Description
Volvo Penta DP-SM Lower Unit – OEM #3855907 | 1.78 Ratio | 17/29 Splines | Genuine OEM Marine Replacement
Fits: Volvo DP-SM Outdrives, Ratio: 1.78,Splines: 17/29, OEM Part #: 3855907
This new OEM lower unit is designed specifically for Volvo Penta DP-SM outdrives, delivering powerful and efficient performance. It features a 1.78 gear ratio with a 17/29 spline configuration, offering seamless compatibility with your Volvo dual-prop system.
Built by Volvo Penta, this is a genuine OEM lower unit—not an aftermarket product. Precision-crafted to Volvo’s rigorous standards, it ensures superior durability and fit for your marine engine. This unit is ideal for replacing your worn or damaged lower gearcase, especially if you’re searching for components using Volvo Penta DP-SM parts diagrams or exploring Volvo Penta DP drive systems.
Whether you’re restoring performance, improving reliability, or maintaining your investment, this OEM Volvo Penta DP-SM lower unit is the best solution on the market.
Looking to save money? Be sure to check out our remanufactured DPSM lowers, offering the same quality at a reduced price.
Features & Benefits:
- Fits: Volvo Penta DP-SM Outdrives
- Gear Ratio: 1.78
- Splines: 17/29
- OEM #: 3855907
- Brand New – Not Rebuilt or Aftermarket
- Built by Volvo-Penta, engineered for long-term performance
- 1-Year Warranty from US Boatworks
- Compatible with official Volvo Penta DP outdrive parts diagrams
- Optimized for high-performance dual-prop systems
- Ideal for those looking for a new lower unit on an outboard motor or full DP drive restoration
Pricing
Total Price: $9,000
Less $500 Refundable Core Deposit
Final Price: $8,500
Product Finish:
- Factory-new OEM finish direct from Volvo Penta
- Sealed and ready for installation
- Built for both saltwater and freshwater conditions
Core Deposit Information
- A $500 core deposit is refundable once your old core is returned.
- Refund amount may vary based on the condition of your core.
- Please review our Core Policy for details on how to return your old core and claim your deposit.
Useful Resources
- 🔍 How to find your Boat Engine serial number?
- To help extend the life of your gearcase, watch out our Boat Maintenance Checklist.
- Our hassle free Return Policy
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