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  3. VOLVO PENTA 3863098

VOLVO PENTA 3863098 Dph Duoprop Sterndrive Lower Bearing Box 24687790

fits make: Volvo.

24687790 Volvo Penta 3863098 Dph-a Duoprop Sterndrive Lower Bearing Box

( Brand: Volvo Penta ), ( Manufacturer Part Number: 3863098 ), ( Part Type: Bearing Sterndrive Box ), ( Country Of Origin: Sweden )

Review VOLVO PENTA Dph a Duoprop Sterndrive Lower Bearing Box

The **Volvo Penta 3863098 DPH-A Duoprop Sterndrive Lower Bearing Box (part number 24687790)** is a high-performance, precision-engineered component designed exclusively for Volvo Penta s advanced Duoprop sterndrive systems, offering unmatched reliability and efficiency for marine applications. This lower bearing box is a critical part of the Duoprop s dual-propeller propulsion system, housing the internal drive components that transfer power from the engine to both the main and auxiliary propellers while maintaining optimal alignment and reducing wear. Constructed from high-grade, marine-grade materials, including durable aluminum alloys and reinforced steel components, the bearing box is engineered to withstand the demanding stresses of high-speed operation, deep-water conditions, and prolonged exposure to saltwater corrosion. Its robust design incorporates sealed bearings and precision-machined shafts to ensure smooth, vibration-dampened performance, extending the lifespan of both the sterndrive and the engine itself.

The **24687790 lower bearing box** is specifically tailored for Volvo Penta s DPH-A Duoprop models, which are renowned for their fuel efficiency, quiet operation, and adaptability to various vessel types, from high-performance cruisers to commercial fishing boats. The bearing box features a compact yet sturdy housing that integrates seamlessly with the sterndrive s internal gearing, allowing for efficient power distribution between the two propellers while minimizing energy loss. Its internal design includes specialized lubrication pathways to ensure consistent grease distribution to critical moving parts, reducing friction and preventing premature failure. Additionally, the bearing box is engineered with a modular approach, enabling easy access for maintenance and repairs without requiring extensive disassembly of the sterndrive assembly.

For marine professionals and boat owners seeking peak performance and longevity from their Volvo Penta Duoprop system, this lower bearing box is an essential replacement part that upholds the brand s reputation for innovation and durability. Whether replacing a worn-out component or upgrading an existing system, the **3863098 DPH-A Duoprop Lower Bearing Box (24687790)** delivers the precision, strength, and reliability expected from Volvo Penta s marine propulsion technology. Its compatibility with the Duoprop s advanced dual-propeller system ensures optimal thrust and maneuverability, making it a vital component for maintaining the efficiency and performance of modern marine vessels.

### **Volvo Penta 3863098 DPH-A Duoprop Sterndrive Lower Bearing Box (Part #24687790) Pros and Cons**

#### **Pros:**

1. **High Performance & Efficiency** The DPH-A series is designed for high-power applications, offering strong thrust and reliable performance in demanding marine environments. The Duoprop system provides excellent power distribution, improving fuel efficiency and reducing wear on the engine.

2. **Durability & Build Quality** Volvo Penta is known for robust engineering, and this lower bearing box is built to withstand heavy loads, saltwater corrosion, and prolonged use. The use of high-grade materials ensures longevity if properly maintained.

3. **Compatibility & Fitment** This part is specifically designed for Volvo Penta s DPH-A Duoprop sterndrive systems, ensuring a precise fit with minimal modification required. It is a direct replacement for failed or worn lower bearing boxes in compatible models.

4. **Reduced Vibration & Smooth Operation** A well-functioning lower bearing box helps maintain alignment between the engine and drive shaft, reducing vibration and improving ride comfort. This contributes to a quieter and more stable boat handling experience.

5. **Warranty & Support** Volvo Penta offers warranties and authorized service networks, providing access to genuine parts and technical support. Purchasing from an official dealer or authorized distributor may include warranty coverage.

6. **Aftermarket Availability** As a widely used component, replacement parts are readily available from multiple suppliers, reducing the risk of long wait times or difficulty in sourcing.

7. **Potential Cost Savings** Replacing a failed lower bearing box early can prevent more extensive (and costly) damage to the sterndrive or engine. Proactive replacement may extend the lifespan of the entire propulsion system.

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#### **Cons:**

1. **High Upfront Cost** Volvo Penta parts, especially high-performance components like this bearing box, can be expensive. The price may be a significant investment, particularly for smaller boat owners or those on a tight budget.

