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Engine

One of the key ways to keep your inboard ski boat in peak condition is to properly maintain the engine. This starts with having the right inboard marine engine parts at your disposal. At Discount Inboard Marine, we carry a wide selection of inboard marine engine parts, including beltsgasketscooling system components, and much more. Discover everything you need and more to keep your ski boat's engine purring like the day you bought it.

  • JOHNSON RAW WATER PUMP CRANK MOUNTED JOHNSON RAW WATER PUMP CRANK MOUNTED

    JOHNSON RAW WATER PUMP CRANK MOUNTED

    Indmar Ford 351 and GM 350 (Not for LT1 or LTR use Item #11205). This is the latest revised version of the Johnson pump and uses the same 812 impeller. Fits Indmar Monsoon, LCR, RTP, Carb 310, Assualt, Predator, TBI, MCX, 6.0L, and Ford Raptor. Includes...
    $245.10
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  • REPAIR KIT, RAW WATER PUMP

    REPAIR KIT, RAW WATER PUMP

    * REPAIR KIT FOR MERCRUISER ORIGINAL STYLE PLASTIC BODY PUMPS(Click photo for more details). Replace your melted or cracked, plastic pump housing the inexpensive way! Redesigned housing. One piece unit versus two with nipples for in and out. Uses o'ring...
    $123.05
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  • INDMAR RAW WATER PUMP LT1/LTR INDMAR RAW WATER PUMP LT1/LTR

    INDMAR RAW WATER PUMP LT1/LTR

    Different Mounting Flange Than #0603 Regular Johnson pump. Most current part number is 685020-4 replaces -1, -2, -3. *Mastercraft LT1 Corvette/LTR Northstar Engines*Indmar Part #68-5020, S685020*This pump has the proper extra holes drilled for the...
    $325.00
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  • G21 SHERWOOD RAW WATER PUMP PCM FORD 351 & 302 G21 SHERWOOD RAW WATER PUMP PCM FORD 351 & 302

    G21 SHERWOOD RAW WATER PUMP PCM FORD 351 & 302

    PCM FORD 302/351, OEM SHERWOOD G-21 PUMP. ALL PCM FORDS MID 70'S AND UP.Sherwood has changed the wear plate and it now sticks out in one spot about 1", no problem on left hand engines but a right hand may have to grind it off. *Tech Tip* This pump can be...
    $799.00
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  • SHERWOOD GM RAW WATER PUMP MAJOR REPAIR KIT

    SHERWOOD GM RAW WATER PUMP MAJOR REPAIR KIT

    This Major repair kit contains everything you need to rebuild your GM (chevy) engines Sherwood seawater - raw water pump. This Sherwood pumps major repair kit for raw water pumps is perfect if you dont want to buy a whole...
    $321.39
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  • T-STAT KIT, 160 MERC EFI

    T-STAT KIT, 160 MERC EFI

    New Style housing used with EFI engines 1994 and up.This housing does not have the removable top cap and is 1 piece cast iron.Mercruiser T-stat # 867252T2. Bin Number (ISBN): 12707  
    $45.45
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  • CIRC PUMP 454

    CIRC PUMP 454

    INCLUDES GASKETS This pump is centrally located on the front of the engine. Its most common problems are bearing or seal failure indicated by noise, pulley wobble, or leaking at the bottom of the pump. Fits most Pleasurecraft and Indmar applications...
    $189.00
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  • T-STAT KIT, 142 MERC CARB

    T-STAT KIT, 142 MERC CARB

    1981 Up Standard Cooling with cast iron housing (Not for EFI engines)5.7L GM IB, Beg #B522506 End #B525981.5.7 GM Ski, Beg #A338553 End #B514626.Mercruiser T-stat # 59137   Make sure to use the Mercruiser style thermostat and not an automotive...
    $45.05
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  • CIRC PUMP SB GM 350, 305, 5.7 CIRC PUMP SB GM 350, 305, 5.7

    CIRC PUMP SB GM 350, 305, 5.7

    Includes gaskets (Not for LT1 Engines) Bi rotational LH or RH GM engines Fit PCM or Indmar, Indmar PT # 55-1045. Bi-Rotational Circulating Pump This pump is centrally located on the front of the engine. Its most common problems are bearing or...
    $137.88
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  • ENGINE CIRCULATING PUMP - FORD ENGINE CIRCULATING PUMP - FORD

    ENGINE CIRCULATING PUMP - FORD

    Includes internal/external gaskets and backing plate, bi-rotational water pump fits 302 AND 351 Ford PCM AND Indmar engines (left OR right hand). This pump has 2 mounting holes that are normally not used, the block off plate eliminates any leaks...
    $148.88
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  • THERMOSTAT HSG KIT, NMR GM THERMOSTAT HSG KIT, NMR GM

    THERMOSTAT HSG KIT, NMR GM

    New style GM housing (3 bolt). 1998 and up MPI (exception being some TBI used old triangular style housing thru 2002). Bin Number (ISBN): 30712              Base gasket sold separately (click...
    $220.99
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  • THERMOSTAT W/G 160 DEGREE PCM FORD & GM

    THERMOSTAT W/G 160 DEGREE PCM FORD & GM

    Thermostat Kit 160 Degree PCM Ford and GM (after 1998 for GM) Includes both Catalyst and Non Cat 5.7 gaskets RAW WATER COOLED WITH GASKETS For Ford and GM EFI engines. The 160-degree Thermostat is recommended for Ford fuel injected engines. THERMOSTATS...
    $46.53
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