Hardin Gen 7 Plus Seawater / Impeller Pumps

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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    Removed my Starboard pump today and will be sending it to Hardin to be rebuilt. It had a steady drip when running.


    2008 330EC
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    I also replaced the impeller on my port pump. The inner and outer plates were scored pretty good but the impeller was still in good shape. This was with three seasons of use.



    2008 330EC
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    I normally put them back together using Permitex Aviation Gasket sealer. It always made a mess and was a pain when I had to remove the gasket. This time I used DC-111 (Silicone Grease). Should make it much easier to take apart next time.
    2008 330EC
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  • TonyG13TonyG13 Member Posts: 1,438 ✭✭✭✭
    edited November 2025
    @aero3113 - Curious: Three season equates to how many engine hours?
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    @TonyG13 , I never really kept track of hours per season. Maybe 120 hrs for the three.
    2008 330EC
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    edited November 2025
    I sent my leaking starboard pump into Hardin for a rebuild. They said it’s $35/hr. Plus parts. I figured to have them do it, this way it will be covered under warranty if it leaks early. 
    2008 330EC
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    Will have my pump back on Wednesday, $154.35 for the rebuild. This includes a new impeller/parts and shipping as well.
    2008 330EC
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  • LaReaLaRea Member, Moderator Posts: 8,060 mod
    Dang, I should have charged that much for all those rebuilds I did back in the day!   :D
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    LoL, @LaRea !
    Its actually not a bad deal if you think about how much the rebuild and impeller kits cost.
    2008 330EC
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  • captkevincaptkevin Member Posts: 543 ✭✭✭
    UPS charges are outrageous as well. We get all kinds of complaints at work of people claiming we are ripping them off. All they get charged is what we get charged - no mark up. 
    2004 232
    2021 Yamaha Fx svho
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    Agree @captkevin they changed $24.36 for UPS shipping. I shipped it to them via USPS and it was $24.55. 
    2008 330EC
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  • rasburyrasbury Member Posts: 8,925 ✭✭✭✭✭
    The hard part is removing the pump why are you paying somebody to rebuild it?
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    @rasbury it wasn’t just replacing the impeller.
    I don’t have a press to remove and install the bearings. This pump was leaking. 
    2008 330EC
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  • IanIan Member Posts: 3,059 ✭✭✭✭✭
    aero3113 said:
    Agree @captkevin they changed $24.36 for UPS shipping. I shipped it to them via USPS and it was $24.55. 
    With UPS you get tracking. With USPS you get the chance for them to lose it.

    Regards,

    Ian

    The Third “B”

    Ravena Coeymans Yacht Club

    https://www.rcyachtclub.com/

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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    LoL, you do get tracking with USPS but I feel most of the time the tracking number doesn’t work!’ 
    2008 330EC
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  • Dream_InnDream_Inn Member, Moderator Posts: 7,919 mod
    My son said today that he was looking forward to using Lareas press that we bought from him.  I’m looking forward to it too!😀

    Dream 'Inn III -- 2008 400 Express

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  • FormulabenFormulaben Confirm Email, Member Posts: 215 ✭✭✭
    aero3113 said:
    I don’t have a press to remove and install the bearings. 
    I bought this on a whim, but I can't tell you how many times it's been used and borrowed. For sure, there is better quality but for the price it's hard to beat. I added some polyurethane wheels to easily move it around and it's quite a popular tool to lend out. 

    https://www.harborfreight.com/12-ton-h-frame-floor-shop-press-70604.html

    I also highly recommend this to complement it:
    https://www.amazon.com/dp/B08954GW18/
    2006 Fiesta Vee 270
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  • LaReaLaRea Member, Moderator Posts: 8,060 mod
    That's similar to the press I had.  I agree -- once you have it, you'll find plenty of jobs that need it.
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  • Dream_InnDream_Inn Member, Moderator Posts: 7,919 mod
    LaRea said:
    That's similar to the press I had.  I agree -- once you have it, you'll find plenty of jobs that need it.
    I'm about ready to break out the press.  I still need to order the kit to repair it.  Do you happen to remember the part number of the kit from Hardin?

    Dream 'Inn III -- 2008 400 Express

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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    @Dream_Inn not sure if these numbers help, they are for the Gen 7 plus.


    2008 330EC
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    Received the rebuilt pump today.


    2008 330EC
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  • rasburyrasbury Member Posts: 8,925 ✭✭✭✭✭
    That looks to  pretty to put on! I am so due...

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  • captkevincaptkevin Member Posts: 543 ✭✭✭
    agree - should be on display
    2004 232
    2021 Yamaha Fx svho
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  • IanIan Member Posts: 3,059 ✭✭✭✭✭
    edited November 2025
    Apart from impellers I had the first OEM rebuild last year on port engine due to leaking shaft. Mine is a 2003 model…

    Is the “prettiness” worth the cost?

    Regards,

    Ian

    The Third “B”

    Ravena Coeymans Yacht Club

    https://www.rcyachtclub.com/

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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    When I bought my 330 both of the OEM pumps were leaking. I went with the Hardin pumps because of the removable wear plates. I’m happy with them, this was the 5th season using this pump before it started leaking. I’m not regretting them but yes, they should last longer before the seals wear.
    2008 330EC
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  • YYZRCYYZRC Member Posts: 5,403 ✭✭✭✭✭
    edited November 2025
    Seems like the Hardin solved a problem that very few people had (wear on the inside end of the pump) but created a bigger problem in that the seals and/or bearings fail much sooner than the OEM pump seals/bearings.

    But yes, to your point @Ian , they sure are pretty!
    2006 390 EC
    2008 350 EC
    Georgian Bay
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  • aero3113aero3113 Member Posts: 9,761 ✭✭✭✭✭
    I’m hoping that they’re replacing the seals with better quality now. My port pump has been leak free since it was rebuilt a few years ago.
    2008 330EC
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