2. **Installation Complexity** Replacing a lower bearing box requires mechanical skill and access to proper tools. Improper installation can lead to misalignment, premature wear, or even failure. Some owners may need to hire a professional marine mechanic, adding to labor costs.

3. **Weight & Space Considerations** The bearing box is a heavy component, which may require additional effort to handle during installation or removal. It also occupies space in the transom area, which could be a consideration for smaller boats.

4. **Compatibility Risks** While this part is designed for specific Volvo Penta models, there is a risk of misfit if the boat s sterndrive system has been modified or if the wrong part is sourced. Always verify compatibility with the exact model and year before purchasing.

5. **Maintenance Requirements** Like all marine components, the lower bearing box requires regular inspection, lubrication, and cleaning to prevent corrosion and ensure optimal performance. Neglecting maintenance can lead to premature failure.

6. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers may result in counterfeit or substandard parts that fail quickly or do not fit properly. Buying from reputable dealers (e.g., Volvo Penta s official website, marine supply stores, or authorized distributors) mitigates this risk.

7. **Limited Lifespan in Harsh Conditions** In extreme environments (e.g., brackish water, heavy saltwater exposure, or frequent deep diving), even high-quality bearing boxes may wear out faster. Regular flushing and corrosion protection are essential.

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### **Conclusion**

The **Volvo Penta 3863098 DPH-A Duoprop Lower Bearing Box (Part #24687790)** is a high-quality, performance-oriented component that offers significant benefits in terms of durability, efficiency, and reliability. It is an ideal choice for boat owners who prioritize long-term performance and are willing to invest in a reputable brand. However, the high cost, installation challenges, and maintenance demands must be carefully considered.

For most **Volvo Penta-equipped boats** experiencing lower bearing box failure or wear, this part is a **strong recommendation** provided it is purchased from a trusted source and installed correctly. If budget is a concern, comparing prices from multiple dealers (including online marketplaces and authorized Volvo Penta distributors) may help secure a better deal. Owners should also weigh the cost of replacement against the potential damage from continued use of a failing bearing box.

**Final Recommendation:**

- **Buy from an authorized Volvo Penta dealer or reputable marine parts supplier** to ensure authenticity and warranty coverage.

- **Verify compatibility** with your exact boat model and sterndrive configuration before purchasing.

- **Plan for professional installation** if mechanical expertise is lacking, as improper fitting can void warranties and cause further issues.

- **Prioritize regular maintenance** (lubrication, corrosion protection, and inspections) to maximize the part s lifespan.

- **Consider the long-term value** replacing a failing bearing box early can prevent costly engine or sterndrive damage down the line.

For most serious boat owners, the **pros outweigh the cons**, making this a worthwhile investment for maintaining optimal performance and reliability.

Details:

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

part #: 3863098 prices

  • $99.99-$215.00

specifications completegengin:

  • for makes: Volvo
  • brand: Volvo Penta
  • mpn: 3863098
  • part type: Bearing Sterndrive Box
  • country of origin: Sweden

returns completegengin:

  • time: 14 Days
  • paid by: Buyer
  • policy: Returns Accepted

general completegengin:

  • condition: Used
  • Boat Parts > Inboard Engines Components > Complete Gas Engines

seller completegengin:

  • rating: 100.0%
  • # reviews: 4222
  • city: Costa Mesa, California

shipping completegengin:

  • type: Calculated
  • service: FedEx Ground / FedEx Home Delivery
  • cost: $59.53
  • class: Standard
  • transit: 4-9 Days
  • carrier: FedEx

offer completegengin:

  • availability: In Stock
  • started: April 4, 2026
  • best offers: True
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

payments completegengin:

  • other
  • credit card: Diners-club
  • wallet: Google-pay
for makes: volvo, part type: bearing sterndrive box, country of origin: sweden,
category: boat parts > inboard engines components > complete gas engines, sku: 6491840418637632,
Volvo Penta 3863098 Is Similar To:
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2 offers $99.99–$215.00 USD
  • Used. Offer #1 priced at $215.00 + $61.70 shipping estimate = $276.70* total. ALL NEW VOLVO PENTA PARTS CARRY A 1 YEAR FACTORY WARRANTY! ALL USED PARTS SOLD AS IS!.+$61.70 shipping
  • Used. Offer #2 priced at $99.99 + $17.96 shipping estimate = $117.95* total. Good Used Freshwater Condition. Fits Many Other Assemblies.+$17.96 shipping

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