Description
New OEM Volvo Penta DPS-B Upper Gearcase – 2.14 Ratio | OEM #21591372 | Fits 25/26 Dual Prop Sterndrives
This brand-new OEM DPS-B Upper Gearcase (OEM #21591372) is a factory-direct replacement for Volvo Penta 25/26 dual prop DPS-B outdrives. With a 2.14 gear ratio, it’s ideal for heavier vessels, providing excellent torque and smooth acceleration at lower speeds.
Built by Volvo Penta using genuine OEM parts, this upper unit delivers the exact performance, fit, and finish as your original drive. Backed by a 1-Year Manufacturer Warranty, it’s the smart choice for those looking to maintain or restore their boat’s drivetrain to factory specs. Perfect for anyone referencing Volvo Penta DPS-B parts diagrams or searching for a DPS-B outdrive replacement
Fits
- Drive System: Volvo Penta DPS-B Dual Prop
- Sterndrive Series: 25/26
- Gear Ratio: 2.14
- OEM Part Number: 21591372
- Direct replacement as per Volvo Penta DPS-B parts diagram
✅ Features & Benefits
- Brand-New OEM Volvo Penta DPS-B Upper Gearcase
- Gear Ratio: 2.14 – designed for high-torque performance
- Fits 25/26 series dual prop sterndrive systems
- OEM Part Number: 21591372
- 100% Genuine OEM Volvo Components
- Backed by a 1-Year Factory Warranty
- Return your old core, get up to $300 back.
- Compatible with DPS-B, DPS B, Volvo DPS, and related Volvo Penta systems
- Ideal for restoring factory performance and durability
- Fully supported by US Boatworks’ expert marine team
Pricing
Total Price: $4,650
Less $300 Refundable Core Deposit
👉 Final Price: $4,350
Core Deposit Information
- Return your old core, get up to $300 back.
- 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.
Need Help?
- 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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