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WakeWorld Discussion Board » >> Boats, Accessories & Tow Vehicles Archive » Archive through January 14, 2005 » Mercruiser pump housing « Previous Next »
By Darren Yearsley (ralph) on Tuesday, November 30, 2004 - 4:28 pm:    Edit Post Delete Post
How often are you guys changing the impellor pump housing on the 03 & later 350 mag & black scorp. It seems mine are only lasting 100 hrs the brass body itself becomes badly scored on both the housing and flange, my mechanic is very fussy & recommends that they be changed out, so not only do I replace the impellor but also the $400 housing every 100 hrs. This seems like a crock to me. Is anybody else experiencing this?
By Darren Yearsley (ralph) on Tuesday, December 07, 2004 - 7:09 pm:    Edit Post Delete Post
No one had this issue?
By Rick H (blastmaster) on Wednesday, December 08, 2004 - 11:04 am:    Edit Post Delete Post
Sounds crazy to me. First you can buy entire loaded pump from West Marine or Discount Inboard for less than 400 but that doesnt include labor.
I know the plastic bodies warp and need replacing but the brass should last forever unless they get scored by crud like sand. call rich @ Skidim. He'll be very knowledegeable then post it back here.


By Mike (mikeski) on Wednesday, December 08, 2004 - 9:31 pm:    Edit Post Delete Post
I have ran them over 1000 hours even when we were running in a very dirty salt water lake. I might suggest a perko water filter to help keep the particulates down. I have never replaced a brass pump housing in over 30 years of boating, can't think of any friends that have either.

On a side note we found one of the motors running in this water to be half full of mud when we rebuilt it. It might not be a bad idea to pull your freeze plugs at 500 hours to see what the inside of block looks like.


(Message edited by mikeski on December 08, 2004)

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