MERCURY 487276219A4 Steel 19PROPELLERS

( Manufacturer Part Number: 487276219A4 )

Review MERCURY Used Stainless Steel 48 72762 fits A4

The **Mercury 487276219A4 Steel Propeller** is a high-performance, precision-engineered marine propeller designed for optimal efficiency, durability, and reliability in a wide range of outboard motor applications. Crafted from **high-grade steel** specifically **A4 steel** this propeller is built to withstand the harshest conditions, including saltwater corrosion, heavy loads, and prolonged exposure to the elements. The **48-inch diameter** and **72762 pitch** combination make it an ideal choice for mid-sized boats, offering a balanced blend of speed, torque, and fuel efficiency. The **A4 designation** indicates a robust, wear-resistant alloy that enhances longevity while maintaining smooth operation, reducing the risk of premature wear or failure.

This propeller features a **propulsive design** optimized for both performance and fuel savings, with carefully engineered blade contours that minimize cavitation and vibration. The **steel construction** ensures superior strength compared to aluminum or composite alternatives, making it particularly well-suited for high-horsepower outboards where durability is critical. The **72762 pitch** is engineered to deliver a smooth, responsive throttle response, allowing for better control in both planing and deep-V hull configurations. Whether used in fishing boats, cruisers, or performance vessels, this propeller excels in maintaining consistent speed and handling under varying load conditions.

Mercury s reputation for innovation is evident in the **precision machining** of this propeller, where each blade is meticulously balanced and polished to reduce drag and maximize thrust. The **steel material** also provides excellent resistance to pitting and corrosion, a common issue in marine environments, ensuring prolonged service life even in saltwater applications. The **A4 alloy** further enhances its ability to handle high RPMs and heavy loads without deformation, making it a dependable choice for both recreational and semi-professional boating. For owners seeking a propeller that combines strength, efficiency, and long-term reliability, the **Mercury 487276219A4 Steel Propeller** stands out as a premium solution designed to elevate performance and reduce maintenance headaches.

### **Pros and Cons of buying a Mercury 487276219A4 Steel Propeller**

1. **Durability and Strength** The steel construction makes this propeller highly resistant to corrosion, bending, and wear, especially in saltwater or harsh marine environments. Steel is more robust than aluminum, making it suitable for heavy-duty applications.

2. **Long Lateral Life** Steel propellers tend to last longer than their aluminum counterparts, reducing the need for frequent replacements. This can be cost-effective over time, particularly for commercial or high-use vessels.

3. **Better Performance in Rough Conditions** The heavy-duty design helps maintain efficiency even when operating in rough water, reducing the risk of damage from debris or waves.

4. **Compatibility with High-Power Engines** The robust construction can handle higher horsepower applications without deforming, making it a good choice for performance boats or workboats.

5. **Resistance to Cavitation** Steel is less prone to pitting and erosion from cavitation, which can degrade aluminum propellers over time.

6. **Customization Options** Mercury offers various blade designs and sizes to match specific engine and boat configurations, allowing for optimized performance.

7. **Lower Maintenance Costs** While initial costs may be higher, the longevity of steel propellers can reduce long-term maintenance expenses.

---

1. **Higher Initial Cost** Steel propellers are significantly more expensive than aluminum ones, which can be a barrier for budget-conscious buyers.

2. **Heavier Weight** The increased weight can slightly reduce fuel efficiency, especially in smaller boats, as the engine may need to work harder to overcome the additional drag.

3. **Susceptibility to Rust (If Not Properly Maintained)** While steel is corrosion-resistant, improper storage or lack of anti-corrosion treatments (such as paint or coatings) can lead to rust over time.

4. **Potential for Noise** Some users report that steel propellers can generate slightly more noise compared to aluminum, though this varies by design and application.

5. **Limited Availability of Replacement Parts** Compared to aluminum propellers, finding replacement parts or repairs for steel propellers may be more difficult in some regions.

6. **Not Ideal for Lightweight Boats** The extra weight may not be suitable for very small or lightweight vessels, where an aluminum propeller would be more practical.

7. **Potential for Blade Damage in Ice or Extreme Conditions** While durable, steel blades can still chip or crack if they encounter ice, submerged debris, or extreme impacts.

---

The **Mercury 487276219A4 steel propeller** is an excellent choice for **commercial, workboats, or high-performance vessels** where durability, longevity, and resistance to harsh conditions are prioritized. Its superior strength and resistance to corrosion make it ideal for **saltwater use, heavy-duty applications, or boats operating in demanding environments**. However, the **higher upfront cost and added weight** may not justify its purchase for **small recreational boats, budget-conscious buyers, or those prioritizing fuel efficiency**.

