MerCruiser Alpha one V6 V8 305 350 3-groove water Pump Pulley 15120T 90840


Item Details
    • MerCruiser 3-Groove Pulley 90840 / 90840A1 / 15120T / 15120
    • Generally used 1982-1996 (mostly just the early stuff but referenced in the newer parts manuals) on V6 4.3L 185hp, 205hp / GM 5.0L 305 V8 / 5.7L 350 
    • *******5-1/2" Diameter (MEASURE YOUR PULLEY or find the stamped part number)
      • People tend to order this by mistake to replace the 7" pulley (please don't be one of those people)
    • 2-3/4" Tall
    • Cleaned & Repainted
    Notable Part Number(s)
    • 90840 / 90840A1 / 15120T / 15120
    Condition Notes
    • Freshwater Used Parts
    • Overall Good Condition
    Purchase with confidence!
    • If you are unsure if this will work for you, please check with your motor's parts list or manual or just send me a message and I can quickly look this up for you or at least point you in the right direction. 
    • Please Inspect Pictures closely to ensure satisfaction as these will give you the best idea of condition not noted otherwise.
    • Please Contact Me if you have additional questions.

    Possibly Relevant Chevy GM V6 V8 4.3 4.3LX 5.0L 5.7L 7.4L 175hp 185hp 198 200 205hp 228 230 255 260 262cid 300 320 330 350 370 305 4.3 4.3LX 400 440 454 460hp 496 5.0L 5.7L 898 454 7.4L 8.1L 8.2L 502 Mag HO

    1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Bravo I II II 2bbl 4bbl

    International Buyers - Please Note:
    Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.
    Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.

    This additional cost is different for every country and usually calculated with the item cost PLUS the shipping cost. The duty fees or taxes assessed are usually a percentage of that total amount (cost + shipping). It's impossible for us to pre-pay these expenses so please keep that in mind before making a purchase.

    Compatibility Statement / Disclaimer

    • Please check with us or your parts manual if you are unsure if this is correct for you. The part numbers given here are all correct, but it is ultimately up to you to do a little bit of research and make sure this is what you need.
    • The compatibility statements or suggestions in this listing is my best guess based on the quick research we did for this item.

    Return Policy (The Fine Print):

    We try to describe all of our items honestly and accurately to the best of our ability. If you are dissatisfied with your recent purchase, please contact us as soon as possible. Returns must be made within 30 days, buyer is responsible for return shipping in most cases. We stand behind the products we sell and if something doesn't seem right with your purchase or you are having unexpected difficulties, please contact us as soon as possible and give us the opportunity to correct the issue. In the event that an item has unexpected functional issues within the return period, We will either let you keep the item and offer a full refund or ask that you ship the item back to us and offer a full refund and cover the return shipping as well.


    These are used parts. Used parts may have cosmetic issues (scratches, missing paint, faded plastic, pitting, rust, minor dents & dings, etc.) The condition of this item is as described in the description and visible in the picture. You will receive the items you see in the picture (unless noted otherwise) It is being sold "as is" with no warranty.

    inkFrog