Who makes the MerCruiser 7.4 engine?

Who makes the MerCruiser 7.4 engine?

The MerCruiser 7.4-liter MPI (7.4L MPI), is an boat engine manufactured by Mercury Marine, a American company headquartered in Fond du Lac, Wisconsin.

How much does a new inboard engine cost?

An inboard powerboat engine replacement costs approximately $15,000, while you should set aside about $5,000 to $10,000 to replace the motor for a sailboat. If you have a sailboat with an outboard motor, you will pay significantly less, somewhere around $1,500, because this vessel uses wind as the first power source.

How much horsepower does a 7.4 MerCruiser have?

Mercruiser Big Block 7.4L V8 Marine Engine Product Specifications

Models 7.4L MPI 454 Mag MPI
Propshaft Horsepower (SAV1 Rating) 3101 (2752) 3851
Propshaft Kilowatts (SAV1 Rating) 2311 (2052) 2871
Displacement 454 cid (7.4 l)
Maximum rpm @ WOT3 4200-4600 rpm 4600-5000 rpm

What company makes MerCruiser engines?

Brunswick Corporation
They primarily design manufacture and produce marine specific motors, the largest sector being outboard engines. It also produces the MerCruiser line of sterndrives and inboard motors.

Mercury Marine.

Type Division
Headquarters Fond du Lac, Wisconsin, United States of America
Key people Carl Kiekhaefer
Parent Brunswick Corporation

What’s the difference between a marine motor and a car motor?

Marine Engines Are Heavy Duty

A car engine typically only uses a portion of its horsepower to maintain a decent speed on the road. On the other hand, a marine engine is essentially at full throttle all the time just to move it through the water, so it has to be pretty heavy duty to keep up.

How much oil does a 454 MerCruiser hold?

I’ve owned a number of boats with 7.4/454 engines, and the owner’s manuals say 7 quarts which is also the case with Chevy trucks I’ve owned. The Chevy’s always came to the full mark on the stick after adding 7 quarts. Problem is, 5 quarts is what it takes to bring the oil level to full on a MerCruiser.

How much does it cost to rebuild a boat engine?

Rebuilding your engine will cost around $2,500. That difference of $1,000 to $2,000 will buy a lot of gas, so consider carefully. The same-size engine in a newer four-stroke or DFI two-stroke model will add at least a $1,500 premium, so those 90 to 115 horsepower models could now run upward of $6,000.

When should you rebuild a boat engine?

If the guts of your engine are good, if it’s not burning lots of oil or guzzling more fuel than it used to, and still has plenty of get up and go, then repairs are usually worth the expense—and cheaper than the alternative. But if something goes awry inside the engine, you’re looking at a rebuild.

How many horsepower is a 8.1 MerCruiser?


Type of Engine
Number of Cylinders 8
Horse Power 370
Configuration V-8
Weight 1130.00lbs

Is Mercury made in China?

Re: chinese outboards
Mercury has its own outboard factory in Suzhou, China where it builds 40, 50 and 60 hp engines.

Are Volvo Penta and MerCruiser engines the same?

The foundation of the MerCruiser and Volvo Penta have remained the same over time, beginning with the skeleton of an auto engine and then making changes to repurpose it for the boating industry — what’s known as “marinizing.” While the automotive and boating industries do share some similar fundamental needs, relying …

Can I put a car engine in a boat?

The automobile engine, as used in passenger cars and a large percentage of trucks, is not adapted to use in motor boats. It is not built substantially enough for this, inasmuch as the power output of the motor-boat engine, except during starting or landing, is always 100 per cent.

Why can’t you use a car engine in a boat?

Boat Motors Are Used Less Often
But many people don’t take their boat out nearly as often as they drive their car, so it makes sense that marine motors are not built to be used the same way as car engines. This is why you can’t simply use a car engine in place of a boat engine.

How many quarts does a 7.4 MerCruiser take?

Problem is, 5 quarts is what it takes to bring the oil level to full on a MerCruiser.

What oil does a MerCruiser engine take?

MerCruiser Oil Specs
The manufacturer recommends that its own MerCruiser SAE 20W-40 Full Synthetic Engine Oil be used.

Is it cheaper to rebuild or replace an engine?

Rebuilding to repair is usually cheaper than buying a new engine, too. You may save up to half of the cost of a new engine by rebuilding. However, sometimes rebuilding is not a good option. In cases where rebuilding will cost as much as a new engine, your mechanic should be upfront about those costs.

Is it worth rebuilding an engine?

Frequently, rebuilt engines are superior to even new car engines because better parts are used, or design changes in parts correct problems with the original engine. Rebuilt engines are dependable, reliable and are backed by the engine manufacturers warranty program.

Is it worth rebuild a boat engine?

How many hours will a Mercruiser 496 last?

Re: 496 ho engines (425hp)

How many horsepower is a 496 Mercruiser?

496 MAG HO (425-hp)

What company owns Mercury Marine?

Brunswick CorporationMercury Marine / Parent organization
– Mercury Marine’s parent company, Brunswick Corporation (NYSE: BC) today announced that it has completed the acquisition of Power Products – Global Marine & Mobile, which includes the global marine, specialty vehicle, mobile, industrial power, and transportation aftermarket products businesses of Power Products.

Does Yamaha Make Mercury motors?

In 2006 models, Mercury four stroke powerheads from 40 to 225 HP (except the Verados) are built by Yamaha. Mercury’s agreement with Yamaha ended in March 2006, at which time Mercury is expected to phase in more four cylinders (75 to 115 HP) based on the Verado engine block, but without supercharging or intercooling.

Are Mercruiser engines reliable?

The main reason boaters select Mercruiser is the engine’s reliability. Using an engine you can count on throughout your ownership is a big perk. Boaters also appreciate the Mercruiser’s fuel efficiency and performance.

Is Mercruiser a GM engine?

And where there is MerCruiser, there is GM. But how did this come to be? To approach an answer to that question, let’s look at what boat builders — and boaters, for that matter — need from an engine.

Why do boat engines not last long?

Many marine engines sit very low in the bilge and water is consistently in contact with the oil pan. Over the years this can corrode and cause pinhole leaks in the pan. Whenever there is a large deviation from normal, take that as an urgent warning.