MERCURY 4888442 Steel Outboard Boat Propeller Rh 13X19 40-140HP 15T

( Manufacturer Part Number: 4888442 ), ( Spline Tooth: 15 ), ( Warranty: 90 Day ), ( Color: Silver ), ( Material: Stainless Steel ), ( Propeller Pitch: 19 ), ( Propeller Rotation: Standard ), ( Rotation: Right ), ( Type: Outboard Propeller ), ( Compatibility: 40-140hp Propeller For Mercury ), ( Country Of Origin: China ), ( Diameter: 13 )

Review MERCURY Used 13x19 Stainless Steel Outboard Boat Propeller 40-140hp 15t Rh

The **Mercury 4888442 13x19 Steel Outboard Propeller** is a high-performance, heavy-duty marine propeller designed specifically for Mercury outboards ranging from **40 to 140 horsepower**, making it an ideal choice for boats requiring both reliability and efficiency. Crafted from **high-grade, corrosion-resistant steel**, this propeller is engineered to withstand the demands of frequent use in saltwater, freshwater, and mixed environments, ensuring long-lasting durability without compromising performance. With a **13-inch diameter and 19-inch pitch**, this propeller strikes an optimal balance between acceleration and cruising speed, delivering smooth, responsive power transfer while maintaining exceptional fuel efficiency. Its **15-tonne (15t) rating** indicates a robust construction capable of handling heavy loads, making it well-suited for fishing boats, utility vessels, and performance-oriented applications where consistent thrust and durability are critical.

The propeller s **precision-machined blades** feature a sleek, aerodynamic design that minimizes cavitation and vibration, reducing wear on the outboard motor while enhancing overall propulsion efficiency. This design also contributes to quieter operation, allowing for a more comfortable ride and reduced noise pollution an important consideration for both recreational and commercial users. The **steel construction** provides superior strength compared to aluminum or bronze propellers, making it resistant to dents, warping, and corrosion, even in harsh conditions. Whether used for towing, planing, or deep-sea fishing, this propeller ensures consistent performance across a wide range of power outputs, adapting seamlessly to different load conditions.

For boat owners seeking a **versatile, long-lasting propeller** that maximizes power delivery and minimizes maintenance, the Mercury 4888442 is an excellent investment. Its compatibility with Mercury s extensive line of outboards ensures a perfect fit, while its **universal application** from smaller utility boats to mid-sized performance vessels makes it a practical choice for a variety of marine applications. Whether you prioritize speed, towing capacity, or fuel savings, this propeller delivers a reliable, high-performance solution built to endure the rigors of daily use on the water.

### Pros and Cons of buying a Mercury 4888442 (13x19 Steel Outboard Propeller for 40-140hp, 15-T)

1. **Compatibility with Mercury Engines** This propeller is specifically designed for Mercury outboards in the 40-140hp range, ensuring optimal performance and efficiency. Mercury engines are known for their reliability, and a matched propeller will enhance throttle response and fuel economy.

2. **Durability and Strength** Made from high-quality steel, this propeller is built to withstand heavy loads, frequent use, and rough conditions. Steel propellers are less prone to warping or bending compared to aluminum, making them ideal for boats that carry heavy loads or operate in demanding environments.

3. **Efficient Performance** The 15-ton (15T) pitch is well-suited for boats in this power range, offering a balance between speed and towing capacity. A properly matched propeller improves acceleration, top-end speed, and overall handling, especially for fishing boats, wakeboarders, or utility boats.

4. **Long Lifespan** Steel propellers generally last longer than aluminum ones, reducing the need for frequent replacements. This makes them a cost-effective choice in the long run, particularly for boats used regularly.

5. **Better Towing and Handling** The design of this propeller is optimized for boats that may tow skiers, wakeboarders, or small watercraft. It provides better control and reduces strain on the engine when under load.

6. **Resistance to Corrosion** While steel can rust if not properly maintained, high-quality marine-grade steel propellers are treated to resist corrosion better than standard aluminum. Regular cleaning and anti-fouling measures will extend its lifespan.

7. **Compatibility with Various Boat Types** This propeller works well for a range of boat styles, including bass boats, center consoles, and utility boats, making it a versatile choice for different applications.

---

1. **Higher Initial Cost** Steel propellers are generally more expensive upfront compared to aluminum propellers. While they last longer, the initial investment may be a deterrent for budget-conscious buyers.

2. **Weight** Steel propellers are heavier than aluminum ones. This added weight can slightly reduce maneuverability, especially in smaller boats or when making tight turns. However, the difference is usually negligible for most applications.

3. **Maintenance Requirements** Steel propellers require more maintenance to prevent rust and corrosion. Owners must regularly clean the propeller, apply protective coatings, and inspect it for damage after use in saltwater or rough conditions.

4. **Potential for Damage** While durable, steel propellers can still suffer from impacts with debris, rocks, or other objects. Unlike aluminum, which may bend, a steel propeller can crack or break under extreme stress, leading to costly repairs or replacements.

5. **Less Flexibility for Engine Upgrades** If you plan to upgrade your engine in the future, you may need to replace the propeller to match the new horsepower range. A propeller designed for 40-140hp may not perform optimally on a significantly larger or smaller engine.

