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Heat Exchangers & Coolers

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Heat Exchangers & Oil Coolers

Marine Heat Exchangers & Oil Coolers

Keep your marine engine running at peak performance with our wide selection of heat exchangers & oil coolers. Designed to regulate temperature & protect vital components, these parts are essential for preventing overheating & extending engine life.

We stock genuine & high-quality replacement oil coolers, fuel coolers & heat exchangers for leading brands such as Volvo Penta, Mercruiser, Cummins, Ford Lehman, Onan, Kohler & Yanmar. Options include complete assemblies, replacement housings, end caps, brackets & zinc-protected brass coolers in multiple sizes.

Whether you’re maintaining a small yacht, cruiser or commercial vessel, our marine-grade oil coolers & heat exchangers deliver reliable performance in the toughest saltwater conditions. Choose from durable brass, stainless steel & OEM-spec components to keep your system running smoothly.

All (71)
Ford Lehman Heat Exchangers & Coolers (4)
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  • Seakamp 3" Oil Cooler Brackets Seakamp 3" Oil Cooler Brackets

    Seakamp 3" Oil Cooler Brackets

      Seakamp 3" Oil Cooler Brackets    3" Oil cooler brackets to suit Seakamp oil coolers Stainless steel strap with stainless bolt

    $41.60
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  • Seakamp 2" Oil Cooler Brackets Seakamp 2" Oil Cooler Brackets

    Seakamp 2" Oil Cooler Brackets

    Seakamp 2" Oil Cooler Brackets   2" Oil cooler brackets to suit Seakamp oil coolersStainless steel strap with stainless bolt

    $46.20
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  • Stainless Steel Heat Exchanger Ends Stainless Steel Heat Exchanger Ends

    Stainless Steel Heat Exchanger Ends

    Stainless Steel Heat Exchanger Ends Sized from 2 to 5" Replacement heat exchanger ends suitable for various models including Onan 2" 0130-5176 and 130-1031 ends  Includes stainless steel end, rubber gasket, nylon washer, stainless bolt and washer

    $40.07 - $87.44
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  • Brass 12" Oil Coolers Brass 12" Oil Coolers

    Brass 12" Oil Coolers

    Brass 12" Oil Coolers - 12" Core length - 15" overall length - 2" Diameter 3/4", 1", 1-1/4" and 1-1/2" Water inlet & outlets 3/8" or 1/2" BSP Oil feed & return fittings Brass construction Australian made

    $400.75 - $570.24
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  • Brass 9" Oil Coolers Brass 9" Oil Coolers

    Brass 9" Oil Coolers

    Brass 9" Oil Coolers - 9" Core length - 12" overall length - 2" Diameter 3/4", 1", 1-1/4" and 1-1/2" Water inlet & outlets 3/8" or 1/2" BSP Oil feed & return fittings Brass construction Australian made

    $258.39 - $594.00
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  • Brass 5" Oil Coolers Brass 5" Oil Coolers

    Brass 5" Oil Coolers

    Brass 5" Oil Coolers - 5" Core length - 9" overall length - 2" Diameter 3/4", 1", 1-1/4" and 1-1/2" Water inlet & outlets 3/8" or 1/2" BSP Oil feed & return fittings Brass construction Australian made

    $231.66 - $471.90
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  • Brass 12" Oil Coolers with Zinc Anode Brass 12" Oil Coolers with Zinc Anode

    Brass 12" Oil Coolers with Zinc Anode

    Brass 12" Oil Coolers with Zinc Anode - 12" Core length - 15" overall length - 2" Diameter 3/4", 1", 1-1/4" and 1-1/2" " Water inlet & outlets 3/8" or 1/2" BSP Oil feed & return fittings 3/8" Anode fitting with Zinc Martyr anode included Brass...

    $269.08 - $600.60
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  • Brass 9" Oil Coolers with Zinc Anode Brass 9" Oil Coolers with Zinc Anode

    Brass 9" Oil Coolers with Zinc Anode

    Brass 9" Oil Coolers with Zinc Anode - 9" Core length - 12" overall length - 2" Diameter 3/4", 1" and 1-1/4" " Water inlet & outlets 3/8" or 1/2" BSP Oil feed & return fittings 3/8" Anode fitting with Zinc Martyr anode included Brass construction...

