4.3L, 5.0L, 5.7L Mercruiser Marine Closed Cooling Kit. Used on engines 1999-15

Description

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New SBC GM V8 (4.3L, 5.0L, 5.7L, 6.2L) Marine Fresh Water Cooling Kit (Fits Mercruiser applications years 1999-2015) - For Mercruiser I/O Applications.
Prevent internal engine corrosion
by cooling your marine engine with antifreeze. This cooling kit includes everything needed to convert from cooling your engine with raw water (sea water or lake water, etc.) to cooling your engine with antifreeze.
This kit will fit 4.3L, 5.0L, 5.7L and 6.2L marine applications. This is a "half kit" (i.e. this cools only the engine block). On average, this kit will take 1-2 hours for installation. This kit comes with everything needed for installation. Nothing more will be needed. If you are unsure if this will fit your application, please email us a serial number off of your application (ex. 0F123456)
These components are
Made in the USA!
Will this kit fit my engine?
Will fit Mercruiser applications years 1999-present
Fits small block GM engines (4.3L, 5.0L, 5.7L, 6.2L)
Half Kit (cools block only)
Fits only Serpentine (single belt) setups
Designed for applications that have the
alternator mounted high
on the starboard side and power steering pump mounted low on port side
Please verify kit fitment by eBay message before you purchase. We will not accept returns on opened kit.
When calling, reference part number:
MON-MFH-5433
Detailed Kit Description:
CONVERSION KIT FITS
1999 - present MerCruiser GM 4.3L, 5.0L, 5.7L, and 6.2L (262, 305, 350, and 377 CID) models with a single serpentine belt/single-belt (will NOT fit v-belt or multi-belt equipped engines).   Sterndrive and inboard (EXCEPT V-drive installations).   For sterndrive applications, the power steering pump should be mounted low on the port side and alternator on the upper starboard side ( For engines with the power steering mounted high on the port side and serpentine belt order kit MFH-5229 or MFH-5398).   For inboard applications, the alternator should be located on the lower starboard side of the engine.   Heat exchanger is 4-1/8" diameter x 21" long and fits within overall length, width, and height of most engine conversions (adds 1-1/2” to overall length of 2001 and newer MPI installations).   Heat exchanger extends from extreme starboard side of a normal exhaust manifold towards port.   Plastic expansion tank mounts either on front of heat exchanger or if space is limited on vertical surface next to engine.
COOLING SYSTEM TYPE
This kit is a block only fresh water cooling [FWC] system; meaning that only the engine block is protected by the system.   Exhaust elbows and exhaust manifolds remain on the raw water system.   System utilizes a unique, high performance heat exchanger. Our FWC systems are specially designed for the low capacity raw water pumps used on sterndrive engines.
CONVERSION KIT
Kit includes heat exchanger, heavy-duty translucent plastic expansion tank, complete instructions, and all other components necessary to convert a raw water cooled engine to FWC.   Some existing water hoses and hose clamps are reused.   Heat exchanger, thermostat housing and mounting brackets are finished in black.   Fasteners are zinc/cadmium plated or stainless steel.   All hose clamps are 3XX series stainless steel.
HEAT EXCHANGER
High-flow, shell and tube design allowing a higher cooling capacity than standard.   All copper alloy construction made to the highest industry standards.   Includes heavy-duty, dual, demountable end covers for easy clean-out.
COOLING SYSTEM CAPACITY
Will maintain coolant temperatures in the 160-170  F range using 160  F thermostat included in kit.   System has cooling capacity safety margin higher than industry standards.
HEATER SYSTEM HOOKUP
Heaters such as galley water heaters and cabin heaters are easily connected to the system by utilizing the cooling system bypass connections.
INSTALLATION TIME
Average installation time is approximately 2-3 hours, assuming new engine and normal accessibility.   Allow additional time for filling and testing. Installation skills are typical of most do-it-yourself boat owners.   Complete illustrated installation instructions are included in kit.
