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Stern Drive Parts
Propeller SALE!!
Propeller SALE!!: Interchangeable Hub Props
Props For Evinrude Johnson
Outboard Parts
New Boat Parts & Accessories
This sale is for a new Mercury 500 4 Cyl. Power Head Assembly.
This Mercury powerhead is new in the original Quicksilver box. Maybe shipped innew box.
Mercury Power Head part number is 56150A78, A-56150A78
Casting numbers
76540 (exhaust cover plate)
863-6466 (cylinder block)
960-6489 ( Cylinder block carburetor side)
1017-6636 (cover cylinder head)
1160-5825 (Flywheel side crank seal)
1158-6634 (Drive shaft end Seal)
This Mercury powerhead is new in the original Quicksilver box. Maybe shipped in
Mercury Power Head part number is 56150A78, A-56150A78
Casting numbers
76540 (exhaust cover plate)
863-6466 (cylinder block)
960-6489 ( Cylinder block carburetor side)
1017-6636 (cover cylinder head)
1160-5825 (Flywheel side crank seal)
1158-6634 (Drive shaft end Seal)
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Jeremy- Brand: Mercury
- Color: Black
- Condition: New Other
- SKU: 56150A78
- MPN: 56150A78
- warehouse: Powerhead pallets 510's
- Horse Power: 50
- Casting Number: 863-6466, 960-6489
