SUZUKI 3X16X21.5R Steel Standard Rh Blade Propeller Prop 3X16X21.5L 4.75

( Manufacturer Part Number: 3X16X21.5R ), ( Part Type: Blade Propeller Prop ), ( Propeller Pitch: 21.5 ), ( Propeller Rotation: Standard, Counter ), ( Country Of Origin: Japan )

Review SUZUKI Oem Stainless Steel Standard Rh Blade Propeller Prop 4.75 Inch 21.5 fits 2016

The **Suzuki 3x16x21.5R (and matching 3x16x21.5L) Steel Standard RH Blade Propeller** is a high-performance, precision-engineered propeller designed specifically for Suzuki outboard motors, particularly those in the 4.75 horsepower class. Crafted from durable **high-grade steel**, this propeller is built to deliver exceptional thrust and efficiency while maintaining reliability under demanding conditions. The **3-blade design** strikes an optimal balance between power output and fuel economy, making it ideal for both recreational boating and light fishing applications. The **21.5-inch diameter** provides a robust sweep, ensuring strong acceleration and smooth handling, while the **16-inch pitch** offers a versatile range of performance, allowing for efficient cruising speeds as well as quick bursts of speed when needed. The **right-hand (RH) blade orientation** ensures proper rotation alignment with Suzuki s outboard motor, maximizing propeller efficiency and reducing unnecessary strain on the engine.

This propeller features a **standard blade design**, which means it is well-suited for general use without requiring specialized modifications. The blades are meticulously shaped to minimize cavitation and vibration, contributing to a quieter and more comfortable ride. The **steel construction** not only enhances durability but also resists corrosion, making it a long-lasting choice for saltwater and freshwater environments alike. Whether you're navigating calm lakes, tackling light chop, or enjoying leisurely cruises, this propeller delivers consistent performance while maintaining the reliability expected from Suzuki s marine systems. Its robust build and efficient design make it a practical and cost-effective upgrade for boat owners seeking improved propulsion without compromising on quality or ease of use.

### **Analysis of the Suzuki 3x16x21.5R (3x16x21.5L) Steel Standard RH Blade Propeller (4.75" x 16" x 21.5")**

This propeller is designed for Suzuki outboard motors, specifically models that require a **4.75" shaft diameter** with a **16" pitch** and **21.5" diameter**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Durability and Longevity**

- Made from **steel**, which is significantly more durable than aluminum or plastic propellers. Steel resists corrosion better in saltwater and can withstand heavy loads, making it ideal for deep-sea fishing, towing, or rough conditions.

- Less prone to warping or bending compared to aluminum props, ensuring consistent performance over time.

2. **High Performance for Heavy Loads**

- The **3-blade design** provides better thrust efficiency than 2-blade props, making it suitable for boats with heavy loads (e.g., fishing boats, pontoons, or small cruisers).

- The **16" pitch** is a moderate setting, offering a balance between speed and torque, which is beneficial for boats that need to pull trailers or carry multiple passengers.

3. **Standard Blade Shape (RH Blade)**

- The **standard RH (right-hand) blade design** is optimized for most Suzuki outboards, ensuring smooth operation without excessive vibration.

- Less likely to cause excessive noise or cavitation compared to aggressive or custom blade shapes.

4. **Compatibility with Suzuki Outboards**

- Specifically designed for **4.75" shaft Suzuki motors**, ensuring a proper fit and optimal performance.

- Works well with **16-25 HP to 100 HP Suzuki models**, depending on the boat s size and load.

5. **Cost-Effective for Heavy Use**

- While steel props are more expensive upfront than aluminum, their longevity and resistance to damage make them cost-effective in the long run, especially for frequent or heavy-duty use.

6. **Reduced Risk of Propeller Damage**

- Less likely to chip or crack when encountering debris (e.g., rocks, driftwood) compared to aluminum props, reducing the need for frequent replacements.

7. **Better for Towing and Planing**

- The **3-blade design** improves acceleration and towing capability, making it a good choice for boats that frequently tow skiers, wakeboarders, or small watercraft.

---

### **Cons**

1. **Higher Initial Cost**

- Steel propellers are **more expensive** than aluminum or plastic props, which may be a barrier for budget-conscious buyers.

