MERCURY 48-879334A40 Propeller Outboard Motor 40HP 3/8 13P

( Manufacturer Part Number: 48-879334A40 ), ( Part Type: Propeller Motor ), ( Propeller Pitch: 13.5 ), ( Country Of Origin: United States )

Review MERCURY 40hp Alum Propeller 3/8 Inch 13p Outboard Motor fits FORCE 1993–2010

The **Mercury 48-879334A40 1993 Force 40HP Aluminum Propeller (10 3/8" x 13 Pitch)** is a meticulously engineered marine propeller designed to deliver exceptional performance, reliability, and durability for Mercury outboard motors, particularly those in the 40 horsepower range from the early 1990s. Crafted from high-grade aluminum, this propeller is built to withstand the rigors of saltwater corrosion, frequent use, and varying load conditions, ensuring long-lasting performance even in demanding marine environments. The **10 3/8-inch diameter** blade design strikes an optimal balance between acceleration and top-end speed, making it ideal for a wide range of applications, from leisure boating and fishing to light utility tasks. With a **13-pitch** measurement, this propeller is engineered to provide a smooth, efficient power delivery, allowing the motor to achieve quicker acceleration and better handling at lower speeds while maintaining strong top-end performance. The **Force series** designation indicates that this propeller is part of Mercury s high-performance lineup, featuring a refined blade shape and precision machining to maximize thrust and reduce cavitation, resulting in improved fuel efficiency and reduced wear on the motor. Whether used on a small fishing boat, a recreational skiff, or a utility vessel, this propeller ensures a seamless power transfer, enhancing maneuverability, stability, and overall boating experience. Its robust construction and compatibility with the 1993 Mercury 40HP outboard make it a trusted choice for both seasoned boaters and those seeking reliable performance in their marine adventures.

### **Pros and Cons of Buying a Mercury 48HP (Model 48-879334A40) 1993 Force Propeller (10 3/8 x 13 Pitch, 13 Blade Aluminum) Outboard Motor**

1. **Reliable Brand** Mercury is a well-known manufacturer with a strong reputation for durability and performance in outboard motors, especially in the mid-sized 40-50HP range.

2. **Aluminum Propeller** The 10 3/8 x 13 pitch, 13-blade aluminum propeller is designed for efficiency, reducing fuel consumption and improving handling in various conditions.

3. **Force Propeller Technology** Mercury s Force propellers are optimized for better fuel economy, reduced cavitation, and smoother operation compared to older designs.

4. **Mid-Sized Power** A 40HP motor strikes a good balance between speed and fuel efficiency, making it suitable for small to medium-sized boats (e.g., 14-18 feet).

5. **Lower Maintenance Costs** Compared to larger outboards, this motor has fewer high-wear components, reducing long-term maintenance expenses.

6. **Good for Fishing & Cruising** The 40HP range is popular for fishing boats, runabouts, and small cruisers where high speed isn t the primary need.

7. **Secondhand Market Availability** As a common model, parts and service manuals are widely available, making repairs easier if needed.

8. **Fuel Efficiency** The Force propeller design helps improve fuel economy, which is beneficial for extended trips.

9. **Compatibility with Small Boats** Works well with lightweight fiberglass or aluminum boats in the 14-18-foot range.

10. **Potential for Upgrades** Some owners may later upgrade to a slightly larger motor (e.g., 50HP) if needed, but this motor provides a solid foundation.

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1. **Age of the Motor (1993)** While Mercury outboards from the early '90s are durable, they lack modern fuel injection, electronic diagnostics, and emissions compliance found in newer models.

2. **Potential Wear & Tear** A used motor this old may have internal wear (e.g., piston rings, bearings, or seals) that could require replacement, increasing maintenance costs.

3. **No Electronic Ignition** Older models often rely on points-based ignition systems, which are less reliable than modern electronic ignition.

4. **Limited Fuel Efficiency Compared to Modern Motors** Newer 40HP outboards (e.g., Mercury s Verado or FourStroke) offer better fuel economy and performance.

5. **Emissions & Regulations** Older two-stroke outboards (if this is one) may not meet modern environmental standards, though many were phased out by the late '90s.

6. **Resale Value** Even in good condition, a 1993 outboard will depreciate faster than a newer model.

7. **Part Availability** While parts exist, some may be harder to find compared to newer models with standardized components.

8. **Potential for Hidden Damage** Without a thorough inspection, internal issues (e.g., cracked cylinder heads, worn crankshafts) could go unnoticed.

9. **No Modern Diagnostics** Troubleshooting problems without digital error codes can be more time-consuming.

10. **Fuel & Oil Requirements** Older motors may require specific fuel blends or additives to prevent clogging or corrosion.

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The **Mercury 40HP Force propeller outboard from 1993** is a solid, reliable choice for small boats if you prioritize **durability, simplicity, and cost-effectiveness**. It performs well for fishing, cruising, and light planing in the right-sized boat. However, if you want **better fuel efficiency, modern diagnostics, or emissions compliance**, a newer model (even a used one from the 2000s or later) would be a smarter long-term investment.

- **Budget-conscious buyers** who don t need the latest technology.

- **Owners of small boats** (14-18 ft) where high speed isn t critical.

- **Those who plan to keep the motor for a few years** without major upgrades.

If you re considering this motor, **inspect it thoroughly** (or have a marine mechanic do so) for internal wear, propeller condition, and overall functionality. If it s in excellent shape, it can be a great value. If it shows signs of neglect, the cost of repairs may outweigh the benefits.

- **Buy it if:** You need a reliable, low-maintenance motor for a small boat, are okay with older technology, and can inspect it properly.

- **Avoid it if:** You want modern efficiency, emissions compliance, or plan to keep the motor long-term without upgrades.

- **Alternative Consideration:** A **used 40HP Mercury Verado (2000s) or Yamaha 40HP (2005 )** would offer better fuel economy, reliability, and resale value for a slightly higher price.

Would you like guidance on inspection tips or where to find reliable used motors?

Details:

3-BLADE ALUMINUM PROPELLER ASSEMBLY. CAME OFF A RUNNING, PARTED OUT 1993 FORCE 40HP OUTBOARD MOTOR SER #0E064431. PROP SIZE 10 3/8 DIA X 13.5P. FORCE MERCURY PART #48-879334A40.

part #: 48879334a40 prices

• $85.27-$275.59

specifications propboapar:

• for models: Force
• for makes: Mercury
• for years: 1993-2010
• mpn: 48-879334a40
• part type: Propeller Motor
• propeller pitch: 13.5
• country of origin: United States

shipping propboapar:

• cost: $0.00
• type: Calculated
• class: Standard, Expedited
• carrier: USPS, UPS, FedEx
• service: USPS Ground Advantage, UPS Ground, FedEx Ground / FedEx Home Delivery, USPS Priority Mail
• transit: 4-9 Days

seller propboapar:

• rating: 100.0%
• # reviews: 14365
• city: Kawkawlin, Michigan

offer propboapar:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: March 14, 2026

general propboapar:

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

payments propboapar:

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

returns propboapar:

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

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