OMC 50FACPMDA Boat Engine Salt Hrs 5.0 V8

( Manufacturer Part Number: 50FACPMDA ), ( Part Type: Engine ), ( Stroke: 4-stroke ), ( Country Of Origin: United States )

Review OMC 5.0 V8 Boat Engine No Salt Hrs Drop In Ready Complete fits COBRA MARINE

The **OMC 50FACPMDA Cobra 5.0L V8 Marine Engine** is a robust and high-performance powerplant designed to deliver unmatched reliability, efficiency, and raw horsepower for both recreational and performance-driven boats. Built upon OMC s legendary Cobra platform, this 5.0-liter V8 engine combines cutting-edge marine engineering with a legacy of durability, making it an ideal choice for serious anglers, speed enthusiasts, and boat owners seeking a balance between power and longevity. With a displacement of 5,000 cubic centimeters, this liquid-cooled, direct-injection engine produces a staggering amount of torque and horsepower, ensuring effortless acceleration, smooth cruising, and the ability to tackle even the most demanding tasks on the water. Its compact yet powerful design allows for easy installation in a variety of hull configurations, from mid-size fishing boats to high-performance speedboats, while its robust construction featuring forged crankshafts, high-strength connecting rods, and precision-machined cylinder heads ensures resilience against the harshest marine environments.

One of the standout features of the Cobra 5.0 is its **500 saltwater hours (SWH) warranty**, a testament to OMC s confidence in its engineering and build quality. This extended coverage period reflects the engine s ability to withstand prolonged exposure to saltwater corrosion, a common challenge in marine applications. The engine is equipped with a **direct-injection fuel system**, which enhances fuel efficiency, reduces emissions, and provides superior throttle response, allowing for precise control whether you're trolling at low speeds or revving the engine for high-speed runs. Its **electronic fuel injection (EFI)** technology ensures optimal air-fuel mixture delivery, minimizing carbon buildup and maximizing power output across the entire RPM range. Additionally, the Cobra 5.0 features a **dual-plane intake manifold**, which improves airflow and contributes to a smoother, more responsive power delivery, making it a favorite among those who demand both performance and refinement.

For ease of use and maintenance, the engine is designed with **user-friendly features** that simplify operation and upkeep. Its **digital engine control module (ECM)** provides real-time diagnostics, allowing boat owners to monitor performance metrics and address potential issues before they escalate. The engine also incorporates **advanced cooling systems**, including a high-capacity water pump and optimized heat exchangers, to prevent overheating even under the most demanding conditions. The **cobra-specific drivetrain** integrates seamlessly with OMC s range of transmissions, including the popular **Cobra 5000 series**, ensuring smooth gear shifts and optimal power transfer. Whether paired with a direct-drive setup or a step-up transmission, this engine delivers a seamless power delivery experience that enhances handling and maneuverability on the water.

Built to endure the rigors of saltwater environments, the Cobra 5.0 is constructed with **marine-grade materials** and **corrosion-resistant coatings** applied to critical components, including the cylinder block, crankcase, and exhaust manifolds. The engine s **sealed-for-life** components, such as the **alternator, water pump, and tensioner**, reduce the need for frequent servicing, while its **easy-access service panels** make routine maintenance tasks, like oil changes and filter replacements, straightforward and efficient. The engine s **quiet operation** and **vibration-dampening features** contribute to a more comfortable ride, reducing fatigue during long days on the water. Whether you're hauling heavy loads, towing trailers, or simply enjoying a day of leisure, the Cobra 5.0 provides the power and reliability needed to make every outing exceptional.

In summary, the **OMC 50FACPMDA Cobra 5.0 V8 Marine Engine** is a powerhouse designed for those who demand nothing less than excellence from their marine propulsion system. With its **500 saltwater hours warranty**, **direct-injection fuel system**, and **robust construction**, this engine redefines what it means to combine performance with longevity. Whether you're an avid angler, a speedboat enthusiast, or a boat owner seeking a dependable workhorse, the Cobra 5.0 delivers the torque, efficiency, and durability required to conquer any marine adventure with confidence. Built to last and engineered for power, it stands as a testament to OMC s commitment to innovation and quality in the marine industry.