- The price reflects the material and durability, but it may not be justified for light-duty or occasional use.

2. **Heavier Weight**

- Steel props are **significantly heavier** than aluminum or plastic alternatives. This can affect maneuverability, especially in smaller boats, and may require additional support in the motor mount.

- The extra weight can slightly reduce fuel efficiency, though the impact is usually minimal.

3. **Potential for Cavitation (Under Heavy Loads)**

- While steel resists damage, **excessive load or improper trim** can still cause cavitation, leading to pitting or erosion over time.

- Requires proper boat trim and load distribution to avoid premature wear.

4. **Limited Customization**

- Unlike aluminum props, steel props are **less customizable** in terms of blade shape or pitch. If performance tuning is needed, other prop options may be better suited.

- Not ideal for high-performance racing or extreme speed applications where aggressive blade angles are preferred.

5. **Installation and Removal Difficulty**

- Due to their weight and material, steel props can be **harder to install or remove**, especially for inexperienced users. May require additional tools or assistance.

6. **Potential for Rust (If Not Properly Maintained)**

- While steel is corrosion-resistant, **saltwater exposure without proper maintenance** (e.g., regular cleaning and anti-corrosion treatment) can lead to rust over time.

- Requires more upkeep than aluminum props in marine environments.

7. **Not Ideal for Ultra-Light or Tender Boats**

- The weight of a steel prop may be excessive for **small tender boats, kayaks, or ultra-light fishing boats**, where an aluminum or plastic prop would be more appropriate.

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### **Conclusion**

The **Suzuki 3x16x21.5R steel standard RH blade propeller** is an excellent choice for **heavy-duty, high-performance applications**, particularly for boats that require **reliability, durability, and strong thrust**. It excels in scenarios such as:

- Deep-sea fishing (where corrosion resistance and strength are critical).

- Towing (skiers, wakeboarders, or small watercraft).

- Pontoon or cruiser boats with moderate to heavy loads.

- Frequent use in rough or debris-filled waters.

- Light-duty or occasional use (where an aluminum prop would suffice).

- Ultra-light boats or tenders (due to weight).

- High-performance racing or extreme speed applications (where custom aluminum props may be better).

- Budget-conscious buyers who prioritize cost over longevity.

If you operate your Suzuki outboard in **demanding conditions** and need a **long-lasting, high-thrust propeller**, this steel prop is a strong recommendation. If your use is **light or occasional**, an aluminum prop may offer a better balance of performance and cost.

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### **Recommendation**

You frequently tow or carry heavy loads.

You fish in saltwater or rough conditions where corrosion resistance is important.

You want a durable, long-term solution that minimizes the risk of damage.

Your boat is medium to large-sized (e.g., cruiser, fishing boat, or pontoon).

You use your boat only occasionally or in calm waters.

Your boat is small or ultra-light (e.g., kayak, tender).

You prioritize cost savings and are willing to replace it more frequently.

You need aggressive performance tuning (e.g., for speed or racing).

For most **Suzuki outboard owners who need a reliable, high-performance prop**, this **3x16x21.5R steel propeller is a solid and recommended choice**. Ensure proper installation, maintenance, and boat trim to maximize its lifespan and efficiency.

Details:

Our contact info is included in the pictures for easy communication. Please review all photos to assess the exact condition of item. This set of prop was tested prior to removal: clean and free any damage or major dings in blades, props all come as shown pictures. Motor ran at time of tear down.

This set of prop was tested prior to removal item removed from a 2008 Suzuki V6 DF225 outboard engine. Need it sooner.

part #: 3x16x215r prices

• $200.00-$515.00

specifications propboapar:

• for makes: Suzuki
• for years: 2016
• mpn: 3x16x21.5r
• part type: Blade Propeller Prop
• propeller pitch: 21.5
• propeller rotation: Standard, Counter
• country of origin: Japan

shipping propboapar:

• class: Economy
• transit: 7-14 Days
• service: FedEx Ground Economy
• cost: $24.95
• type: Fixed
• carrier: FedEx

seller propboapar:

• rating: 100.0%
• city: Port Saint Lucie, Florida
• # reviews: 710

offer propboapar:

• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: March 20, 2026

general propboapar:

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

payments propboapar:

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

returns propboapar:

• policy: No Returns

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