MERCURY 546.FD3M03 Set Power Brake Accelerator

( Part Type: Brake ), ( Conditions Options: Set Power Adjusting Brake/accelerato ), ( Genuine Oem: Yes ), ( Ipn: 546.fd3m03 ), ( Descriptionpartcondition: 2003 Mercury Marauder Oem Set Power Adjusting Brake Accelerator ), ( Manufacturer Warranty: 90 Day )

Review MERCURY Oem Set Power Adjusting Brake Accelerator fits MARAUDER 2003

The **Mercury 546.FD3M03 2003 Marauder Set** is a meticulously crafted, high-performance replica of one of the most iconic and formidable boats ever produced by Mercury Marine, designed to deliver unparalleled speed, power, and precision for serious anglers and thrill-seekers alike. Engineered with the legendary **546.FD3M03 outboard motor**, this 2003 Marauder Set embodies the raw, aggressive spirit of the original, featuring a robust **300-horsepower inline-six cylinder engine** that roars to life with a deep, resonant growl, capable of propelling the vessel through the water at breathtaking speeds while maintaining exceptional reliability. The **FD3M03** model is renowned for its **direct-drive, single-reduction gearing**, ensuring maximum torque transfer and a seamless power delivery that translates into explosive acceleration and effortless cruising. This set is not merely a motor it s a statement of engineering excellence, built to withstand the demands of saltwater environments, deep-sea fishing excursions, and high-speed chases across open waters.

The **Marauder Set** itself is a complete, ready-to-install package, meticulously assembled to ensure compatibility and ease of installation on a variety of mid-sized to large fishing boats, ranging from 20 to 25 feet in length. The **2003 model year** represents a refined iteration of Mercury s legendary outboard lineup, incorporating advancements in **fuel injection technology**, **electronic ignition**, and **durable marine-grade materials** that enhance performance, fuel efficiency, and longevity. The **power brake accelerator** a hallmark of Mercury s design philosophy provides the operator with precise, responsive control over throttle adjustments, allowing for instantaneous shifts between cruising speeds and full-throttle bursts with minimal effort. This feature is particularly invaluable in dynamic fishing scenarios where quick, decisive maneuvers can mean the difference between landing a trophy catch or losing it to the depths.

Under the hood, the **546.FD3M03** is a marvel of mechanical precision, featuring a **cast-iron cylinder block and head** for superior heat dissipation, paired with **forged steel crankshaft and connecting rods** to endure the relentless stress of high-speed operation. The **direct-drive propeller shaft** eliminates the need for a reduction gearbox, optimizing power transfer and reducing potential points of failure, while the **sealed, maintenance-free lower unit** ensures corrosion resistance and longevity in harsh marine conditions. The engine s **electronic fuel injection system** delivers an optimal air-fuel mixture under all operating conditions, from idle to wide-open throttle, resulting in smoother operation, reduced emissions, and improved fuel economy critical advantages for extended fishing trips where range and efficiency are paramount.

Beyond its raw power, the **Marauder Set** is designed with the practical needs of anglers in mind. The **integrated trim and tilt system** allows for quick adjustments to the boat s ride height, enabling the operator to fine-tune the vessel s performance for speed, fuel efficiency, or stability depending on the conditions. The **marine-grade paint and powder-coated components** provide a durable finish that resists chipping, rust, and corrosion, ensuring the set remains in pristine condition even after years of rigorous use. Additionally, the **comprehensive installation package** includes all necessary hardware, wiring, and mounting brackets, making the transition from old to new motor a straightforward process for even the most inexperienced DIY enthusiasts.

For those seeking a blend of **performance, durability, and timeless design**, the **Mercury 546.FD3M03 2003 Marauder Set** stands as a testament to Mercury Marine s legacy of innovation. Whether hauling a boat through choppy waters, outrunning predators, or simply enjoying the thrill of high-speed cruising, this outboard delivers an unmatched experience that appeals to both seasoned mariners and those new to the world of marine power. With its **unmistakable growl, relentless power, and uncompromising build quality**, this set is not just an engine it s a force to be reckoned with on the water.

### **Pros and Cons of Buying a Mercury 546 FD3M03 (2003 Marauder Set Power Brake Accelerator)**

1. **Classic Design and Prestige** The Mercury Marauder is a well-known luxury cruiser with a distinctive, retro-inspired design that appeals to enthusiasts who appreciate vintage American muscle. Its bold styling and large size give it a commanding presence on the road.

2. **Powerful Engine Options** The 2003 Marauder typically comes with a **5.4L V8 (Vortec 5400)** engine, producing around **285 300 horsepower**, which provides strong towing and hauling capability. Some models may have been equipped with the **LS engine (5.3L or 6.0L)**, offering even more power and better fuel efficiency.

3. **Comfortable Interior** The Marauder features a spacious cabin with plush seating, often with power-adjustable seats, cruise control, and modern amenities like CD players or optional audio systems. The interior is designed for long-distance comfort, making it suitable for road trips.

4. **Reliability of the Ford V8 Platform** The **5.4L Vortec V8** (if equipped) is a durable engine known for longevity, especially when maintained properly. The Ford-based chassis also benefits from a strong aftermarket support system, making repairs and modifications easier.

5. **Towing and Hauling Capability** With proper setup, the Marauder can tow **up to 7,000 8,000 lbs** (depending on configuration), making it a practical choice for those needing a truck for work or recreation.

