Mercury V6 Lower Unit 1623-859399T13

Description

New Factory OEM Mercury Lower Unit 859399T13– 3.0L V6 200–250 HP

This brand-new Mercury OEM lower unit, part number 859399T13, is a direct replacement for select Mercury 3.0L 6-cylinder V6 outboard motors. This genuine Mercury Marine product ensures factory-spec performance, seamless fitment, and long-term reliability for Mercury V6 engines rated at 200 HP, 225 HP, and 250 HP.

Built to Mercury’s exacting standards, this OEM (not aftermarket) lower unit is engineered with high-grade materials for unmatched durability and smoother operation across all RPM ranges. Perfect for performance boats, fishing vessels, or commercial operators relying on dependable thrust and handling.

This unit comes with a 1-Year Manufacturer Warranty and is eligible for a $200 rebate upon the return of a good, rebuildable core—bringing your final cost to just $2,995.

Whether you’re replacing a damaged gearcase or upgrading from a worn-out lower unit, this Mercury V6 lower unit delivers the performance and OEM assurance you demand.

Fits/Specs

• Mercury 3.0L V6 outboard motors
• Compatible with Mercury and Mariner models
  200 HP
  225 HP
  250 HP
• Shaft Length: 20″ Long Shaft
• OEM Part #: 859399T13 / 1623-859399T13
• 13 Spline
• ✅ Need an XL or XXL shaft unit? Call or email us today!

Pricing

Retail Price: $3,414

Our Price: $3,195 before core rebate
Potential Core Rebate: $200
Final Price $2,995

Product Finish

• High-quality OEM Mercury paint finish (black)
• Assembled and tested by Mercury Marine
• Professional-grade reliability and appearance

Core Rebate Information

• ♻️ Ask about how to recycle your core & receive $ back
• Return your old core, get up to $200 back
• Rebate amounts vary based on condition of your core