### **Pros and Cons of Buying a Used OMC 50FACPMDA (Cobra 5.0 V8 Marine Engine with Saltwater Hours)**

1. **Power and Performance** The 5.0L V8 engine delivers strong horsepower (around 300 350 HP, depending on model year and tuning), making it suitable for mid-sized to large boats, including center console, bowrider, and cabin cruisers. Its V8 configuration provides smooth power delivery and good acceleration.

2. **Durability and Reliability** OMC (Outboard Marine Corporation) engines, particularly the older 5.0L V8 models (such as the Cobra series), are known for their robust construction. With proper maintenance, these engines can last for decades, even with saltwater use.

3. **Aftermarket Support** The 5.0L V8 is a well-documented engine with a strong aftermarket presence. Parts (including gaskets, seals, and performance upgrades) are widely available, and tuning options (like ECU remaps) can improve performance and fuel efficiency.

4. **Compatibility** This engine is designed for a variety of boat types, including those with sterndrive or inboard/outboard (I/O) setups. It pairs well with transmissions like the Mercury 2100 or 2200 series, offering smooth power transfer.

5. **Resale Value** Older OMC V8 engines, especially well-maintained ones, retain decent resale value compared to newer, less proven models. Buyers looking for a balance between power and longevity often seek these engines.

6. **Fuel Efficiency (Compared to Similar Engines)** While not the most fuel-efficient option, the 5.0L V8 is more economical than some larger V8s (e.g., 5.7L or 6.0L) and can handle long cruising trips better than smaller four-cylinder engines when properly tuned.

7. **Classic Boat Appeal** For enthusiasts restoring or modifying classic boats (e.g., 1990s 2000s models), the 5.0L V8 is a popular choice due to its blend of power and reliability.

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1. **High Maintenance Requirements** Saltwater use accelerates wear on critical components like the lower unit, water pump, and cooling system. Regular flushing, seal replacements, and corrosion prevention (e.g., zincs, corrosion inhibitors) are essential to avoid costly failures.

2. **Age-Related Wear** Even with saltwater hours, the engine may have accumulated wear in the crankshaft bearings, camshaft lobes, or cylinder walls. A pre-purchase inspection (PPI) is crucial to assess internal condition.

3. **Fuel and Oil Consumption** Older V8 engines can develop oil leaks (valve cover, oil pan, or rear main seal) and may burn oil if the rings or valves are worn. Fuel efficiency can degrade over time, especially if the engine isn t tuned or if the carburetion (if carbureted) is outdated.

4. **Electrical and Tuning Issues** Some 5.0L V8 models (particularly pre-2000) may have outdated electrical systems or require ECU tuning to optimize performance. Aftermarket ECUs or remaps can help, but they add complexity and cost.

5. **Lower Unit Concerns** The lower unit (gearcase) is a common failure point in saltwater engines. Over time, the gears and bearings can wear, leading to leaks or loss of power. Rebuilding or replacing the lower unit can be expensive.

6. **Emissions and Modern Compliance** Newer boats may require engines that meet stricter emissions standards (e.g., EPA Tier 3). While the 5.0L V8 can be modified to meet these standards, it may not be as straightforward as buying a newer, compliant engine.

7. **Parts Availability** While parts exist, some original OEM components (e.g., specific gaskets, seals, or sensors) may become harder to find over time. Buyers should ensure they have a backup supply or can source aftermarket alternatives.

- **Cylinder head or block cracks** (common in aluminum blocks with saltwater exposure).

- **Rod or crankshaft wear** (leading to oil consumption or catastrophic failure).