    $242.35 - $393.76
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  • Brass 5" Oil Coolers with Zinc Anode Brass 5" Oil Coolers with Zinc Anode

    Brass 5" Oil Coolers with Zinc Anode

    Brass 5" Oil Coolers with Zinc Anode - 5" Core length - 9" overall length - 2" Diameter 3/4", 1", 1-1/4" and 1-1/2" Water inlet & outlets 3/8" or 1/2" BSP Oil feed & return fittings 3/8" Anode fitting with Zinc Martyr anode included Brass...

    $295.81 - $557.41
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  • Mercury Style Oil & P/S Cooler

    Mercury Style Oil & P/S Cooler

    Brass Mercury Style Oil Cooler 8" x 1" x 1/2" & 3/8" Barb 8" Length 2" Diameter 1" Water inlet & outlet 1/2" BSP Oil feed & return 3/8" Power steering barb fittings Brass construction Australian made

    $561.00
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  • Chrysler 4142598 & 2847886 Heat Exchanger Replacement

    Chrysler 4142598 & 2847886 Heat Exchanger Replacement

    Chrysler 4142598 & 2847886 Heat Exchanger Replacement Fits LM318 & M360The tee is required for installation on the 4142598 dual pass sea water upgrade. The dual pass element increases cooling efficency. This replaces 2847886 single pass heat...

    $1,350.00
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  • Genuine Volvo Penta 23485230 Fuel Cooler D4 & D6

    Genuine Volvo Penta 23485230 Fuel Cooler D4 & D6

    Genuine Volvo Penta 23485230 Fuel Cooler D4 & D6 Replaces Volvo Penta part: 40005787, 3583818, 23485230 Suit Volvo Penta engines: Various D4 & D6 models (If you are unsure if this suits your engine contact us with your engine model and serial...

    $1,192.55
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  • Genuine Volvo Penta 40005784 Heat Exchanger Insert D4

    Genuine Volvo Penta 40005784 Heat Exchanger Insert D4

    Genuine Volvo Penta 40005784 Heat Exchanger Insert D4 Replaces Volvo Penta part: 40005784 Suit Volvo Penta engines: D4-145I-G Doesn not include any seals. This is a genuine Volvo Penta heat exchanger insert.

    $3,286.83
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  • Genuine Volvo Penta 23042274 Heat Exchanger D4 Genuine Volvo Penta 23042274 Heat Exchanger D4

    Genuine Volvo Penta 23042274 Heat Exchanger D4

    Genuine Volvo Penta 23042274 Heat Exchanger D4 Replaces Volvo Penta part: 23042274 Suit Volvo Penta engines: D4-145I-G Heat exchanger includes:  Heat exchanger inserts 23079288 & 40005784, thermostat kit 23594887 (see picture 2 for contents) If...

    $12,063.19
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  • Volvo Penta 860633 861600 Oil Cooler Housing Replacement Volvo Penta 860633 861600 Oil Cooler Housing Replacement

    Volvo Penta 860633 861600 Oil Cooler Housing Replacement

    Volvo Penta 861600 Oil Cooler Housing Replacement Replaces Volvo Penta part: 860633, 861600 Suit Volvo Penta engines: MD31A, TMD31B, TAMD31B, AD31B, AD31XD, TAMD31D, TMD31D, AD31L-A, AD31P-A, TAMD31L-A, TAMD31M-A, TAMD31P-A, TAMD31S-A, TMD41B, D41B,...

    $775.94
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  • Genuine Volvo Penta 22898286 Heat Exchanger D2-50 D2-55 D2-60 D2-75 Genuine Volvo Penta 22898286 Heat Exchanger D2-50 D2-55 D2-60 D2-75

    Genuine Volvo Penta 22898286 Heat Exchanger D2-50 D2-55 D2-60 D2-75

    Genuine Volvo Penta 22898286 Heat Exchanger D2-50 D2-55 D2-60 D2-75 Replaces Volvo Penta part: 3808561, 22898286 Suit Volvo Penta engines: D2-50F, D2-55, D2-55B, D2-55C, D2-55D, D2-55E, D2-55F, D2-60F, D2-75, D2-75B, D2-75C, D2-75F Heat exchanger...

    $7,126.92
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  • Genuine Volvo Penta 3842020 Heat Exchanger Insert D2-40

    Genuine Volvo Penta 3842020 Heat Exchanger Insert D2-40

    Genuine Volvo Penta 3842020 Heat Exchanger Insert D2-40 Replaces Volvo Penta part: 3842020 Suit Volvo Penta engines: D2-40, D2-40B, D2-40F  Does not include heat exchanger o-rings 3842016 order seperately if needed (4 x needed) This is a genuine...

    $1,208.04
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