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Mercury V6 Lower Unit 1647-9148T85
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Mercury V6 Lower Unit 1647-9148T85

Original price was: $3,028.57.Current price is: $2,995.00.

  • OEM Mercury Lower Unit – 9148T85 / 1647-9148T85
  • V6 2.0L, 2.4L, 2.5L Mercury outboards – 150, 175, 200 HP
  • XL 25″ shaft – standard right-hand rotation
  • Fully assembled, ready to install
  • $200 core rebate available
  • 1-Year Mercury OEM Warranty
  • Counter-rotation versions available on request
  • Not rebuilt, not aftermarket – 100% OEM
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Description

OEM Mercury Lower Unit – 9148T85 | V6 2.0L–2.5L | 25″ XL Shaft | Standard Rotation

Fits: Mercury 200, 225, 250 HP V6 Outboards | 3.0 Liter | OEM Part #859399T14 | XL 25” Shaft

The OEM Mercury Outboard Lower Unit #9148T85 (OEM #1647-9148T85) is a genuine, factory-built gearcase designed for V6 2.0L, 2.4L, and 2.5L Mercury outboards, covering 150 HP, 175 HP, and 200 HP configurations. This specific model is configured with a 25″ XL shaft and supports standard right-hand rotation, offering maximum performance and OEM reliability for boats that demand extra shaft length and high output.

Unlike aftermarket or rebuilt components, this unit is built by Mercury Marine to OEM specifications, ensuring a perfect fit and long-lasting durability. Whether you’re replacing a worn-out drive or upgrading for improved reliability, this is one of the most trusted Mercury lower units available on the market today.

We also offer LH counter-rotation and shorter/longer shaft options—call us for availability to match your boat and engine setup precisely.

Fitment & Compatibility:

  • Fits: Mercury Marine V6 Outboards
  • Horsepower: 150 HP, 175 HP, 200 HP
  • Engine Size: 2.0L, 2.4L, 2.5L
  • Shaft Length: 25″ Extra Long (XL Shaft)
  • Rotation: Right Hand / Standard
  • OEM Part Number: 9148T85 / 1647-9148T85
  • Counter Rotation: LH version available on request
  • Related OEM Part: 9148T84 (20″ Shaft version)

Pricing

Total Price: $2,995
Less $200 Refundable Core Deposit
👉 Final Price: $2,795

Product Finish:

  • OEM black corrosion-resistant marine finish
  • Matches Mercury factory appearance and durability standards

Core Deposit Information

  • A $200 core deposit is refundable once your old core is returned. 
  • 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.

Useful Resources

Additional information

Weight 50 lbs
Brand

Condition

Fitment

Mercury V6 – 2.0L, 2.4L, 2.5L

Horsepower Range

150 HP, 175 HP, 200 HP

Rotation

Standard / RH (Right-Hand)

Shaft Length

25″

Finish

OEM Mercury-Black Corrosion-Resistant Coating

Warranty

1 Years

Core Deposit

$200 (Refundable upon return of old core)

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