Volvo Penta SX-A Lower #3842605

Volvo Penta SX-A Lower Unit – OEM #3842605 | 1.66 & 1.97 Ratios | 17/27 Splines | Brand New OEM

We found a special buy on these SX-A OEM Lower Units and are passing on the savings to our customers. Once these units sell, the price will go up accordingly. Don’t delay – Buy today!

This is a new OEM lower unit for Volvo Penta SX-A outdrives, designed for high performance and long-term reliability. Supporting both 1.66 and 1.97 gear ratios, this unit features a 17/27 spline setup and is precision-built to fit a variety of Volvo Penta outdrive configurations.

Whether you’re replacing a worn Volvo Penta SX lower unit or upgrading to ensure peak efficiency, this lower unit delivers exceptional value and durability. Made by Volvo-Penta, this product is not aftermarket—it is factory-direct, genuine OEM.

This lower unit fits models across the Volvo Penta SX-A series, including applications where Volvo Penta outdrive repair, replacement, or performance upgrades are needed.

This item is in stock and ships today when ordered by 1 pm CST. Rush shipping available by request—just give us a call!

View our parts finder to find Volvo-Penta parts to verify this is a match or contact us using the buttons at the bottom of the page.

You can also use our parts finder to find other Volvo-Penta Boat Parts.

Take the guess work out of ordering online. Get the right lower unit for your outboard when you call us today.

Features & Benefits:

• Fits: Volvo Penta SX-A Outdrives
• Gear Ratios Supported: 1.66 & 1.97
• Splines: 17/27
• OEM Part #: 3842605
• 100% New OEM (not rebuilt, not aftermarket)
• Compatible with Volvo Penta SX outdrive systems
• 1-Year Manufacturer Warranty
• Ideal for Volvo Penta lower unit replacement
• Engineered for freshwater and saltwater durability
• Strong support and product knowledge from US Boatworks
• Save more $ with our remanufactured SX-A lowers

Pricing:

Total Price: $5,995
Less $300 Core Rebate
Final Price: $5,695

Core Rebate Information:

• Return your old core, get up to $300 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

🛥️ Please have your Engine Serial # ready when you contact us if possible. 🛥️