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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.

  • V-BELT, W/TEETH 302/305/350

    V-BELT, W/TEETH 302/305/350

    Napa V-Belt PCM Indmar GM 305 & 350 Ford 302 25-7420 Fits: Indmar GM TBI (94-97) 305 & 350 and Ford 302  V-Belt, with teeth. This is a NAPA (Gates) Replacement Belt. Usually will not fit Monsoon engines or will be very tight...
    $34.57
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  • 300/400 SERIES HEATER CORE

    300/400 SERIES HEATER CORE

    H301 (3 Vent systems)   300/400 Series Replacement Tube and Fin Heater Core, 5/8" Hose Barb (2004 or newer)   Replacement Core: For 300 and 400 series heaters If the heater is older 2004 you will need to replace the...
    $198.33
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  • CIRCUIT BREAKER 12.5 AMP

    CIRCUIT BREAKER 12.5 AMP

    Circuit Breaker 12.5 AMP What is a Circuit breaker? It's an electro-mechanical device specifically designed to protect electrical circuits from a circuit overload. It interrupts the current flow when a fault is detected. The surge of...
    $85.38
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  • PCM EXHAUST MANIFOLD 305,330, 350 GM R028009 PCM EXHAUST MANIFOLD 305,330, 350 GM R028009

    PCM EXHAUST MANIFOLD 305,330, 350 GM R028009

    PCM Exhaust Manifold 305 350 GM R028009: Fits: PCM OEM 305 and 350 (either side) also PCM 330 Excaliber engines Decal & Gaskets Not Included Innovated first by Pleasurecraft Marine, the center pyramidal Exhaust Manifold is now an industry...
    $354.00
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  • SEAL REAR MAIN 351 RH (1PC) SEAL REAR MAIN 351 RH (1PC)

    SEAL REAR MAIN 351 RH (1PC)

    RIGHT HAND ROTATION1983 and up right hand rotaion Ford 351 rear main seal. Correct Craft thru 88 and a few thru 93 with the 1:1 transmission (rare). PCM Engine model number will start with PRD or PRP. Bin Number (ISBN): 1141  
    $69.90
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  • CIRCUIT BREAKER 15 AMP CIRCUIT BREAKER 15 AMP

    CIRCUIT BREAKER 15 AMP

    USED ON PCM GT40 ENGINES ALONG WITH A 60 AMP AND A 15 AMP.   What is a Circuit breaker? It's an electro-mechanical device specifically designed to protect electrical circuits from a circuit overload. It interrupts the current...
    $57.60
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  • ALTERNATOR, NMR LT1/LTR REPLACEMENT ALTERNATOR, NMR LT1/LTR REPLACEMENT

    ALTERNATOR, NMR LT1/LTR REPLACEMENT

    Replaces Indmar LT1 "Corvette" and LTR "Northstar" 1994-2001 (55 AMP) alternators PT#75-5024 (S755024). Purple wire is for keyed 12 volt source (excite wire, ignition circuit). Red wire goes to constant hot. NOT for Ford 351.   Bin Number...
    $218.70
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  • 3.5” PCM EXHAUST RISER R029011 3.5” PCM EXHAUST RISER R029011

    3.5” PCM EXHAUST RISER R029011

    Fits: PCM OEM 3.5 High Output (HO) 1992 UP Ford and GM 5.7 305 and 350 engines. A few boats kept using the 3" risers after 1992 for 3" Risers Click Here.   PCM Exhaust Riser 3.5 HO Ford/GM R029011: OEM Pleasurecraft Risers. Approx weight 20 lbs...
    $280.00
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  • FUEL FILTER EFI 1/2 MALIBU/SUPRA

    FUEL FILTER EFI 1/2 MALIBU/SUPRA

    Fuel Filter 1/2" Inlet 1/2" Outlet Fits: Malibu 02-06, Supra & Moomba 02-09. Located In the rubber fuel line before the fuel pump. Does NOT Fit: 07 and up Malibu in-tank fuel pump and 2010 up Supra/Moomba in-tank pumps. Bin Number...
    $24.00
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