If you operate a **boat in saltwater, use it frequently, or need a propeller that will last for years without frequent replacements**, the steel propeller is a strong investment. For **lightweight or occasional-use boats**, an aluminum propeller may be a more practical and cost-effective alternative.

- You need maximum durability and corrosion resistance.

- Your boat operates in saltwater or harsh conditions.

- You want a long-term solution with minimal replacement needs.

- Your engine is high-powered and requires a robust propeller.

- You are on a tight budget and prioritize lower initial costs.

- Your boat is small or lightweight, and weight efficiency is important.

- You primarily use your boat in freshwater with minimal debris risks.

For most **commercial or serious recreational boaters**, the steel propeller s benefits outweigh its drawbacks, making it a worthwhile purchase. However, weigh the trade-offs carefully based on your specific boating needs.

Details:

The product is a set of used Mercury stainless steel propellers with the model number 48 72762 A4 19. These high-quality propellers are designed for boats and known their durability performance.

part #: 487276219a4 prices

• $25.97-$100.00

specifications propboapar:

• for makes: Mercury
• mpn: 487276219a4

general propboapar:

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

payments propboapar:

• credit card: Diners-club
• other
• wallet: Paypal

offer propboapar:

• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0
• started: April 22, 2026

returns propboapar:

• policy: No Returns

seller propboapar:

• city: Killen, Alabama
• rating: 100.0%
• # reviews: 11

shipping propboapar:

• transit: 5-8 Days
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• type: Calculated
• cost: $87.56

Mercury 487276219A4 Is Similar To:

• 033003-1 48-79794a4 Michigan Wheel Mercury Hp Stainless Prop Spline (36.4% similar) 1998 mercury 135 hp optic max stainless steel prop x 17 pitch Rh MN 135XLOP Sn 0G699776 pn, 48-79794A4...(May 5th, 2018)
• 033006-1 Ssm-253 Michigan Wheel Mi Stainless Steel Propeller Mercury (45.1% similar) ...(June 4th, 2018)
• 033012 Michigan Wheel Edge Stainless Steel Propeller Mercury (46.4% similar) Propeller is in great used condition x 21 stainless steel complete with hub...(March 22nd, 2019)
• 033019 Michigan Wheel Mi Stainless Steel Propeller For Mercury (45.7% similar) Looking for a specific propeller. Contact me, I have something almost any application. Marketing, listing apps, application...(July 13th, 2018)
• 033028 Michigan Wheel Stainless Steel Prop For Mercury Spline (39.7% similar) Down the shaft of prop there is surface rust from sitting on garage shelf for years. No scrapes or dings. Bought it for my 98 merc 50HP 4 stroke but its to small. Measures X14 pitch. It fits hp mercury but not mine since its a four stroke so I was told. Part C33028. Would shine up to a mirror finish...(July 22nd, 2018)
• 033029 Mercury Rebuilt Michigan Wheel Stainless Steel Propller Glm (50.4% similar) If a part doesn't work for you any reason let us know. Offers we entertain reasonable. Free shipping is never really. Weights and dimensions are entered for each item. Shipping charges is not negotiable. Less than 1/2 price offers are a waste of our time...(April 24th, 2018)
• 033036 Michigan Wheel Clean Used Mercury Stainless Outboard Propeller (41.8% similar) ...(August 3rd, 2018)
• 033082 Michigan Wheel Rapture Stainless Steel Propeller For Mercury (45.5% similar) Looking for a specific propeller. Contact me, I have something almost any application. Marketing, listing apps, application...(October 30th, 2018)
• 102g9 30nl Unbranded Pitch Stainless Prop Mercury Outboards (36.8% similar) Wont fit I o x 18 pitch stainless 4-BLADE prop for mercury outboards, seams to be in pretty good shape...(September 24th, 2018)
• 106.25 Mercury Outboard Jet Pump Stainless Steel Blade Impeller (53.1% similar) Mercury outboard jet pump stainless steel 3 blade impeller ,25...(August 31st, 2018)
• 108-o32r4e-15 Signature Used Propeller For Mercury Four Blade Eagle Et (25.2% similar) This is a used 15 x 32 four blade signature eagle propeller, race tuned for your 300XS. This is a very nice propeller and runs really well on 300XS optima mercury outboard motors. Offered without a hub kit...(February 26th, 2018)