Mercury Mercruiser Marine - DIAPHRAM KIT (#21-857005A1)
PRICE:
$27.49
Part #: 21-857005A1
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![DIAPHRAM KIT DIAPHRAM KIT](https://www.perfprotech.com/blog/wp-content/uploads/2024/06/C20FC18A-C44A-4C9B-ABA6-7CEDEB3A4E9D.jpeg)
21-857005A 1 - Fuel Pump Diaphragm Repair Kit
42990A10 was superseded to 857005A1
Includes instructions inside packaging.