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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, 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  
    $22.98
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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). Older pumps (1970's) disregard the 2 additional newer style mounting holes (not used)...
    $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   CHEVROLET THERMOSTAT HOUSING 531402 1 PIECE NLA.-USE 531067S THERMOSTAT HOUSINGUSE 1/2"...
    $220.99
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  • THERMOSTAT W/G 160 DEGREE PCM FORD & GM

    THERMOSTAT W/G 160 DEGREE PCM FORD & GM

    PCM 160 Degree Thermostat Kit Ford and GM Engines RP026002 RAW WATER COOLED WITH GASKETS For Ford and GM EFI or Carb engines. The 160-degree Thermostat is recommended for fuel injected engines. THERMOSTATS can fail and should be tested or replaced if...
    $46.53
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  • Sherwood Raw Water Pump Crank Driven RA057026 Sherwood Raw Water Pump Crank Driven RA057026

    Sherwood Raw Water Pump Crank Driven RA057026

    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...
    $527.83
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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...
    $925.75
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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...
    $70.75
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