Marine Oil Coolers:
All oil coolers are not created equal. All Hardin Marine oil coolers feature seamless 1/4" tubing and press-fit cooper baffles
that greatly improves heat transfer. The shells of these coolers are seamless while coupled with a high
density cast end cap. You will find none of these features in the expensive copies that feature no baffling seamed tubing guaranteed
to either burst or corrode under heat and pressure.
| FACT: Chroming of any cooler reduces its cooling capacity by as much as 40% so always paint or coat your cooler for best results. Don't risk your engine life to a poorly constructed cooler, it's what's inside that counts - demand Hardin Marine coolers. |
Click on the part number to check pricing or place an order.
| Keith Eickert 3" Polished Stainless Oil Cooler with Exclusive Cupronickel Core |
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When only the best will do
for the most severe conditions you will see why the armed forces Navy
Seal Stealth boats chose the very best in engine oil cooling technology.
These coolers were specially designed to maintain the maximum oil
control on engines up to 800 horsepower with corrosion resistance that
only stainless steel could offer. The multi-pass cupronickel core
has been known to dissipate heat up to 20% faster than traditional
copper style cooler cores. This cooler is 3" in diameter and
19-1/2" long. It features 3/4" NPT oil ports and 1" NPT water
ports.
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| Hardin Marine Remote Multi-Plate Race Style Oil Cooler Assembly |
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This multi-plate design oil cooler assembly is used in virtually every severe duty type of oil cooling environment found today. Recognized by Mercury Racing and every high profile professional engine builder as the most effective method to control oil temperature. The 8, 13 and 15 plate oil cooler design offers maximum heat dissipation in the most compact size and use of available space. This basically the same cooler package that's incorporated into a dual cooler style race bellhousing. Now you can have the same great cooling features in a remote mountable cooler. The cast aluminum housing features a hard anodized finish for corrosion resistance. Each housing has 1" NPT water inlets and outlets plus a dual-bolt mounting flange and will accept a 8,13 or 15 plate cooler assembly when used with the appropriate cover assembly. | ||||
| Hardin Marine Oil Cooler 2" Diameter / 8" Length |
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This cooler features thirty-one 1/4" cooling tubes with displacement baffles. It also features 3/8" NPT oil connections with an 1/8" NPT drain. It's operating pressure is up to 150 PSI. This is designed for power steering or transmission applications. | ||||
| Hardin Marine Oil Cooler 2" Diameter / 16" Length |
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This cooler features thirty-one 1/4" cooling tubes with displacement baffles. It also features large 3/4" NPT oil connections for increased flow with an 1/8" NPT drain. It's operating pressure is up to 150 PSI. Recommended for engines up to 425 horsepower. | ||||
| Hardin Marine Oil Cooler Combination Engine Oil And Power Steering Or Transmission Cooler 2" Diameter / 18" Length |
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This cooler uses the same features as the coolers above except it
is designed as a MerCruiser replacement cooler for most common
V8 engines. The only noticeable difference is the use of 3/4" NPT oil connections providing a higher volume flow capacity. |
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| Hardin Marine Dual Tandem Oil Cooler 2" Diameter / 18" Length |
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This is one of the best designs anywhere. Two coolers and only one water hose connection. Each tube consists of thirty-one 1/4" seamless tubes with displacement baffles so you can be assured you're getting maximum cooling when you need it. | ||||
| Hardin Marine Hi-Performance Cooler 3" Diameter / 18" Length |
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Hardin Marine's hi-performance 3" diameter oil coolers are
designed for engines making 450 horsepower and above. Note that these
units have seventy-six 1/4" seamless tubes - over double that of a 2"
oil cooler. These coolers incorporate cast end caps
no cheap press-formed caps are used. Their operating pressure is up to 150psi.
This is the cooler all others try to imitate but never duplicate.
Compare features and you will demand Hardin Marine oil coolers.
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| Hardin Marine Oil Cooler Hi-Performance Combination P/S & Engine Oil Cooler |
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Have you made some performance modifications and now are making
some real horsepower only to find out your stock Mercury cooler can't keep
up. Well not only is this our most popular combination cooler, it is also the
answer to getting those oil temperatures back where they belong. This
cooler features seventy-six 1/4" seamless cooling tubes and can handle from 450
to 750 horsepower applications with ease. With 25" overall length, 3/4"
NPT oil connections, 3/8" NPT P/S connections, and 1" water connections, this is
the perfect fit for any serious boater.
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| Hardin Marine Oil Cooler "Ultimate" Hi-Performance Thermostatically Controlled Cooler |
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Quite simply, the ultimate oil cooler on the market today! It maintains
oil temperature thermostatically and all in one unit. If you suffer from either
high oil temperature or even moisture or condensation in your engine oil this is
the answer. The oil thermostat is designed to maintain an oil operating
temperature between 190 degrees and 215 degrees. The thermostat bypasses
the cooler until operating temperature has been reached and then balances
oil flow to maintain optimum oil temperature. This alone can save you from
years of damage caused by operating your boat with too cold oil.
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| Olson
Oil Coolers |
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This Olsen hi-performance engine oil cooler has a unique feature - it
bolts directly to the engine block and requires no additional oil plumbing. It
merely sandwiches between the oil filter pad and oil filter. It is available in either
1-1/4" push-on fittings or AN style fittings to plumb the water inlet and exit. This
cooler uses a large well designed 3" core and is available hard anodized or
polished as an option. An offshore model is available to clear mid-engine motor
mounts. This cooler completely disassembles for servicing.
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