Description
New OEM Volvo Penta SX-A Upper Gearcase – Factory Original | OEM #3842918 | Fits 22/23 Sterndrive Engines
This brand-new OEM Volvo Penta SX-A Upper Gearcase (OEM #3842918) is a factory-original replacement unit made by Volvo Penta. Designed for 22/23 sterndrive engines, it supports gear ratios of 1.43, 1.51, 1.60, and 1.66, making it compatible with a wide range of boating applications.
Unlike remanufactured units, this upper gearcase is 100% new, built with Volvo Penta OEM parts and covered by a 1-Year Factory Warranty. It’s an excellent solution for boaters looking for unmatched reliability, tight tolerances, and zero runtime.
This unit is ideal for anyone verifying their setup with an OEM SX serial number or referencing Volvo Penta SX-A parts diagrams. Eligible for a $300 core rebate upon return of your rebuildable gearcase.
Fits
- System: Volvo Penta SX-A Outdrives
- Sterndrive Series: 22/23
- Gear Ratios: 1.43, 1.51, 1.60, 1.66
- OEM Part Number: 3842918
- Direct OEM replacement – perfect for boats requiring Volvo Penta OEM parts
✅ Features & Benefits
- Brand-New OEM Upper Unit – made by Volvo Penta
- Fits Volvo SX-A Outdrives – 22/23 Series
- Gear Ratios Supported: 1.43, 1.51, 1.60, 1.66
- OEM Part Number: 3842918
- Backed by a 1-Year Volvo Penta Warranty
- Built with 100% Volvo Penta OEM Parts
- Return your old core, get up to $300 back.
- Ideal for verifying fit with your OEM SX serial number
- Perfect replacement for older or failing SX-A upper units
- Trusted by US Boatworks – over 40 years of marine expertise
Pricing
Total Price: $4,295
Less $300 Refundable Core Deposit
👉 Final Price: $3,995
Product Finish
- Ships in gray primer finish
- For custom matching, your order includes factory spray paint to finish if desired
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
- Still deciding? Watch our YouTube video on “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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