JACK 30104012 Looper Holder for Coverstitch
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JACK 30104012 Looper Holder for Coverstitch

$22.50
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The Looper Holder for Coverstitch (Part #30104012) is a genuine JACK original replacement part designed for JACK W4D and JK-K5 coverstitch series coverstitch machines. Manufactured to OEM specifications for precise fit and reliable performance. Equivalent Part Numbers JACK: 30104012 Compatible Machines This part fits the following industrial sewing machine models: JACK: W4D, JK-K5 coverstitch Technical Specifications Brand JACK Part Number 30104012 Part Type Loopers Condition New – OEM Original Looking for a replacement looper holder for your JACK W4D or JK-K5 coverstitch coverstitch machine? This genuine OEM part ensures reliable performance and precise fit. Shop with confidence — all parts ship from Miami, FL. ⚠️ Compatibility Notice: Always verify your machine model and subclass number before ordering. Part numbers and compatibility are provided as a reference on

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