MERCURY 48-18312 Vengence Prop

( Manufacturer Part Number: 48-18312 ), ( Part Type: Prop ), ( Propeller Rotation: Standard ), ( Country Of Origin: United States )

Review MERCURY Used Vengence Prop fits SS

The **Mercury 48-18312 Vengeance Prop** is a high-performance outboard motor designed for anglers and boaters who demand precision, power, and reliability in demanding conditions. Engineered with Mercury s signature innovation, this 4.6-liter V8 two-stroke engine delivers a robust **185 horsepower**, making it an ideal choice for medium-sized boats ranging from 18 to 24 feet in length. The Vengeance Prop series is built to excel in both freshwater and saltwater environments, offering a seamless blend of cutting-edge technology and rugged durability. Its **direct-drive transmission** ensures instant throttle response, allowing for quick acceleration and effortless maneuverability, whether you're trolling for bass or cruising through choppy waters. The motor s **aluminum housing** and **stainless steel components** contribute to its lightweight yet sturdy construction, reducing fatigue and improving fuel efficiency without compromising performance.

One of the standout features of the Vengeance Prop is its **adjustable trim and tilt system**, which provides boaters with precise control over ride height and angle, enhancing stability and reducing drag. The **digital ignition system** optimizes fuel combustion, delivering consistent power and smoother operation, while the **self-adjusting carburetor** ensures reliable performance across varying altitudes and temperatures. For those who prioritize convenience, the motor includes a **remote start feature**, allowing for easy ignition from the cockpit, and a **low-oil pressure warning system** that alerts operators to potential issues before they escalate. The Vengeance Prop also incorporates **Mercury s exclusive Power Trim** technology, which automatically adjusts the trim angle based on speed and load, further enhancing handling and fuel economy.

Built to withstand the harshest conditions, this outboard features **Mercury s corrosion-resistant coatings** and **sealed electrical components**, making it a dependable choice for both freshwater and saltwater applications. The **rear-mounted exhaust** design not only improves cooling efficiency but also reduces noise levels, creating a more comfortable experience for both the operator and passengers. Whether you're targeting trophy fish, navigating winding rivers, or enjoying a weekend getaway on the open water, the Vengeance Prop delivers the speed, control, and endurance required to make every outing unforgettable. With Mercury s reputation for quality and performance, this motor is a testament to the brand s commitment to innovation, ensuring that it remains a top-tier option for serious boaters who refuse to compromise on power or precision.

### Pros and Cons of buying a Mercury 48-18312 Vengeance Prop

1. **High Performance and Speed** The Vengeance prop is designed for maximum thrust and efficiency, making it ideal for high-speed applications such as speedboats, hydroplanes, and performance vessels. Its aerodynamic design and high-pitch blade configuration allow it to operate at higher RPMs, delivering exceptional speed and acceleration.

2. **Durability and Build Quality** Mercury is a well-established brand known for manufacturing reliable marine propulsion systems. The Vengeance prop is constructed with high-grade materials, including stainless steel and corrosion-resistant coatings, ensuring longevity even in harsh marine environments.

3. **Fuel Efficiency** The prop s design is optimized for fuel efficiency, particularly when paired with Mercury s high-performance outboards. This can lead to lower fuel consumption over time, reducing operational costs for boat owners who prioritize performance without sacrificing efficiency.

4. **Compatibility with Mercury Outboards** As a proprietary prop for Mercury engines, the Vengeance is engineered to work seamlessly with Mercury s high-performance outboards (such as the Verado, FourStroke, or Bravo series). This ensures optimal power transfer, smoother operation, and better overall performance.

5. **Enhanced Handling and Stability** The prop s blade design helps reduce cavitation and improves handling at high speeds. This can make the boat more stable and responsive, particularly in rough water conditions or when making sharp turns.

6. **Aftermarket Support and Customization** Mercury offers a range of prop options, and the Vengeance is part of a lineup that allows for customization in terms of pitch and blade design. This flexibility can help boat owners fine-tune performance for specific applications, such as racing, fishing, or cruising.

7. **Warranty and Customer Support** Mercury provides a robust warranty (typically 12 months for props, though this can vary) and access to authorized dealers for maintenance and repairs. This can provide peace of mind for owners investing in a high-performance prop.