Marine Exhaust Components
Remanufactured Marine Engines
Marine Cylinder Heads
Marine Intake Manifolds
The standard freight charge listed in the ad, should there be a flat rate or "free" option is for shipping to the continental USA only.
Shipping to Alaska, Hawaii, Puerto Rico, Guam, and international destinations will incur additional fees.
Please contact us before purchasing the item if you are located outside of the continental USA so that we can first quote shipping options.
Domestic
Engine Parts:
Engine parts less than 150 LBS are shipped via UPS, USPS, or FedEx. Items that have free shipping are shipped using a carrier of Center State's discretion. Parts also have expedited shipping options available such as 2-day air and overnight shipping. There is a charge for expedited shipping and we will use the carrier selecting during checkout to ship the order.
Engine parts that are shipped via UPS, USPS, or FedEx have a 3PM same day shipping cutoff for in stock parts.
Engines or parts shipped Freight:
Engines or small parts over 150 LBS are shipped via LTL freight. Freight will be delivered on a semi truck. For items shipped freight, the standard flat rate is for shipping to a freight terminal for customer pick up or to a business location that has a dock or forklift available to unload the freight. Residential shipping with liftgate delivery or business shipping with liftgate delivery is available for an additional cost. Please contact us for the extra cost before purchasing the item. Typically, these costs are in the range, however, they may vary depending on shipping location.
International
Engine Parts:
Engine parts less than 150 LBS are shipped via UPS, USPS, or FedEx. There is always a shipping charge to send items internationally. Typically, UPS International Expedited is used, however, we do offer faster options. Please message us for costs. eBay's listed costs are typically higher than the actual cost.
We do not pay for any customs fees, taxes or duties that are incurred due to the importation of our product to your respective country.
Please keep this in mind when purchasing an item from the USA and specifically Center State Marine Engines.
Engines or parts shipped Freight:
Engines or small parts over 150 LBS have to be sent by international freight.
For
ocean freight
we ship via Econocaribe or Shipco. These carriers will transport the freight
door to port
or
door to door
. For door to port shipping, the freight will have to be picked up at the local port in your respective country. There will be port fees, customs fees, and duties or taxes that will be due on pickup. We do not pay for those fees. Center State Marine Engines simply pays for the cost of freight, packaging, fumigation, and insurance. We can quote ocean freight
door to port
or
door to door
.
For air freight we ship via commercial airline or UPS, FedEx, or DHL. These carriers will transport the freight
door to airport
or
door to door
. For door to airport shipping, the freight will have to be picked up at the local airport in your respective country. There will be airport fees, customs fees, taxes or duties that will be due on pickup. We do not pay for those fees. Center State Marine Engines simply pays for the cost of freight, packaging, fumigation, and insurance. We can quote air freight
door to airport
or
door to door
.
Please message us with your postal code or city and we will quote various shipping options for you. Please message us for a shipping quote before you buy the item.
Customer service is our #1 policy here at Center State Marine Engines and we want all of our customers to be happy with their purchase. We offer a 30-day return policy on all items that we sell. Some items will incur a restocking fee unless there is a fault of Center State Marine Engines.
Example of return scenarios:
If we send the wrong item or the item is received damaged – Center State Marine Engines will provide the correct item, or send a replacement, if damaged,
at our cost
.
If the customer orders the wrong part or changes their mind once the product is received – the
customer will be responsible
for the return shipping costs. Original shipping charges will
not
be refunded. If the item was a free shipping item, there will be a restocking fee between 10-20%, whatever amount will cover the original shipping costs incurred by Center State Marine Engines.
Engines sold by Center State Marine Engines cannot be returned once installed or run. If the engine has not been installed or run and needs to be returned, please contact us to facilitate a return via freight shipping.
Original shipping charges and return shipping charges will not be refunded. Engine returns will incur an additional 15% restocking fee.
Please be sure that you are ordering the correct engine to prevent the need for a return.
You can contact us at any time to verify fitment. We prefer that this verification be done before the order is placed.
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