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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.

  • 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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  • 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...
    $440.02
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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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  • KNOCK SENSOR GM KNOCK SENSOR GM

    KNOCK SENSOR GM

    Knock Sensor 5.0/5.7 GM OEM R020027: Fits:GM 5.0/5.7L TBI, MPI 1994 up thru 2005 Indmar and 2007 PCM (Also used after 2005 on some PCM 5.7 engines). Does NOT Fit: 454, 2006 up Indmar post mount sensor, 2008 up PCM with post mount knock...
    $53.88
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  • SENSOR, WATER TEMP-MPI GT40

    SENSOR, WATER TEMP-MPI GT40

    PCM GT40 all years, sends temp to the ECM for enrichment mode. #69 in the PCM parts book. An engine temperature sensor is an important part of your engine that is not often heard of but it plays a very important role in the engine’s overall...
    $101.38
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  • Water Circulation Pump 6.0L Indmar & PCM Water Circulation Pump 6.0L Indmar & PCM

    Water Circulation Pump 6.0L Indmar & PCM

    Includes the pump, gasket, and clamp. Indmar and PCM 6.0L. Water Circulation Pump Assembly RK057036 is for 6.0L engines ser# 470419 and above. Roughly 2008 to current production. NOTE PCM engines 2003-2006 take RK057033B due to some additional...
    $520.44
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  • Water Temperature Switch to '95 Water Temperature Switch to '95

    Water Temperature Switch to '95

    PCM EEMS Pro Tec Ignition 1989-1995, 3/8" NPT (Actual Diameteter aprox 5/8") * 210 Degree (Limp Home). MARINE PCM PRO TEC WATER TEMP SWITCH. ALSO USED IN SOME INDMAR LT1 CYLINDER HEADS (FOR ALARM). Bin Number (ISBN): 80707  
    $52.65
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