MERCURY 8M0005800 Verado Oil Cover 350HP

( Manufacturer Part Number: 8M0005800 ), ( Part Type: Oil Cover ), ( Country Of Origin: United States )

Review MERCURY Used Oem Verado Oil Cover 350hp

The **Mercury 8M0005800 Verado Oil Cover** is a meticulously engineered, high-performance component designed exclusively for the legendary **Mercury Verado outboard engines**, specifically tailored for models producing **350 horsepower**. Crafted from premium, marine-grade materials, this oil cover is built to withstand the rigorous demands of both recreational and professional boating applications, ensuring optimal engine protection and longevity. The cover features a **durable, corrosion-resistant design** with precision-machined edges and reinforced mounting points, allowing for a secure and leak-free fit that minimizes the risk of oil leaks even under the most demanding operating conditions. Its **sleek, aerodynamic shape** not only enhances the engine s streamlined appearance but also contributes to improved airflow and cooling efficiency, helping to maintain peak performance in various water temperatures and load scenarios. Engineered with **high-quality rubber gaskets**, the oil cover provides an airtight seal, preventing contaminants from entering the engine while reducing noise and vibration transfer, which in turn enhances rider comfort and overall ride quality. Whether deployed in the open ocean, on a busy lake, or during high-speed cruising, this oil cover is a testament to Mercury s commitment to durability and performance, ensuring that your Verado 350HP engine operates at its best while minimizing maintenance hassles. Ideal for both new installations and replacements, this part is a critical component for maintaining the reliability and efficiency of one of Mercury s most powerful and versatile outboard engines.

### **Pros and Cons of Buying a Mercury 8.0L V8 Verado (Model 8M0005800) with Oil Cover and 350 HP**

#### **Pros**

1. **Power and Performance**

The 8.0L V8 engine delivers **350 horsepower**, making it one of the most powerful outboard motors in its class. This provides strong acceleration, high-speed capability, and better towing and planing performance compared to smaller engines.

2. **Reliability and Durability**

Mercury s 8.0L V8 engines are known for their robustness, especially in the **Verado series**, which is designed for heavy-duty use. With proper maintenance, this engine can last for many years, even in demanding conditions like fishing, towing, or long-distance cruising.

3. **Fuel Efficiency (Relative to Size)**

While not as fuel-efficient as smaller outboards, the 8.0L V8 still offers better mileage than larger marine diesel engines. It typically consumes around **15 20 gallons per hour** at full throttle, which is reasonable for its power output.

4. **Versatility**

- **Mid-sized cruisers (30 40 ft)**

- **Performance fishing boats**

- **Trawlers and offshore vessels**

- **Boats requiring heavy towing (e.g., wakeboarders, skiers, or small boats)**

The oil cover suggests it may have been lightly used or well-maintained, reducing the risk of hidden mechanical issues.

5. **Aftermarket Support**

Mercury s 8.0L V8 is a popular engine, meaning parts, service manuals, and performance upgrades (e.g., exhaust, fuel systems, or ECU tuning) are widely available. This makes repairs and modifications easier and more cost-effective.

6. **Lower Operating Costs Than Diesel**

Compared to marine diesel engines of similar power, the 8.0L V8 typically costs less in fuel and maintenance, though it may require more frequent oil changes and spark plug replacements.

7. **Resale Value**

Mercury s reputation for quality means that well-maintained 8.0L Verado engines hold their value reasonably well, especially if they come with a clean service history.

---

#### **Cons**

1. **High Initial Cost**

A **350 HP Mercury 8.0L V8 Verado** is an expensive engine, especially if it s a newer model or comes with additional features (e.g., trim tabs, digital dash, or premium cooling systems). Used units can still be costly, particularly if they re in good condition.

2. **Fuel Consumption**

While better than diesel, the 8.0L V8 burns **significant amounts of gasoline**, especially at high speeds. Owners should budget for frequent refueling, particularly for long trips or heavy use.

3. **Maintenance Requirements**

- **Oil and Filter Changes:** Must be done every **50 100 hours** (or annually) to prevent sludge buildup.

- **Spark Plugs:** Require replacement every **100 200 hours**.

- **Cooling System:** Saltwater corrosion is a risk, so frequent flushing and maintenance are necessary.

