MERCURY 3G120AA Engine 4.6L 8TH

( Manufacturer Part Number: 3G120AA ), ( Manufacturer Warranty: 90 Day ), ( Genuine Oem: Yes ), ( Seller Notes: 4.6l Pullout W/transmission 111k ), ( Interchange Item Code: 300 ), ( Reference Oe/oem: 3g120aa, 4g120aa, 4w7z6007ea ), ( Compatibility: Marauder 03-04, Vin V, 8th Digit ), ( Number Of Valves: 32 ), ( Engine Size: 4.6l ), ( Fuel Type: Gas ), ( Type: Engine Complete Assembly ), ( Partout Id: A-91964786 )

Review MERCURY Used Engine Complete Assembly Fits 4.6l Vin 8th Digit fits MARAUDER 2003

The Mercury 3G120AA engine, manufactured by Ford Motor Company, is a 4.6-liter, eight-cylinder powerhouse specifically designed for use in the 2003 Marauder model. This engine is part of the Modular 4.6L V8 engine series, which is renowned for its durability, reliability, and robust performance.

The Mercury 3G120AA engine boasts an overhead camshaft design, featuring four valves per cylinder for optimal air and fuel intake and exhaust emission. The engine block is made of compacted graphite iron for enhanced strength and durability. The cylinder bores are lined with a Nikasil liner for superior heat dissipation and corrosion resistance.

The engine is equipped with a dual exhaust system, which not only enhances the engine's performance but also contributes to better fuel efficiency and reduced emissions. The intake system is optimized for improved airflow, allowing for increased power output and smoother engine operation.

The Mercury 3G120AA engine is also known for its advanced electronic fuel injection system. This system allows for precise fuel delivery, ensuring optimal engine performance and efficient fuel usage. The engine control unit constantly monitors engine parameters and adjusts fuel delivery accordingly, ensuring optimal engine performance under various driving conditions.

The engine is capable of producing a peak horsepower of 225 at 4750 rpm and a peak torque of 310 lb-ft at 3400 rpm. The Mercury 3G120AA engine is also designed to meet strict emissions regulations, making it an environmentally friendly choice for vehicle owners.

In summary, the Mercury 3G120AA engine is a powerful and reliable powertrain option for the 2003 Marauder. Its advanced design features, including an overhead camshaft design, compacted graphite iron engine block, dual exhaust system, and electronic fuel injection system, contribute to its impressive performance, durability, and fuel efficiency. This engine is a wise choice for those seeking a high-performing and dependable engine for their Marauder.

The Mercury Marauder, a full-size luxury sedan produced by Ford between 1993 and 2005, was powered by various engines during its production run. Among these engines was the 4.6L 8V 3V SOHC 24-valve 3G120AA engine, which was used in the 2003 model. Here are some pros and cons of buying a used Mercury Marauder with this engine.

1. Power: The 4.6L engine delivers impressive power for a sedan, producing 225 horsepower and 320 lb-ft of torque. This makes for a thrilling driving experience.

2. Smooth operation: The SOHC 24-valve design ensures smooth and quiet engine operation, making for a comfortable and refined ride.

3. Fuel efficiency: Compared to other V8 engines of similar power, the 4.6L engine offers relatively good fuel efficiency, with an EPA-estimated 15 mpg city and 23 mpg highway.

4. Durability: The Mercury Marauder and its 4.6L engine are known for their durability and reliability, making them a good choice for those looking for a long-term investment.

1. Maintenance costs: The 4.6L engine can be thirsty for oil, and regular oil changes and maintenance are necessary to keep it running smoothly. This can add to the overall cost of ownership.

2. Emissions: The engine does not meet modern emissions standards and may require aftermarket modifications or the installation of a catalytic converter to pass emissions tests or inspections.

3. Size and weight: The Marauder is a large sedan, and the 4.6L engine adds to its weight and size, which can negatively impact fuel efficiency and handling.

The Mercury Marauder with the 4.6L 8V 3V SOHC 24-valve 3G120AA engine offers a unique blend of power, smoothness, and durability. However, it also comes with higher maintenance costs and potential emissions issues, as well as the added size and weight of the engine. Ultimately, the decision to buy a used Mercury Marauder with this engine depends on your personal preferences, budget, and driving needs. If you prioritize power, refinement, and durability, and are willing to accept the higher maintenance costs and potential emissions issues, then this engine may be a good fit for you. Alternatively, if you are looking for a more fuel-efficient or economical option, or if emissions regulations are a concern, then you may want to consider other engines or vehicles.

Details:

Orders placed after 2:00 pm CST cannot be guaranteed shipping that day. This part fits vehicles made in the following years 2003 ,2004. If any of the attaching parts are left on engine, they not covered by warranty. Superseded Part Numbers This item may have been superseded from a different part number this manufacturer.

Engines are warranted as a long block only. Original parts mean a perfect fit. A long block consists of a and head. Hospitals, Schools, Farms, storage Units, Home Business, Airports, No Truck/Limited Access zones and Military Bases are not accepted as a valid commercially zoned address.

May need to be changed fit your application these items may or not on the engine. All seals, gaskets, and filters MUST replaced prior install. Attached parts Wiring, sensors, fuel systems, manifolds, alternators, starters, ac compressors, power steering pumps, throttles, etc. Are NOT included. All parts are covered by warranty. These engines are sold with the understanding that wiring, sensors, fuel systems, manifolds, etc.

Every part is cleaned, tested and inspected by experts. Parts go back into cars rather than landfill.

part #: 3g120aa price

• $3529.99

specifications grokengines:

• for models: Marauder
• for makes: Mercury
• for years: 2003
• mpn: 3g120aa
• manufacturer warranty: 90 Day
• genuine oem: Yes
• seller notes: 4.6l Pullout W/transmission 111k
• interchange item code: 300
• reference oe/oem: 3g120aa, 4g120aa, 4w7z6007ea
• compatibility: Marauder 03-04, Vin V, 8th Digit
• number of valves: 32
• engine size: 4.6l
• fuel type: Gas
• type: Engine Complete Assembly
• partout id: A-91964786

payments grokengines:

• other
• credit card: Diners-club
• wallet: Google-pay

offer grokengines:

• availability: In Stock
• started: September 24, 2025
• options: Ship-to-home
• sold: 0
• quantity: 1

seller grokengines:

• rating: 98.6%
• city: Mobile, Alabama
• # reviews: 4804

returns grokengines:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

shipping grokengines:

• cost: $0.00
• service: Flat Rate Freight
• type: Fixed
• class: Freight

general grokengines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: Used

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