- **Cooling system failures** (water pump, impeller, or thermostat issues).

- **Transmission problems** (if paired with an older Mercury 2100/2200, syncro issues or bearing wear can occur).

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### **Conclusion**

The **OMC 50FACPMDA Cobra 5.0 V8** is a capable, power-rich marine engine that remains a favorite among boat owners who prioritize durability and performance. It excels in applications where raw power and longevity are valued, such as in classic or heavily used boats. However, its age and saltwater exposure introduce significant maintenance challenges, particularly with the lower unit, seals, and internal components.

For buyers with mechanical experience or access to a trusted mechanic, this engine can be a **cost-effective powerplant** if properly inspected and maintained. Those without such resources may find newer, more reliable (though less powerful) alternatives more practical.

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### **Recommendation**

- **Buy the engine** if you can afford the upfront cost of a **pre-purchase inspection (PPI)** and are prepared for potential repairs (e.g., lower unit rebuild, head gasket replacement, or transmission work).

- Focus on engines with **under 1,500 saltwater hours** and verify service records for regular maintenance (oil changes, cooling system flushes, etc.).

- Consider **performance upgrades** (ECU tune, upgraded exhaust, or fuel system mods) to improve reliability and efficiency.

- **Avoid this engine** unless you re willing to budget for **unexpected repairs** or have a mechanic you trust to oversee the purchase.

- **Mercury Verado 300/400** (more fuel-efficient, better emissions compliance).

- **Yamaha F200/F300** (known for durability and lower maintenance).

- **Volvo Penta D6/D8** (if you need inboard power with better longevity).

- If you re set on a V8, consider a **lesser-used but newer model** (e.g., a 2010s-era OMC 5.0 with fewer saltwater hours).

- **Always get a PPI** from a marine mechanic specializing in OMC engines.

- **Test the engine** under load (e.g., at a marina or with a trailer test) to check for leaks, rough idling, or power loss.

- **Negotiate price** based on the inspection findings don t pay full asking price if major work is needed.

- **Budget for a rebuild or replacement** of the lower unit and critical seals within the first 1 2 years of ownership if saltwater hours are high.

**Final Verdict:** The OMC 5.0 V8 is a **high-reward, high-maintenance** choice. It s ideal for those who want power and don t mind the upkeep, but it s not the best fit for casual or first-time buyers. Prioritize condition, service history, and mechanical support before committing.

Details:

Serious inquiries only. Key Details: 333 hours Very low time for a Marine engine. For Sale: OMC Cobra 5.0 EFI Marine Engine Low Hours. Great candidate for a boat re power, rebuild, or parts engine.

Electronic Fuel Injection EFI for reliable starting and smooth performance. Mounted on a sturdy wood en pallet for easy transport. Runs strong and shows good care. Includes complete engine with intake, exhaust manifolds, alternator, starter, power steering pump, and all visible accessories as shown.

Cobra 5.0 bodging on the valve cover / flame arrest. Complete OMC Cobra 5.0 Liter EFI Ford 302-based stern drive / inboard-outboard Marine engine.

part #: 50facpmda prices

• $65.54-$4999.99

specifications completegengin:

• for models: Marine, Cobra
• for makes: Omc
• mpn: 50facpmda
• part type: Engine
• stroke: 4-stroke
• country of origin: United States

offer completegengin:

• best offers: True
• options: Ship-to-home
• quantity: 1
• started: June 9, 2026
• sold: 0
• availability: In Stock

seller completegengin:

• city: Oregon City, Oregon
• # reviews: 682
• rating: 97.7%

returns completegengin:

• policy: No Returns

general completegengin:

• condition: Used
• Boat Parts > Inboard Engines Components > Complete Gas Engines

shipping completegengin:

• type: Fixed
• cost: $250.00
• class: Freight
• service: Flat Rate Freight

payments completegengin:

• other
• credit card: Discover
• wallet: Google-pay

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