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Harley Big Twin 5-Speed Trans Main Drive Gear Oil Seals James Gaskets 12050 NOS

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Description

  • Brand: Genuine James Gaskets (Premium High-Performance Aftermarket Restoration Core) 
  • Component Type: 5-Speed Manual Transmission Main Drive Gear Sprocket Output Shaft Oil Seal 
  • Total Kit Volume Sizing: 2-Piece Complete Mechanical System Hardware Replacement Lot (Pack of 2 Seals)
  • Manufacturer Component Code: Part #12050 (Cross-matches industry standard JGI-12050 parameters) 
  • Seal Lip Interface Configuration: Specialized high-efficiency double-lip (DL) internal tracking barrier
  • Material Base: Through-hardened structural metal ring casing blanketed in a state-of-the-art foam-covered oil-resistant elastomer matrix. 
  • Country of Origin: Proudly Made in the United States of America (Modesto, California)
  • Platform Fitment Bounds: Direct performance factory plug-and-play drop-in maintenance replacement or drivetrain safety overhaul hardware package designed explicitly for conventional 5-speed manual transmission mainshaft assemblies running on classic 1984 to 1994 carburetor-equipped Harley-Davidson Big Twin models:
    • Harley Softail Series (1984–1994): Heritage Softail Classic (FLSTC), Fat Boy (FLSTF), Softail Custom (FXSTC), Springer Softail (FXSTS), Night Train (FXSTB), and Softail Standard (FXST).
    • Harley Touring Series (1984–1994): Road King (FLHR), Electra Glide Classic (FLHTC), Ultra Classic Electra Glide (FLHTCU), and Tour Glide Ultra Classic (FLTCU).
    • Harley FXR Super Glide Series (1984–1994): FXR, FXRS Low Rider, FXRT Sport Glide, and FXRDG Disc Glide configurations.
    • Harley Dyna Glide Generations (1991–1994): Dyna Sturgis (FXDB), Dyna Glide Custom (FXDC), and Dyna Wide Glide (FXDWG). [1]

Harley Big Twin 5-Speed Trans Main Drive Gear Oil Seals James Gaskets 12050 NOS

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Brand: Genuine James Gaskets (Premium High-Performance Aftermarket Restoration Core)  Component Type: 5-Speed Manual Transmission Main Drive Gear Sprocket Output Shaft... Read more

1 in stock

$18.95

    • Shipped today? Order within: Sep 07, 2026 10:00:00 -0400

    Description

    • Brand: Genuine James Gaskets (Premium High-Performance Aftermarket Restoration Core) 
    • Component Type: 5-Speed Manual Transmission Main Drive Gear Sprocket Output Shaft Oil Seal 
    • Total Kit Volume Sizing: 2-Piece Complete Mechanical System Hardware Replacement Lot (Pack of 2 Seals)
    • Manufacturer Component Code: Part #12050 (Cross-matches industry standard JGI-12050 parameters) 
    • Seal Lip Interface Configuration: Specialized high-efficiency double-lip (DL) internal tracking barrier
    • Material Base: Through-hardened structural metal ring casing blanketed in a state-of-the-art foam-covered oil-resistant elastomer matrix. 
    • Country of Origin: Proudly Made in the United States of America (Modesto, California)
    • Platform Fitment Bounds: Direct performance factory plug-and-play drop-in maintenance replacement or drivetrain safety overhaul hardware package designed explicitly for conventional 5-speed manual transmission mainshaft assemblies running on classic 1984 to 1994 carburetor-equipped Harley-Davidson Big Twin models:
      • Harley Softail Series (1984–1994): Heritage Softail Classic (FLSTC), Fat Boy (FLSTF), Softail Custom (FXSTC), Springer Softail (FXSTS), Night Train (FXSTB), and Softail Standard (FXST).
      • Harley Touring Series (1984–1994): Road King (FLHR), Electra Glide Classic (FLHTC), Ultra Classic Electra Glide (FLHTCU), and Tour Glide Ultra Classic (FLTCU).
      • Harley FXR Super Glide Series (1984–1994): FXR, FXRS Low Rider, FXRT Sport Glide, and FXRDG Disc Glide configurations.
      • Harley Dyna Glide Generations (1991–1994): Dyna Sturgis (FXDB), Dyna Glide Custom (FXDC), and Dyna Wide Glide (FXDWG). [1]

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