Description
Volvo Penta DPS-A Lower Unit – OEM #3842842 | 17/29 Splines | 1.78 & 2.11 Ratios | New OEM
This genuine Volvo Penta OEM DPS-A Lower Unit 3842842 is the ideal replacement for boaters seeking reliable, factory-engineered performance. Designed for DPS-A outdrive systems, this Volvo lower unit comes with a 17/29 spline count and supports 1.78 & 2.11 gear ratios—perfect for powering a variety of marine engines with precision and durability.
Made by Volvo Penta, a name synonymous with marine innovation, this lower unit isn’t just about replacement—it’s about restoration. Whether you’re upgrading your drive or fixing a worn gearcase, this Volvo Penta DPS-A lower unit offers long-term reliability and OEM-grade fitment.
If you’re wondering what is the lower unit on an outboard motor, it’s the essential component that transfers engine power to the propeller through gears and shafts—and this one does it with the engineering excellence Volvo is known for.
📦 Ships in approximately 10 business days. Rush shipping is available — just give us a call.
Features & Benefits:
- Brand new, factory-direct Volvo Penta lower unit
- Compatible with Volvo DPS-A dual prop outdrives
- Gear ratios 1.78 & 2.11 with 17/29 splines
- 1-Year limited warranty from Volvo Penta
- Built to precise OEM specifications for seamless fit
- OEM #3842842 — a trusted part number in marine parts
- Avoid aftermarket guesswork—get real Volvo performance
- Eligible for core rebate savings
- Excellent replacement if you’re restoring or repowering
Pricing
Total Price: $6,995
Less $500 Core Rebate Final Price: $6,495
Product Finish:
- Durable marine-grade coating to resist corrosion
- Assembled and quality-checked by Volvo Penta
- Ready to install – includes all factory internals and seals
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?
- To help extend the life of your gearcase, watch out our Boat Maintenance Checklist.
- Our hassle free Return Policy



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