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Crowley Marine: serving boaters for over 50 years
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Mercury/Mariner Lower Units

Mercury & Mariner Lower Units

We stock remanufactured and new gearcases for Mercury and Mariner 60 to 275 horsepower, 1979 to 2011. All of our Mercury lower units include a full one year warranty. Aside from our inventory listed here we also supply Mercury lower units directly from Mercury Marine, either new or remanufactured.

Latest Repair Stories and Reviews

Yamaha 1984 3 cylinder 2 stroke 70 HP

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
I asked for an expedite on part of my order and Mr. Crowley did it!
by Brian
Problem fixed: Leaking oil cap.
So far I have only replaced the cap amd small flat seal. I ordered another seal below this to ensure no leaks when the motor tilted.

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
Excellent
by Liam

Evinrude 85hp

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
Always have parts I needed and quick shipping at reasonable rates. very pleased with the service ive had
by Ben
Problem fixed: Lost spark on two cylinders
engine was idleing very rough and regularly cutting out. to test i pulled two spark plug wires on one bank and it ran the same. pulled the other two a …
nd it didnt run at all. suspected a power pack and got replaced next day air for only $30 shipping! got it running in two days and 30 mins of wrenching. back to fishing! turns out i had other issues as well and motor died again just as i was finishing tournament but crowley has parts for the bad stator as well!

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
I did not receive all my parts and didn't get a refund for them either.
by James

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
Delivery delayed because of back order for one item. I did inquire when the parts will be shipped but not told that back ordered items arrival will be June. I requested partial delivery for extra overnight shipping was charged but parts not shipped out as promised. Again follow up and finally available parts where shipped. Still no detail on the back order. Order was placed April 23rd. Please cancel back ordered part. thank you.
by Marcel

Suzuki DT225

Repair Difficulty:
Easy
Repair Time:
2 to 4 hours
very slow to ship,,,,, I would look for someone to give me faster delivery next time
months ago by Travis
Problem fixed: 19 yr old and never had an impeller change
needed pump impeller,prop shaft seals, and a couple of other seals, nothing special,

mercruiser 3.0

Repair Difficulty:
Medium
Repair Time:
1 to 2 hours
Great service, friendly and knowledgeable assistance to ensure the right parts were provided for my needs. Thanks for your help.
months ago by Larry
Problem fixed: water in cylinder #3
Failed to properly winterize my engine and cracked the intake/exhaust manifold. All replacement parts received were exact fit OEM. Luckily the block w …
as properly drained and had no damage. Boat runs/cranks better than it did last season, so must have had some gasket leakage issues prior to my failure to winterize correctly.

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
Price is fair, service is fine, but reported stock is not accurate making for slow delivery
by Todd