6. **Noise and Vibration** Steel propellers can sometimes produce more noise and vibration compared to aluminum, especially at higher speeds. This may affect passenger comfort, though modern designs have mitigated this issue to some extent.

7. **Limited Availability of Replacement Parts** While not a common issue, some specialized propellers may have fewer aftermarket parts or customization options compared to more widely used models.

---

The Mercury 4888442 (13x19 steel propeller) is an excellent choice for boat owners operating Mercury outboards in the 40-140hp range, particularly those who prioritize durability, towing performance, and long-term reliability. Its steel construction ensures it can handle heavy loads and rough conditions better than aluminum alternatives, making it ideal for fishing boats, wakeboarders, or utility boats. However, the higher upfront cost, increased weight, and maintenance requirements must be considered. If you plan to use your boat frequently, especially in demanding conditions, the investment in a steel propeller is justified by its longevity and performance.

For boats that see heavy use, tow frequently, or operate in harsh environments, this propeller is highly recommended. If you are on a tight budget or plan to use the boat sparingly, an aluminum propeller might be a more cost-effective alternative, though it may require more frequent replacements.

- You have a Mercury outboard in the 40-140hp range.

- You frequently tow or carry heavy loads.

- You prioritize durability and long-term performance over initial cost.

- Your boat operates in conditions that could damage a lighter propeller (e.g., rocky areas, heavy fishing).

- You are operating on a tight budget and can opt for an aluminum propeller instead.

- Your boat is rarely used or operates in very light conditions.

- You plan to frequently upgrade your engine and may need a different propeller pitch in the future.

For most serious boaters in the specified power range, this propeller is a solid, high-performance choice that will serve well for years with proper care.

Details:

Used 13x19 Stainless Steel Outboard Boat Propeller for Mercury 40-140HP 15T, RH.

part #: 4888442 prices

• $100.00-$325.00

specifications propboapar:

• for makes: Mercury
• mpn: 4888442
• spline tooth: 15
• warranty: 90 Day
• color: Silver
• material: Stainless Steel
• propeller pitch: 19
• propeller rotation: Standard
• rotation: Right
• type: Outboard Propeller
• compatibility: 40-140hp Propeller For Mercury
• country of origin: China
• diameter: 13

seller propboapar:

• # reviews: 0
• rating: 0.0%
• city: Cocoa, Florida

shipping propboapar:

• cost: $96.60
• service: USPS Ground Advantage
• transit: 5-9 Days
• class: Standard
• carrier: USPS
• type: Calculated

payments propboapar:

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

general propboapar:

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

offer propboapar:

• best offers: True
• started: February 21, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1

returns propboapar:

• policy: No Returns

Mercury 4888442 Is Similar To:

• 00829al Unbranded Aluminum Mercury Skeg For 8059617817848 (23.8% similar) Condition is new with free shipping. This is a aluminum mercury keg for F25-F50...(February 7th, 2019)
• 031021 Michigan Wheel Aluminum Propeller For Mercury (37.7% similar) New but a few nicks and scratches from sitting in storage for years. Was a spare...(October 31st, 2018)
• 031027 Michigan Wheel Mercury Propeller Pitch Rh Prop Rebuilt (29.9% similar) Most of my vintage items need cleaned as I sell them in found condition. Mercury propeller 13. Don't hesitate to make me an offer. I do combine shipping...(April 24th, 2018)
• 031053 Michigan Wheel Mercury Force Outboard Aluminum Propeller Blue (39% similar) New prop with a couple small nicks from being moved around. Clean, quality, inspected parts...(July 18th, 2018)
• 031057 Michigan Wheel Mercury Boat (20% similar) X 13P right hand aluminum 70HP. With a new tab washer...(January 23rd, 2018)
• 031061 Michigan Wheel Aluminum Propeller For Mercury (37.7% similar) Contact me, I have something almost any. Marketing, listing apps, application...(June 15th, 2018)
• 031068 Michigan Wheel Match Propeller Rh Mercury Mariner Hp Part (33.3% similar) Comes with accessories pictured...(August 31st, 2018)
• 031143 Michigan Wheel Match Propeller For Mercury Mariner Searay (38.7% similar) ...(December 22nd, 2018)
• 031341 Michigan Wheel Mercury Outboard New (28.1% similar) New profits: Yamaha and 115HP some us marine force 90-120HP 150HP mercury outboard 6CYL 140HP 6 Cl 90HP 1987 up...(May 28th, 2018)
• 032043 Michigan Wheel Pitch Alum Prop For Mercury Mariner Hp Outboards (28.2% similar) Passes savings along to you, in form of high quality, better performing typically costs less than motor manufacturer you. Re replacing model thru exhaust rubber system built in requires no kit this following mercury mariner outboards: MARINER-40. The pitch of propeller is extremely important...(March 11th, 2018)
• 032044 Michigan Wheel Pitch Alum Prop For Mercury Mariner Hp Outboards (28.2% similar) Passes savings along you, in form of high quality, better performing that typically costs less than motor manufacturer you're replacing. The pitch of propeller is extremely important...(May 10th, 2018)