Force Lower Unit 80-150 HP 1989-1994 #820588T1

Force Lower Unit #1600-820588T1 – Fits 80–150 HP (1989–1994) | 2-Piece Drive Shaft

1600-820588T1 force lower unit is built to fit 80–150 HP outboard motors from 1989 to 1994. Designed for units with a 2-piece drive shaft, it’s an ideal replacement for aging or damaged Force outboards, including Force 150 outboards and many compatible Mercury outboards from the early 1990s.

Professionally rebuilt in the USA by certified marine technicians using OEM Genuine Mercury Parts, this unit delivers reliable performance and longevity. Whether you’re restoring a boat or maintaining a dependable fleet, this gearcase is a trusted, warrantied solution.

View our parts finder to find Force Outboard parts diagrams 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 Force Boat Parts for your Force Outboard.

Don’t get stranded with sub-par units from other rebuilders. Choose our quality US Boatworks reman lower unit today!

✅ Why Choose this Lower Unit

• 1600-820588T1 force lower unit
• Fits Force 80–150 HP Outboards (1989–1994)
• Replaces OEM #: 1600-820588T1
• Includes 2-Piece Drive Shaft design
• Rebuilt with Genuine OEM Mercury Marine Parts
• Built in the USA by certified marine mechanics
• Ideal for those searching for Force 150 Outboard or Force Outboard Gearcase Parts
• Backed by a 1-Year Warranty

Pricing

Total Price: $2,295
Less $300 Refundable Core Deposit
👉 Final Price: $1,995

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 amounts 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

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. 🛥️