Contact us Click Here

Shop by Brand

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.

  • PCM Impeller-2004 Up W/Serpentine Belt PCM Impeller-2004 Up W/Serpentine Belt

    PCM Impeller-2004 Up W/Serpentine Belt

    PCM Impeller Kit With O-Rings RP061022: Fits: GM 5.0, 5.7, 6.0 ALL with *Serpentine Belt Excalibur 330, EX343, ZR6, ZR409, 5.0L Pro Sport MPI Excalibur some 2003 and up. 2004 and up modular pump, also fits H5 D.I. & H6 D.I. engines (5...
    $58.95
    Add to Cart
  • T-STAT, FWC EXCH 170 DEGREE

    T-STAT, FWC EXCH 170 DEGREE

    2004 Up PCM 5.0 & 5.7 Serpentine Belt Engines and some Crusader 6.0L engines with OEM factory Fresh Water Cooling. Located in the Heat Exchanger. Also cross references to Marine Power Pt # 515411 FWC. Replaces R026007A Bin Number...
    $60.48
    Add to Cart
  • IMPELLER KIT MERCRUISER JABSCO

    IMPELLER KIT MERCRUISER JABSCO

    Mercruiser V8 Pulley Driven Raw Water Pump Impeller kit, fits original 2 Piece Plastic Housing 1980's thru 1990's. Also fits the replacement Mercruiser Jabsco Brass replacement pumps. Fits: Either Quicksilver, Model 46-72774-A32 pump or the Jabsco...
    $37.95
    Add to Cart
  • Impeller Indmar 302 R/W  Pump JOH098-1027B Impeller Indmar 302 R/W  Pump JOH098-1027B

    Impeller Indmar 302 R/W Pump JOH098-1027B

    With Gasket 302 Pump Only! (OEM JOH09-1027B)This pump was used on a handfull of Indmar 351 engines around 1990 Mostly American Skiers. Pump # 68-5011. Fits Johnson Pump 10-24228-1. The heart of the Cooling System is the Flexible Impeller located in the...
    $48.32
    Add to Cart
  • Impeller Kit Mercruiser One Piece Housing

    Impeller Kit Mercruiser One Piece Housing

    * 1998 To 2002? Merc With One Piece Housing and Serpentine Belt.* Also For Sierra 1 piece replacement housings Item 0630* Replaces OEM Merc 47-59362 impeller. 1998 AND UP MERCRUISER RAW WATER PUMPS WITH 1 PIECE HOUSING. INCLUDES IMPELLER, WEAR PLATE AND...
    $78.67
    Add to Cart
  • PCM Ford Exhaust Service Kit 302/351 PCM Ford Exhaust Service Kit 302/351

    PCM Ford Exhaust Service Kit 302/351

    PCM Exhaust Manifold Service Kit 302/351 RP173029: Fits: PCM 302 and 351 Includes manifold gasket, riser gasket, bolts, washers, elbow and pipe plug. PCM Complete engine set for both sides. Genuine PCM OEM Exhaust Manifold Service Kit 302/351 RP173029...
    $179.60
    Add to Cart
  • BEARING HOUSING, PCM MODULAR R/W PUMP BEARING HOUSING, PCM MODULAR R/W PUMP

    BEARING HOUSING, PCM MODULAR R/W PUMP

    2004 & up PCM Modular Raw Water Pump bearing housing assembly, 5.0L/5.7L/6.0L. Impeller sold separately Item # 2004203 2004 & up PCM Modular Raw Water Pump bearing housing assembly, 5.0L/5.7L/6.0L. Impeller sold separately Item # 2004203. Bin...
    $357.03
    Add to Cart
  • 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              Base gasket sold separately (click...
    $220.99
    Add to Cart
  • IMPELLER JABSCO LT1 (RARE)

    IMPELLER JABSCO LT1 (RARE)

    IMPELLER JABSCO 18777-0001 * Mastercraft used a few JABSCO pumps on the LT1 engines around 1995* Also used on some Marine Power Pt # 527272* New Jabsco part number superceeds OLD 22120-0001 (12 flaps) same impeller.* Jabsco pump # 23800-0201* 2" depth,...
    $64.87
    Add to Cart