Crowley Marine: serving boaters for over 50 years Crowley Marine: serving boaters for over 50 years
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(M6 X 30) Screw 10-4000331

Satisfaction rating 5 out of 5 (5 Ratings)
ONLY 1 REMAINING Ships Immediately

Last update: 211 days ago Update Now

  • This is an OEM part manufactured by Mercury Marine
  • Flat rate shipping starting at $3.95
  • 30 day return policy

Product Description

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

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5 Product Reviews

Merc 15 hp

Repair Difficulty
Repair Time
2 to 4 hours
They had everything to repair my water pump in a very old Merc . The prices were excellent compared to other sites. Crowley will be my go to from now on.

Problem fixed: Water pump not working

This was a 1992 Merc 15 hp that has only been in salt water. The engine overheated on my last trip fishing. It was difficult to remove screw that had been in for years. Used impact to get apart. Easier going together than opening it up. Crowley had everything I needed down to the screws.

25 hp mercury, 2000

I was trying to get parts for an old 25hp Merc. I stumbled across Crowley's web site. they had the parts I needed. After I ordered them I received e-mails with shipping updates, I didn't expect that at all. They arrived a week or so later and every part fit perfect. I re assembled the motor and it ran great. I will be using them again. Tnx everyone at Crowley

All was good

Merc 25hp

Easy to order online. Wrong part was shipped initially , called and replacement was shipped same day with return label for the wrong part..excellent service after the sale!

I'm telling you, the prices can't be beat and the shipping is extraordinarily fast. Part not in stock? No problem, Crowley gets it from the factory and to you fast! I don't need to shop around, Crowley has got my business. Thanks Crowley Marine!

Customers Also purchased

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

Flat $3.95 Shipping on ALL parts orders

We offer shipping flat $3.95 shipping on ALL parts orders. (Complete Engines, Lower Units and Sterndrives excluded). In addition orders over $89 have reduced cost express shipping available in checkout.

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