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Mercury Pro XS Torque Master Lower Unit Housing Assembly – 20" Shaft – 1.75:1 Ratio – P/N 8M0055778

Mercury Pro XS Torque Master Lower Unit Housing Assembly – 20" Shaft – 1.75:1 Ratio – P/N 8M0055778

OEM Mercury Pro XS Torque Master lower unit housing assembly removed from a high-performance Mercury Marine application. Includes 20" driveshaft assembly, splined propshaft stub, bearing carrier area, water intake passages, and mounting surfaces exactly as shown. Features visible part number 8M0055778 and 1.75:1 gear ratio identification.

A solid replacement lower unit housing assembly for damaged or worn Torque Master gearcases. Great option for rebuild, repair, or high-performance outboard projects.

Highlights:

  • OEM Mercury Marine
  • Pro XS Torque Master Application
  • Lower Unit Housing Assembly
  • 20" Shaft Configuration
  • 1.75:1 Gear Ratio
  • Stainless Steel Driveshaft Included
  • Splined Propshaft Stub Included
  • Part Number: 8M0055778
  • High-Performance Outboard Application
  • Sold Exactly as Shown

Condition:

  • Good used condition
  • Normal cosmetic wear consistent with marine use and storage
  • Scratches, scuffs, paint wear, oxidation, and minor surface corrosion visible throughout
  • Housing appears structurally intact
  • No obvious major cracks visible
  • Internal gears, bearings, and seals have not been inspected or tested
  • Great candidate for rebuild or replacement application
  • Please review all photos carefully for exact condition and included components

Specifications:

Brand: Mercury Marine

Model: Pro XS Torque Master

Part Number: 8M0055778

Gear Ratio: 1.75:1

Shaft Length: 20"

Type: Lower Unit Housing Assembly

Condition: Used

Dealer Sale – Sunset Marine TX LLC

SKU:10268

3,397.97 3,397.97

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