1. Inboard Complete Gas Engines For Sale
  2. sku: 6498171219054853
  3. VOLVO PENTA 3860894

VOLVO PENTA 3860894 Dps Osi Duoprop Sterndrive Lower Gear Set 1.68

fits make: Volvo.

3860894 Volvo Penta Dps-a Osi Duoprop Sterndrive Lower Gear Set 1.68 1

( Brand: Volvo Penta ), ( Manufacturer Part Number: 3860894 ), ( Part Type: Sterndrive Gear ), ( Warranty: 1 Year ), ( Country Of Origin: Sweden )

Review VOLVO PENTA Dps a Osi Duoprop Sterndrive Lower Gear Set 1.68

The **Volvo Penta 3860894 DPS-A OSI Duoprop Sterndrive Lower Gear Set (1.68)** is a precision-engineered, high-performance transmission component designed exclusively for Volvo Penta s OSI (Outboard-Stern Drive Interface) Duoprop systems, ensuring seamless integration between outboard motors and sterndrive units. This lower gear set is a critical part of the Duoprop s dual-propeller propulsion system, where the outboard motor s power is efficiently transferred through a sophisticated gearbox to drive both the upper and lower propellers simultaneously. Crafted from Volvo Penta s proprietary materials, this gear set is built to withstand the demanding stresses of high-speed maneuvering, aggressive towing, and extended use in both freshwater and saltwater environments. The **1.68 ratio** denotes the gear reduction ratio, which optimizes torque delivery for enhanced acceleration, improved handling, and better fuel efficiency during cruising, making it ideal for performance-oriented vessels such as speedboats, fishing yachts, and high-performance cruisers. The DPS-A designation indicates its compatibility with Volvo Penta s advanced **DPS (Direct Power Shift)** technology, allowing for smooth, instantaneous shifts between forward, reverse, and neutral positions without the need for a traditional clutch mechanism. This gear set is engineered with Volvo Penta s signature attention to durability, featuring hardened gears and precision-machined components to minimize wear and extend the lifespan of the entire propulsion system. Whether installed in a new build or as a replacement for an existing unit, this lower gear set ensures reliable performance, reduced maintenance requirements, and the smooth, responsive power delivery that Volvo Penta s Duoprop systems are renowned for. For marine enthusiasts and professionals seeking uncompromising quality and performance, the **3860894 DPS-A OSI Duoprop Lower Gear Set (1.68)** represents the pinnacle of Volvo Penta s engineering excellence in sterndrive technology.

### **Pros and Cons of buying a Volvo Penta 3860894 DPS-A OSI Duoprop Sterndrive Lower Gear Set (1.68)**

#### **Pros**

1. **Compatibility and Fitment** This gear set is specifically designed for the Volvo Penta OSI (Outboard-Stern Drive Interface) system, ensuring a precise fit with minimal modifications required. It is engineered to work seamlessly with the **3860894** model, reducing the risk of installation errors.

2. **Performance Optimization** The **1.68** ratio is optimized for improved acceleration, better low-end torque, and enhanced fuel efficiency in certain conditions. This gear set is particularly useful for boats that require strong pulling power at lower speeds, such as fishing vessels, patrol boats, or those operating in shallow waters.

3. **Durability and Build Quality** Volvo Penta is known for manufacturing high-quality marine propulsion components. The gear set is built to withstand heavy loads, frequent use, and harsh marine environments, reducing the likelihood of premature wear or failure.

4. **Compatibility with Modern Systems** The DPS-A (Digital Propulsion System) integration allows for better control and diagnostics. This means you can monitor performance, adjust settings via the boat s control panel, and receive error codes if issues arise, improving overall reliability.

5. **Aftermarket Support and Availability** Volvo Penta parts are widely available through authorized dealers and marine supply chains. This ensures easier maintenance, repairs, and potential upgrades in the future.

6. **Reduced Vibration and Smooth Operation** A properly matched gear set can minimize vibration, leading to a more comfortable ride for passengers and reduced stress on the boat s structure.

7. **Long-Term Cost Efficiency** While the initial cost may be higher than generic aftermarket alternatives, the longevity and performance benefits often justify the investment, especially for professional or high-use applications.

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#### **Cons**

1. **High Upfront Cost** Volvo Penta components are premium, and this gear set is no exception. The price may be significantly higher than generic or third-party alternatives, which could be a barrier for budget-conscious buyers.

2. **Specialized Installation Requirements** While the fitment is precise, installing this gear set may require professional assistance, especially if the boat s existing system is not already compatible with the OSI interface. This adds to labor costs if DIY installation is not feasible.

