Mercruiser 7.4 Oil Lines

emahaffey

New Member
Jun 29, 2009
11
Southern Marlyand
Boat Info
1994 Sundancer 270
Engines
7.4L 454 Mercruiser w/Bravo III Drive
The oil lines on my Mercruiser 7.4 Gen V are leaking at the point where the hose is connected to the fitting. It's just a slight drip, but it's enough to make a mess. I'm looking to replace them, but have found out that they are no longer available. I'm assuming this is because people have started to make them on their own? Or have them made? Anyone have any suggestions on where to find them, or how to have them made?
 
There are hydraulic hose fabrication shops in every major metropolitan area. They fabricate all kinds of hose for heavy equipment and trucks. Ask at any NAPA parts store and they will steer you in the right direction.
 
Search Hydraulic hoses in your area..
Easily custom made to order and not expensive.
Luckily I have a local shop in my town that made one for me on-the-spot :)
 
If you have the hoses made locally by a hydraulic shop, make sure to get the brass fittings. Since most hydraulic shops are making hoses for trucks and heavy equipment they don't all carry brass fittings. You might have to special order the fittings, but they can definitely make the hoses.
 
I just went through the same issue. The hose I needed showed discontinued everywhere I looked, I did finally find one on closeout, priced well north of $100. I went to the local hydraulic hose warehouse, they built just what i needed, $16.
 
If all else fails you can look for a shop that specializes in auto air conditioning. They make them all the time.
 

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