158.17030, 158.17033, 158.17530, 158.1787180, 158.179228, 158.18033, 158.19310, 158.19311, 158.19400, 158.19410, 158.19411, 158.19461, 158.523, 158.541, 158.6850, 158.901, 158.902, 158.950, 384.13012000, 385.1011180, 385.1154180, 385.1158180, 385.11607090, 385.11608490, 385.1168280, 385.12014590, 385.12049200, 385.12102990, 385.12116690, 385.12216790, 385.12314990, 385.12318990, 385.1233180, 385.1249180, 385.12514590, 385.1254180, 385.1258180, 385.12618890, 385.1264180, 385.12714090, 385.1274180, 385.1278191, 385.12812690, 385.12814490, 385.12912890, 385.12916890, 385.15008100, 385.15202400, 385.15208400, 385.15212400, 385.15218400, 385.15343600, 385.15358, 385.15358600, 385.15408500, 385.15510200, 385.17622090, 5510200
• Singer models: 132Q, 140Q

Please Note: While this part is designed for the listed models, we always recommend confirming compatibility with your specific machine. If you’re not sure, contact us with your machine model and we will gladly help you confirm the correct fit.

Product Specifications:

• Part Numbers: JO1306, Z5A-04
• Alternate Part Numbers: 170554, 553168006, 214320, 33682B, 8531, 28957, 56481, 33682
• Material: High-quality Steel
• Type: Sewing Machine Part (Race Cover with Cap)
• Use: Designed for Embroidery and General Sewing Machines

Confidence in Every Purchase from 360 Digitizing Shop

We understand that reliable parts are crucial for your business. That’s why every Race Cover is meticulously function-tested before shipping, ensuring that defective units are never sent out. In the rare event a defective item arrives, rest assured that you are covered by our buyer protection policy, guaranteeing a full refund within 4 days. Invest in quality and keep your machines running perfectly with 360 Digitizing Shop.

Frequently Asked Questions

What is the function of a Race Cover in a sewing machine?
The Race Cover is a vital component of the bobbin assembly. It guides the bobbin thread smoothly around the hook, working with the bobbin case to ensure proper thread tension and consistent stitch formation. A functioning Race Cover prevents thread tangles and skipped stitches.

How do I know if this Race Cover JO1306 / Z5A-04 is compatible with my machine?
This Race Cover is designed for specific Babylock, Janome, Kenmore, and Singer ZZ sewing machine models, including those listed in the description. Please check the part numbers (JO1306, Z5A-04, or alternates) and the full compatibility list against your machine’s model. If you are unsure, contact us with your machine’s model number for assistance.

What is included with this purchase?
This purchase includes one (1) Race Cover with its corresponding Cap, as a complete set for Japan ZZ Front Load Sewing Machines.

What are the benefits of replacing a worn Race Cover?
Replacing a worn Race Cover eliminates common stitching problems like erratic tension, frequent thread breaks, and machine jams. It restores smooth bobbin operation, improves stitch quality, reduces downtime, and extends the overall life of your sewing machine.

How does 360 Digitizing Shop ensure product quality and what is the return policy?
Every Race Cover is function-tested before shipping to ensure it is free from defects. In the unlikely event a defective item arrives, you are protected by our buyer protection policy, which guarantees a full refund within 4 days of receiving the item.

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