6. **Customization Potential** The Marauder s design lends itself well to modifications, including **exhaust upgrades, suspension tuning, and performance enhancements**. The aftermarket offers a wide range of parts for tuning and personalization.

7. **Resale Value for Enthusiasts** While not a high-end luxury truck, the Marauder holds a niche appeal among classic truck and muscle car collectors. Well-maintained examples can retain value among enthusiasts.

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1. **High Maintenance Costs** Older trucks, especially those with **high-mileage engines or worn-out suspensions**, can be expensive to maintain. The **5.4L Vortec** is generally reliable, but issues like **timing chain stretch, oil leaks, or transmission problems** (if equipped with an automatic) can add up.

2. **Fuel Efficiency Concerns** The **5.4L V8** gets around **12 15 MPG combined**, which is poor compared to modern trucks. If fuel economy is a priority, this truck may not be ideal.

3. **Rough Ride Quality** The Marauder s **heavy weight and stiff suspension** (especially in stock form) can make for a less comfortable ride on rough roads compared to modern trucks with adaptive suspension systems.

4. **Potential Transmission Issues** Some early **4R70W automatic transmissions** (common in this era) can develop **slippage, rough shifting, or failure** over time. A **rebuilt or upgraded transmission** may be necessary.

5. **Aging Electronics and Safety Features** The truck lacks modern safety tech like **stability control, backup cameras, or advanced driver-assistance systems**. Older wiring harnesses may also be prone to **shorts or failures**.

6. **Limited Modern Comforts** Features like **blind-spot monitoring, lane-keeping assist, or adaptive cruise control** are absent. The cabin may also lack **modern sound insulation**, leading to more road noise.

7. **Parts Availability and Cost** While Ford parts are widely available, **specialty components (e.g., Marauder-specific body panels, rare interior trims)** can be difficult or expensive to source.

8. **Potential Rust Issues** If the truck has been exposed to **salt, moisture, or poor storage**, rust in the **floor pans, frame rails, or suspension components** can be a major concern.

9. **High Purchase Price for Condition** A **well-maintained 2003 Marauder** can cost **$8,000 $15,000 **, depending on mileage and condition. Buying a **project truck** may require significant upfront investment in repairs.

10. **Resale Depreciation** Unlike modern trucks, the Marauder does not retain value well over time. If you plan to sell it later, you may not recover much of the purchase price.

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The **2003 Mercury Marauder (FD3M03, 546 series)** is a **fun, powerful, and stylish truck** that appeals to those who prioritize **classic American muscle, towing capability, and customization potential**. It is best suited for **enthusiasts who enjoy driving a bold, retro-styled truck** and are willing to **invest in maintenance and upgrades** to keep it running smoothly.

However, **modern drivers seeking fuel efficiency, advanced safety features, or a smooth ride** may find it lacking. If you are **not mechanically inclined or unwilling to spend on repairs**, this truck could become a **financial burden** rather than a joy to own.

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- You **love the Marauder s unique look and vintage muscle truck aesthetic**.

- You **plan to use it for towing, hauling, or weekend cruising** rather than daily driving.

- You are **prepared to invest in maintenance, potential transmission/engine work, and upgrades**.

- You **enjoy DIY repairs or have access to a trusted mechanic**.

- You **find a low-mileage example (under 100,000 miles) with a clean service history**.

- You **need a fuel-efficient, modern truck** for daily commuting.

- You **cannot afford unexpected repair costs** (budget **$1,000 $3,000 per year** for maintenance).

- You **prioritize safety features** like stability control, backup cameras, or blind-spot monitoring.

- You **want a truck that holds value** (resale will likely be low).

- You **are not comfortable with older transmission or suspension issues**.

The **2003 Mercury Marauder is a fantastic choice for the right buyer** someone who **values character, power, and customization over modern convenience**. However, it is **not a plug-and-play truck** and requires **attention to detail** to keep it reliable. If you are **passionate about classic trucks and willing to put in the work**, it can be an **incredibly rewarding** purchase. Otherwise, consider a **modern Ford F-150 or Ram 1500** for a balance of power, comfort, and reliability.

Details:

Please see pictures for reference of what is included. 2003 Mercury Marauder OEM Set Power Adjusting Brake Accelerator: Some vehicles have different specs that must be matched to ensure fit. Also, please see our notes for what specific vehicle this item is Examples: Is your a manual or automatic. Orders placed after 2:00 pm CST cannot be guaranteed shipping that day.

These parts are used, therefore, please expect minor plastic wear/surface oxidization. Not just our Heritage, but Legacy 2003 Mercury Marauder OEM Set Power Adjusting Brake Accelerator. Pedals are guaranteed to be non-broken and in good used shape.

specifications pedalspadsaz:

• for models: Marauder
• for makes: Mercury
• part type: Brake
• conditions options: Set Power Adjusting Brake/accelerato
• genuine oem: Yes
• ipn: 546.fd3m03
• descriptionpartcondition: 2003 Mercury Marauder Oem Set Power Adjusting Brake Accelerator
• manufacturer warranty: 90 Day

seller pedalspadsaz:

• city: Mobile, Alabama
• # reviews: 60673
• rating: 99.7%

offer pedalspadsaz:

• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: February 23, 2026
• quantity: 1

returns pedalspadsaz:

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

payments pedalspadsaz:

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

general pedalspadsaz:

• condition: Used
• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

shipping pedalspadsaz:

• transit: 3-7 Days
• service: Standard
• cost: $20.00
• type: Fixed
• class: Standard

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