Description
Volvo Penta DPS-D Lower Unit – OEM #21658888 | 17/29 Splines | 1.78 & 2.11 Ratios | New OEM
If you’re looking for a Volvo Penta DPS-D lower unit, this is a brand-new OEM factory-made part built for durability and performance. Designed specifically for Volvo DPS-D outdrive systems, this lower unit supports 1.78 and 2.11 gear ratios and is machined to Volvo’s exact engineering standards. With 17/29 splines and a robust housing, it’s ideal for both replacements and performance restoration on your DPS-D setup.
As a direct replacement for OEM #21658888, this lower unit is compatible with a wide range of Volvo Penta DPS drive configurations. It’s not aftermarket—this is the genuine Volvo Penta lower unit you can count on for reliability and longevity in demanding marine environments.
📦 Shipping ETA: Typically ships in ~10 business days. Need it faster? Rush shipping available—just give us a call.
Features & Benefits:
- Genuine OEM Volvo Penta DPS-D lower unit
- Supports 1.78 & 2.11 gear ratios
- Precision-built with 17/29 spline design
- Factory-new, not remanufactured or aftermarket
- 1-Year Limited Warranty backed by Volvo Penta
- Ships fully assembled and ready to install
- Compatible with most Volvo DPS-D dual prop outdrives
- Trusted quality from US Boatworks – over 40 years serving marine pros
Pricing
Total Price: $6,995
Less $500 Core Rebate
Final Price: $6,495
Product Finish:
- Marine-grade corrosion-resistant finish
- Factory-sealed internals
- Clean and ready for install — no prep required
Core Rebate Information
- Return your old core, get up to $500 back
- Rebate amount will vary based on the condition of your core
- ♻️ Recycle your core- keep boat parts out of the landfill
Useful Resources
- 🔍 How to find your Boat Engine serial number?
- Still deciding? Watch our YouTube video How to avoid common lower unit replacement mistakes
- To help extend the life of your gearcase, check out our Boat Maintenance Checklist
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