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Satisfaction rating 5 out of 5 (9 Ratings)
You save $2.02. (5%) $40.33
Leaves in 3-5 days
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Product Description

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

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9 Product Reviews

90hp force


Force 120 LDrive

Repair Difficulty
Repair Time
1 to 2 hours
All good

Problem fixed: Not pimping water

Change inpeler

Easy to use site and quick shipping!!

Force 90

Repair Difficulty
Repair Time
2 to 4 hours
Because of the pandemic there was some parts that were backordered, took longer than normal to receive them. Everything came as ordered. I called them and they were friendly and courteous. I will be ordering parts from them in the future. WM

Problem fixed: Low water flow out of tattletale

I took the lower unit off thinking I was going to put a new impeller in the water pump and the drive shaft was loose it had damaged the water pump housing. I dug deeper into the lower unit discovered the bearings on the drive shaft were bad, the drive shaft was damaged where it had been rubbing on the water pump housing, I didn't replace the drive shaft I believe it will be ok but maybe replacing. The lower unit is pretty basic if you are a mechanic two special tools required, spanner wrench for the two retainer nuts and a bearing puller. Retainer nuts: one is on the drive shaft the other is on the output shaft behind the impeller. Bearings: Drive shaft lower bearing need to be pulled into place I froze mine first and made a puller out of all thread and a couple of washers the other bearing on the drive shaft I heated in a oven and it slid right in to place. The yoke gear shift can be a little bugger to put in. One will probably break the retainer nuts getting them out as they can be froze in place I had to drill the drive shaft retainer out and take it out in pieces. If you are not a mechanic I would take the lower unit in and have a boat mechanic repair it.

Force 90hp


Mercury Force 120hp 1991 model

Repair Difficulty
Repair Time
Less than 30 mins
Very good service . Crowley marine had order the part from the manufacturer and I still received the items from America to Australia with in 10 days of placing the order. I highly recommended this company and will be using them in the future.

Problem fixed: Water pump housing was broken

I removed the gearbox select the pin then unbolted the lower leg remove the leg then remove drive shaft from the leg unbolted water pump housing and placed new water pump housing on


Repair Difficulty
Repair Time
30 to 60 mins
Parts shopping made so easy, fast shipping, good prices Cant go wrong

Problem fixed: Water pump, thermostat replaced

Hardest part removing old rusted bolts

Great thx


Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

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Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.