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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.

  • SCREWS COVER PLATE JOHNSON R/W

    SCREWS COVER PLATE JOHNSON R/W

    Indmar/Johnson crank driven pump cover plate screw.  Four screws needed per cover plate.   Screws sold individually. Indmar/Johnson crank driven pump cover plate screw.  Four screws needed per cover plate.  Bin Number...
    $10.00
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  • RETAINER RING, LARGE

    RETAINER RING, LARGE

    Sherwood raw water pump bearing retaining ring (sold individually, 2 required). This is the large ring 1-1/2" in diameter Sherwood Pt# 4259.   Bin Number (ISBN): 52809  
    $3.00
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  • PUMP, RW 5.7L, 5.0L (SERPENTINE) PUMP, RW 5.7L, 5.0L (SERPENTINE)

    PUMP, RW 5.7L, 5.0L (SERPENTINE)

    PCM Excalibur, Pro Sport 5.0 with serpentine belt. Modular raw water pump. 2004 up with the wide serpentine belt (not for 6.0L). Front bearing housing assembly is also available its' Item # 82913. PCM Excalibur, Pro Sport 5.0 with serpentine belt...
    $804.66
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  • RETAINER RING, SMALL

    RETAINER RING, SMALL

    Ford Sherwood raw water pump snap ring. This is the small brass ring for the 5/8" diameter shaft (sold individually, 2 required). Sherwood PT# 4258.   Bin Number (ISBN): 52709  
    $4.00
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  • SHERWOOD RAW WATER PUMP - BELT DRIVEN SHERWOOD RAW WATER PUMP - BELT DRIVEN

    SHERWOOD RAW WATER PUMP - BELT DRIVEN

    Fits most PCM GM 350, 454 Up To Mid 90's "NOT" Excalibur with belt-driven pump.Uses Item# 0713 impeller. OEM Sherwood G-55-2 pump. Belt-driven raw water pump. Original Equipment by Pleasurecraft Marine. Bin Number (ISBN): 0602
    $975.00
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  • BEARING SHERWOOD R/W PUMP BELT DRIVEN

    BEARING SHERWOOD R/W PUMP BELT DRIVEN

    All Belt Driven PCM Pumps - Not for P105 crank driven pump. Two required per pump for G-21, G-55-2, P1012, P1014 and P1015.   A press is required to change bearings. And, a mechanical seal/seal seat is recommended.   Bin Number...
    $37.75
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  • JOHNSON RAW WATER PUMP CRANK MOUNTED JOHNSON RAW WATER PUMP CRANK MOUNTED

    JOHNSON RAW WATER PUMP CRANK MOUNTED

    Indmar Ford 351 and GM 350 (Not for LT1 or LTR use Item #11205). This is the latest revised version of the Johnson pump and uses the same 812 impeller. Fits Indmar Monsoon, LCR, RTP, Carb 310, Assualt, Predator, TBI, MCX, 6.0L, and Ford Raptor. Includes...
    $245.10
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  • REPAIR KIT, RAW WATER PUMP REPAIR KIT, RAW WATER PUMP

    REPAIR KIT, RAW WATER PUMP

    * REPAIR KIT FOR MERCRUISER ORIGINAL STYLE PLASTIC BODY PUMPS(Click photo for more details). 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...
    $101.85
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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*Mastercraft LT1/LTR Engines*Indmar Part #68-5020, S685020*This pump has the proper extra holes drilled for the LT1/LTR to keep it from shaking excessivley. *Different Mounting Flange Than #0603*Mastercraft LT1/LTR...
    $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...
    $858.50
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