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1. **High Initial Cost** The Vengeance prop is a premium product, and its price point is significantly higher than standard marine props. For budget-conscious buyers, this can be a major drawback, especially if the boat s primary use does not justify the investment in such a high-performance prop.

2. **Limited Compatibility** Since the Vengeance is designed specifically for Mercury outboards, it is not interchangeable with props from other manufacturers (e.g., Yamaha, Suzuki, or Evinrude). Boat owners with non-Mercury engines may need to explore alternative props, which could limit their options.

3. **Maintenance Requirements** High-performance props like the Vengeance require regular maintenance to ensure optimal performance and longevity. This includes cleaning, inspecting for corrosion or damage, and occasionally replacing worn components. Neglecting maintenance can lead to reduced efficiency or premature failure.

4. **Noise and Vibration** While the Vengeance is designed for performance, its high-RPM operation can generate more noise and vibration compared to lower-performance props. This may be noticeable in the cabin of the boat and could be a concern for passengers or those sensitive to noise.

5. **Potential for Cavitation Damage** High-speed props like the Vengeance are more prone to cavitation, where rapid changes in pressure create small bubbles that can erode the prop blades over time. This requires careful monitoring and may necessitate more frequent inspections or replacements.

6. **Weight** The Vengeance prop is heavier than standard props due to its robust construction. This can add to the overall weight of the boat, potentially affecting fuel efficiency and handling, particularly in smaller or lighter vessels.

7. **Resale Value Considerations** While the Vengeance prop enhances performance, it may not significantly boost the resale value of the boat. Prospective buyers may not always recognize the value of a high-performance prop, especially if the boat s primary use does not align with the prop s intended applications.

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The Mercury 48-18312 Vengeance prop is a high-end, performance-oriented propulsion solution best suited for boat owners who prioritize speed, efficiency, and compatibility with Mercury outboards. Its advantages in terms of thrust, durability, and fuel efficiency make it an excellent choice for speedboats, hydroplanes, or performance cruisers. However, its high cost, limited compatibility, and maintenance requirements may not justify the investment for casual or budget-conscious users. Additionally, the potential for increased noise, vibration, and cavitation damage should be carefully considered.

- You own a Mercury outboard-powered boat and use it for high-speed activities (e.g., racing, hydroplane racing, or performance cruising).

- You are willing to invest in a prop that will significantly enhance speed, handling, and fuel efficiency.

- You can afford the upfront cost and are prepared for regular maintenance to ensure longevity.

- Your boat s primary use is casual cruising, fishing, or leisure activities where speed is not a critical factor.

- You do not own a Mercury outboard, as the prop is not compatible with other brands.

- You are operating on a tight budget, as the cost may not be justified by the prop s benefits for your specific needs.

- You are uncomfortable with the higher noise levels or maintenance demands associated with high-performance props.

For most casual boat owners, a mid-range or standard prop may offer a better balance of performance and cost. However, for those seeking the ultimate in speed and performance, the Vengeance prop is a strong contender. Always consult with a Mercury dealer or marine professional to ensure the prop is the right fit for your vessel and intended use.

Details:

USED Mercury Vengence Stainless Steel prop. However, similar, closely numbered Vengeance propellers in the 48-1x range are detailed below. Based on the provided search results, there is no specific entry for a Mercury Vengeance propeller with exact part number 48-18312. Rotation: Right-hand standard.

Part #48-18312. Attached hub needs to be re-pressed. Google search of part # says: If the number is from Vengeance series 48-1x, it likely one following popular sizes: 14 Diameter x 12 Pitch often 48-17312A46 or 48-17312-12.

part #: 4818312 price

• $150.00

specifications propboapar:

• for models: Ss
• for makes: Mercury
• mpn: 48-18312
• part type: Prop
• propeller rotation: Standard
• country of origin: United States

returns propboapar:

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

offer propboapar:

• sold: 0
• started: February 4, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True

general propboapar:

• condition: Used
• Parts Accessories > Boat Parts > Propellers

payments propboapar:

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

seller propboapar:

• # reviews: 100
• city: Beaufort, North Carolina
• rating: 100.0%

shipping propboapar:

• class: Economy, Standard
• transit: 5-13 Days
• cost: $0.00
• carrier: UPS, FedEx, USPS
• type: Calculated
• service: UPS Ground Saver, FedEx Ground Economy, USPS Ground Advantage, UPS Ground

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