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COOLING SYSTEM COMPONENTS

An inboard engine cooling system works by keeping your boat's engine from overheating. It also ensures that it's operating at its best and at peak efficiency. Because of this, it's important to keep your inboard motor cooling system maintained and updated. After all, it's the lifeblood of your boat's engine. At Discount Inboard Marine, we carry a wide selection of inboard cooling system parts and accessories. You'll find everything from impellers and raw water pumps to gaskets and circulation pumps. Shop Discount Inboard Marine today to keep your inboard engine cooling system running right.

  • 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...
    $672.50
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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. Includes impeller and gasket...
    $219.00
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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...
    $99.75
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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...
    $369.50
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