- **Exhaust and Intake:** Can clog over time, requiring cleaning or replacement.

- **Electronics:** The digital dash and sensors may need occasional recalibration.

4. **Noise and Vibration**

An 8.0L V8 is inherently louder and more vibration-prone than smaller outboards. This can be less comfortable for passengers and may require soundproofing or vibration dampeners.

5. **Weight and Installation Complexity**

The engine is **heavy (over 600 lbs)**, which can add stress to the boat s transom and require a sturdy mounting system. Installation may require professional help, especially if the boat wasn t originally designed for such a large engine.

6. **Potential for Hidden Issues**

- **Oil Cover:** While this suggests the engine was used lightly, it could also mean it was stored improperly (e.g., without fuel stabilizer, leading to varnish buildup).

- **Service History:** Without a full maintenance log, there s a risk of undetected problems like worn bearings, timing chain issues, or fuel system clogs.

- **Water Damage:** If the engine was exposed to saltwater without proper flushing, corrosion could be an issue.

7. **Environmental Concerns**

Gasoline engines produce more emissions than diesel or electric alternatives. Some marinas or eco-sensitive areas may have restrictions on high-HP gas outboards.

8. **Resale Depreciation**

While Mercury engines hold value, an 8.0L V8 may depreciate faster than newer, more fuel-efficient models (e.g., Mercury s newer **ProX3** or **Verado 4.6L** turbocharged engines).

---

### **Ending Conclusion**

The **Mercury 8.0L V8 Verado (350 HP) with an oil cover** is a **powerful, reliable, and versatile** choice for boat owners needing strong performance for cruising, fishing, or towing. It excels in **raw power, durability, and aftermarket support**, making it ideal for those who prioritize speed and towing capability over fuel efficiency.

However, the **high upfront cost, maintenance demands, and fuel consumption** make it a better fit for **serious boaters** rather than casual users. If the engine has a **clean history (proper oil changes, no saltwater exposure, and no signs of neglect)**, it can be a **great long-term investment**. But buyers should **inspect it thoroughly** (or have a marine mechanic do so) to avoid hidden issues.

---

### **Recommendation**

You need **high horsepower** for a **mid-sized to large boat** (30 ft).

You **use your boat frequently** for **fishing, towing, or long-distance cruising**.

You re **prepared for regular maintenance** (oil changes, spark plugs, cooling system care).

The engine has a **verifiable service history** (or you re willing to invest in a pre-purchase inspection).

You **don t mind higher fuel costs** in exchange for power and reliability.

You re a **casual boater** who only uses the boat a few times a year.

You **can t afford** the **fuel and maintenance costs** associated with an 8.0L V8.

The engine has **no service records**, and you **can t get a professional inspection**.

You re looking for **better fuel efficiency** (consider a **turbocharged 4.6L Verado** or diesel alternative).

The boat s **transom or mounting system** isn t strong enough to handle the weight.

For the right buyer a **serious, well-prepared boater** this engine offers **excellent value in raw performance and longevity**. However, it s **not a "set-and-forget" purchase**; it demands **attention to maintenance** to avoid costly repairs. If you can meet those requirements, it s a **strong choice**. If not, consider a **smaller but still powerful** Mercury outboard (e.g., 4.6L turbo) or a **well-maintained used diesel** for better efficiency.

Details:

Please verify this part will work for your application. This is a used OEM Mercury Verado Oil Cover 350HP, Manufacturer: Verado, Manufacturer Part Number: 8M00058 item was removed from 350HP SCI, but in working Condition, Note: part. Please see pictures for details.

part #: 8m0005800 price

• $59.99

specifications ouboaen:

• for makes: Mercury
• mpn: 8m0005800
• part type: Oil Cover
• country of origin: United States

returns ouboaen:

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

shipping ouboaen:

• carrier: UPS
• transit: 5-11 Days
• type: Calculated
• cost: $0.00
• class: Standard
• service: UPS Ground

payments ouboaen:

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

offer ouboaen:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: April 3, 2026
• quantity: 1

seller ouboaen:

• city: Bradenton, Florida
• # reviews: 7022
• rating: 99.7%

general ouboaen:

• condition: Used
• Boat Parts > Outboard Engines Components > Complete Outboard Engines

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