Yamaha YJA-01143-78-01 - Coupling Packing (100A) is a genuine Yamaha part. It replaces a hardened, cracked, or leaking seal with the specified Yamaha part. Match part number YJA-01143-78-01 to the Yamaha parts diagram for your model to confirm it is the component you need.

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Key Features & Benefits

• Helps keep dirt, water, and contaminants out.
• Replaces a hardened, cracked, or leaking seal.
• Seals the joint or shaft it is installed on against leaks.
• Listed by Yamaha with the designation 100A.
• Sold under Yamaha part number YJA-01143-78-01.

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Frequently Asked Questions

Is YJA-01143-78-01 a genuine Yamaha part?

Yes. YJA-01143-78-01 is the Yamaha part number for the Coupling Packing (100A). It is a sealing component that prevents fluid, air, or contaminant leaks at a joint or shaft.

What does 100A mean in the Coupling Packing (100A), part YJA-01143-78-01, listing?

100A is a designation Yamaha includes in the catalog name for part YJA-01143-78-01. Match it against the parts diagram for your model or unit before ordering.

Can I reuse the old Coupling Packing (100A), part YJA-01143-78-01?

Sealing parts like the Coupling Packing (100A) take a set once installed, so reusing one risks a leak. Installing a new YJA-01143-78-01 restores a proper seal.

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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.