Description
Remanufactured Volvo Penta SX-M Upper Gearcase – Multiple Ratios | OEM #3857010 | Fits 21/26 Sterndrives
This remanufactured Volvo Penta SX-M upper unit (OEM #3857010) supports gear ratios of 1.79, 1.97, and 2.18.
Built in the USA by certified marine mechanics, this upper gearcase is remanufactured using genuine Volvo-Penta OEM parts to ensure peak performance and long-term durability.
This replacement gearcase provides an exact-fit solution for SX-M sterndrive models. Whether you’re replacing a damaged upper unit or restoring an entire Volvo-Penta SX-M Outdrive, this unit delivers the best of both worlds:
you get a unit remanufactured with OEM parts
AND
a significant price savings when compared to a brand new OEM upper.
View our parts finder to find our Volvo Penta SX-M parts diagrams to verify this is a match to your engine. You can also use our parts finder to find other Volvo-Penta Boat Parts for your Volvo Penta SX-M Sterndrive.
Don’t get stranded by other sub-par units. Get your US Boatworks reman sterndrive upper today!
Fits
- System: Volvo Penta SX-M Sterndrive Uppers
- Gear Ratios: 1.79, 1.97, 2.18
- OEM Part Number: 3857010
- 21/26 Count
✅ Features & Benefits
- Rebuilt by certified marine mechanics in the USA
- Constructed with genuine Volvo Penta OEM parts
- 1-Year Limited Warranty
- Built and backed by US Boatworks – over 40 years of trusted marine remanufacturing
Pricing
Total Price: $3,595
Less $300 Potential Refundable Core Deposit
👉 Final Price: $3,295
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
- ♻️ Recycle your core: Keep boat parts out of the landfill & receive $ back
Need Help?
- How to find your Boat Engine serial number
- Still deciding? Watch our YouTube video on “How avoid common lower unit replacement mistakes“
- To help extend the life of your gearcase, check out our Boat Maintenance Checklist
US Boatworks: Quality Remanufacturing for over 40 years
🛥️ Please have your Engine Serial # ready when you contact us if possible. 🛥️
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