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Crowley Marine: serving boaters for over 50 years
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Oil Pump Assembly- 818902A1

Satisfaction rating 5 out of 5 (3 Ratings)
Save $11.17 (5%)
CROSS SHIP Leaves in 3-5 days
This product will be cross shipped from one of our secondary warehouses. Please note the additional handling time.
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  • This is an OEM part manufactured by Mercury Marine
  • Flat rate shipping starting at $4.95
  • 30 day return policy

Product Description

Mercury factory part. Search for more factory parts & parts diagrams.

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3 Product Reviews



Mercury 50hp

Repair Difficulty
Repair Time
1 to 2 hours

Problem fixed: oil pump leaking oil

Remove all oil from tank . Remove old oil pump buy removing screws(top&bottom) bottom screw is harder.Remove throttle connecting rod from old pump. Remove oil lines. Installed new pump by aligning drive on pump with shaft. install screws and oil lines. Refill oil tank. Check work for leaks, etc.

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Parts included in this kit

Please note: Some of the included items may not be available for purchase separately and won't be listed here.

Name SKU Price Brand
O Ring 36390 Mercury Marine
O-Ring (.739" I.D.) 62705 Mercury Marine
Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.