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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.

  • REPAIR KIT, RAW WATER PUMP

    REPAIR KIT, RAW WATER PUMP

    * REPAIR KIT FOR MERCRUISER ORIGINAL STYLE PLASTIC BODY PUMPS 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, no gaskets needed now...
    $114.65
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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...
    $1,030.14
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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...
    $172.18
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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...
    $150.27
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  • Sherwood Raw Water Pump Crank Driven Sherwood Raw Water Pump Crank Driven

    Sherwood Raw Water Pump Crank Driven

    PCM/SEAMAXX (P-105) Late 90's Up To 2004 not for 8.1L (will work for 8.2L). This premium high-performance pump replaces the standard GM, Indmar, and Johnson Pump providing double bearings and double lip seals for years of trouble-free service and optimal...
    $507.57
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  • RAW WATER PUMP/BELT DRIVEN 02/03 RAW WATER PUMP/BELT DRIVEN 02/03

    RAW WATER PUMP/BELT DRIVEN 02/03

    PCM 5.0L & 5.7L FROM 2002-2003 THAT HAVE A BELT DRIVEN PUMP. NOT FOR 6.0L OR ENGINES WITH THE CRANK DRIVEN PUMP. USES ITEM #0713 IMPELLER. ALSO USES SEAL AND SEAT ITEM #32911. OEM SHERWOOD WAS P1012, THEN P1014 AND NOW P1015.   Bin Number...
    $1,110.90
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