Text/Call:  803-345-0996

Shop by Brand

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.

  • CRANK SENSOR 5.0/5.7 MPI R020038 CRANK SENSOR 5.0/5.7 MPI R020038

    CRANK SENSOR 5.0/5.7 MPI R020038

    PCM 2002 UP 5.7/5.0 MPI, FITS INTO TIMING COVER. NOT FOR LT1/LTR OR 6.0L. Indmar MCX and 2006 and up Indmar 5.7L engines with HVS (flat cap) distributor. Indmar part number 556293. Bin Number (ISBN): 91511
    $137.60
    Add to Cart
  • MAP SENSOR GM TBI SOME MPI R020017 MAP SENSOR GM TBI SOME MPI R020017

    MAP SENSOR GM TBI SOME MPI R020017

    GM Throttle Body Injection Manifold Absolute Pressure sensor 94 and up. Also used on PCM Pro Tec Injection (BARO) and (MAP). Also fits Indmar LT1 and Monsoon 1 (96-97) Pt # 556006. Bin Number (ISBN): 81310
    $99.25
    Add to Cart
  • IDLE AIR CONTROLLER TBI

    IDLE AIR CONTROLLER TBI

    Throttle Body Injection IAC, GM 94 and up. Indmar old PT # 55-6085 now superceeded by S556094. Also fits Indmar LT1 Corvette. Bin Number (ISBN): 81210
    $63.75
    Add to Cart
  • ADAPTER, FLAT RSPNS KNOCK SENSOR ADAPTER, FLAT RSPNS KNOCK SENSOR

    ADAPTER, FLAT RSPNS KNOCK SENSOR

    Adapter for the Flat Response Knock sensor. Indmar 2006 (original brass) up 5.7L and PCM 2008 up 5.7L, 5.0L. Engines with this style sensor will have one on each side of the block located in the block drain. Bin Number (ISBN): 92914  
    $12.00
    Add to Cart
  • Sensor, Knock (Flat Response) Sensor, Knock (Flat Response)

    Sensor, Knock (Flat Response)

    PCM usually 2008 & UP, GM 5.0L, 5.7L & 6.0L. There are some exceptions where the old style knock sensor has been used on both sides of the block (Item # 1249) after 2008. Bin Number (ISBN): 110312
    $20.75
    Add to Cart
  • SPARK PLUG WIRE SET GT-40 EFI

    SPARK PLUG WIRE SET GT-40 EFI

    PCM 351 GT40 MPI EFI, Original Equipment.  Manufacturers' choice for premium performance. Suppression Core marine 8mm silicon wire sets. Includes coil wire. The OEM red wires are no longer available and the color currently being used by PCM is gray...
    $63.25
    Add to Cart
  • STARTER KIT, BOTTOM MOUNT GM 5.7

    STARTER KIT, BOTTOM MOUNT GM 5.7

    Arco Marine Starter Bottom Mount GM PCM Indmar RF122015: Fits: PCM, Indmar, Mercruiser. 5.7, 5.0, 7.4, 305, 350, 454. This kit includes new mounting bolts and metric nuts. CE Certified and in compliance with: USCG Title33 CFR 183.41, SAE J1171, ISO 8846...
    $202.65
    Add to Cart
  • STARTER LH GM TOP/REAR PCM 5.7, 6.0, 6.2

    STARTER LH GM TOP/REAR PCM 5.7, 6.0, 6.2

    Left Hand Flywheel rotation "Standard" Engine Rotation, Permanent Magnent top mount (rear entry) starter. Fits into bellhousing above and to the side of the transmission. Fits 5.0L, 5.7L, 7.4L H5 & H6 PCM, Indmar PT# 573001, Some Mercruiser. Replaces...
    $242.50
    Add to Cart
  • MARINE TOP MOUNT STARTER RH - CHEVY 305/350/454

    MARINE TOP MOUNT STARTER RH - CHEVY 305/350/454

    Right Hand "Opposite" Engine Rotation, top mount bolts into Bellhousing (rear entry)Most Correct Craft With 454 PCM RA122008. CHEVROLET MARINE STARTERS Caution! Not all starters are Coast Guard approved. These marine starters have the correct bushings...
    $315.00
    Add to Cart
  • PIGTAIL, 12" MALE TO FEMALE PIGTAIL, 12" MALE TO FEMALE

    PIGTAIL, 12" MALE TO FEMALE

    One foot harness extension, 8 prong rectangular male to 8 prong rectangular female. Can be cut in half and spliced to make a new connection for the engine to boat harness. Bin Number (ISBN): 92713  
    $32.00
    Add to Cart
  • COVER ELECTRICAL PANEL

    COVER ELECTRICAL PANEL

    ELECTRIC BRACKET COVER R126007A PCM FORD CARBURETED ENGINES, THIS PLASTIC COVER GOES OVER THE STARTER RELAY, CIRCUIT BREAKER ETC. CURRENT COVER IS BLANK WITH NO EMBOSSED PCM LOGO'S.   Bin Number (ISBN): 112411  
    $58.00
    Add to Cart
  • WIRE HARNESS, FORD CARB WIRE HARNESS, FORD CARB

    WIRE HARNESS, FORD CARB

    FORD ELECTRONIC IGNITION WIRE HARNESS R121025A PCM Carb FORD 87 ON (No Resistor Wires)Can be used on 87 and prior with ballast resistor but you will need to finish the conection to the coil. This harness is not designed for use with an alternator...
    $138.80
    Add to Cart