3. **Limited Customization** Unlike some aftermarket options, Volvo Penta gear sets come with fixed ratios. If the boat s intended use changes (e.g., shifting from fishing to cruising), you may need to replace the entire gear set rather than adjusting it.

4. **Potential Learning Curve for DPS-A Integration** The Digital Propulsion System (DPS-A) offers advanced features but may require familiarization with the boat s control interface. Users unfamiliar with digital marine systems might find the setup or troubleshooting process initially challenging.

5. **Depreciation Considerations** Like most high-end marine equipment, Volvo Penta parts may depreciate over time. If the boat is not a long-term investment, the residual value of the gear set may not fully offset its initial cost.

6. **Weight and Space Constraints** The gear set, being a heavy-duty component, may add to the boat s overall weight. This could impact fuel efficiency or handling, particularly in smaller vessels where weight distribution is critical.

7. **Dependence on Volvo Penta Support** If issues arise, reliance on Volvo Penta s technical support or authorized service centers may be necessary. This could lead to longer wait times or higher service costs compared to more widely available brands.

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### **Conclusion**

The **Volvo Penta 3860894 DPS-A OSI Duoprop Sterndrive Lower Gear Set (1.68)** is a high-performance, durable, and well-engineered component that excels in applications requiring strong low-end power, such as fishing, patrol, or shallow-water operations. Its integration with the DPS-A system enhances control and diagnostics, while its compatibility with Volvo Penta s ecosystem ensures reliability and support.

However, the **high cost, specialized installation needs, and limited customization** make it less ideal for casual or budget-conscious buyers. It is best suited for **professional or high-performance marine applications** where performance, longevity, and advanced features justify the investment.

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### **Recommendation**

**Buy this gear set if:**

- You operate a boat in demanding conditions (e.g., heavy fishing, patrol work, or shallow waters) where low-end power and durability are critical.

- Your boat is already equipped with a **Volvo Penta OSI system**, and you want to maintain compatibility and performance.

- You prioritize **long-term reliability, reduced vibration, and advanced diagnostics** over cost savings.

- You have access to **professional installation and Volvo Penta support** for maintenance.

**Avoid or consider alternatives if:**

- You are on a tight budget and can find equally reliable aftermarket gear sets at a lower cost.

- Your boat s use case does not require the specific performance benefits of the **1.68 ratio** (e.g., pure cruising with minimal towing).

- You lack experience with **digital propulsion systems** or professional installation support.

- The boat is not a long-term investment, and you prefer parts with better resale value.

For buyers who meet the criteria, this gear set is a **strong, high-performance choice** that will significantly enhance the boat s capabilities. For others, weighing the pros against the cons and potentially consulting a marine mechanic will help determine whether the investment is worthwhile.

Details:

ALL NEW VOLVO PENTA PARTS CARRY A 1 YEAR FACTORY WARRANTY. ALL PARTS SHIPPED FEDEX GROUND IN THE LOWER 48.

part #: 3860894 prices

  • $549.00-$1875.00

specifications completegengin:

  • for makes: Volvo
  • brand: Volvo Penta
  • mpn: 3860894
  • part type: Sterndrive Gear
  • warranty: 1 Year
  • country of origin: Sweden

shipping completegengin:

  • cost: $26.48
  • carrier: FedEx
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 3-7 Days
  • type: Calculated

general completegengin:

  • condition: New other see details
  • Boat Parts > Inboard Engines Components > Complete Gas Engines

returns completegengin:

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

payments completegengin:

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

offer completegengin:

  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • started: April 15, 2026
  • availability: In Stock

seller completegengin:

  • city: Costa Mesa, California
  • # reviews: 4236
  • rating: 100.0%
for makes: volvo, part type: sterndrive gear, warranty: 1 year, country of origin: sweden,
category: boat parts > inboard engines components > complete gas engines, sku: 6498171219054853,
Volvo Penta 3860894 Is Similar To:
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2 offers $549.00–$1875.00 USD
  • New. Offer #1 priced at $549.00 + $0.00 shipping estimate = $549.00* total. MFG:Volvo Penta.FREE SHIPPING
  • New other (see details). Offer #2 priced at $1875.00 + $27.09 shipping estimate = $1902.09* total. ALL NEW VOLVO PENTA PARTS CARRY A 1 YEAR FACTORY WARRANTY! ALL USED PARTS SOLD AS IS!.+$27.09 shipping

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