Twin Power Transmission Shift Shaft Seal for Harley 5-Speed Big Twin 1980-2006 — Replaces H-D 12045DL (5 Pk)

SKU: TWP043291
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

Twin Power Transmission Shift Shaft Seal for Harley-Davidson 5-Speed Big Twins

Keep your Harley-Davidson's transmission shifting smoothly and leak-free with this 5-pack of transmission shift shaft seals from Twin Power. These seals are specifically designed for 1980-2006 5-Speed Big Twin models, providing a reliable replacement for Harley-Davidson part number 12045DL. A properly functioning shift shaft seal is crucial for preventing oil leaks and maintaining the integrity of your transmission.

Key Features and Benefits:

  • Direct Fit Replacement: Replaces Harley-Davidson part # 12045DL, ensuring compatibility with a wide range of 5-speed Big Twin transmissions.
  • Extensive Fitment: Designed for 1980-2006 Harley-Davidson Big Twin models, including popular lines like Electra Glide, Heritage Softail, Fat Boy, and Dyna.
  • Durable Material: Manufactured from high-quality, oil-resistant rubber and metal components to ensure long-lasting performance under demanding conditions.
  • 5-Pack Value: Includes five seals, offering excellent value and providing spares for future maintenance needs.
  • Prevents Leaks: Essential for sealing the shift shaft, preventing transmission fluid from escaping and protecting the transmission from external contaminants.

The shift shaft seal is a small but vital component that prevents transmission oil from leaking out around the shift lever mechanism. Over time, these seals can degrade or become damaged, leading to leaks and potential transmission issues. This Twin Power seal offers a dependable solution to maintain your transmission's health and prevent costly repairs.

Trust Twin Power for quality replacement parts that keep your classic Harley-Davidson running strong. Ensure your transmission is properly sealed and protected. Get your 5-pack of shift shaft seals today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1997-2006 Harley-Davidson FLHR Road King Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2006 Harley-Davidson FLHRS Road King Custom Base
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
2003 Harley-Davidson FLHRSEI2 Screamin Eagle Road King 2 Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2006 Harley-Davidson FLHT Electra Glide Standard Base
1983-2005 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2006 Harley-Davidson FLHX Street Glide Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
2006 Harley-Davidson FLST Heritage Softail Base
1988-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1990-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2005-2006 Harley-Davidson FLSTN Softail Deluxe Base
1997-2006 Harley-Davidson FLSTS Heritage Springer Base
2005-2006 Harley-Davidson FLSTSC Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2006 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
1995-2006 Harley-Davidson FXD Dyna Super Glide Base
2006 Harley-Davidson FXDBI Street Bob Base
1992 Harley-Davidson FXDC Super Glide Custom Base
2005 Harley-Davidson FXDC Super Glide Custom Base
2005-2006 Harley-Davidson FXDCI Super Glide Custom Base
1983 Harley-Davidson FXDG Disc Glide Base
2006 Harley-Davidson FXDI Dyna Super Glide Base
1993-2005 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1993-2006 Harley-Davidson FXDWG Dyna Wide Glide Base
2001 Harley-Davidson FXDWG2 Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
2000 Harley-Davidson FXR4 Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1995 Harley-Davidson FXRPF Police Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1983-1992 Harley-Davidson FXRT Sport Glide Base
1980-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-2006 Harley-Davidson FXST Softail Standard Base

…and 10 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

Twin Power Transmission Shift Shaft Seal for Harley-Davidson 5-Speed Big Twins

Keep your Harley-Davidson's transmission shifting smoothly and leak-free with this 5-pack of transmission shift shaft seals from Twin Power. These seals are specifically designed for 1980-2006 5-Speed Big Twin models, providing a reliable replacement for Harley-Davidson part number 12045DL. A properly functioning shift shaft seal is crucial for preventing oil leaks and maintaining the integrity of your transmission.

Key Features and Benefits:

  • Direct Fit Replacement: Replaces Harley-Davidson part # 12045DL, ensuring compatibility with a wide range of 5-speed Big Twin transmissions.
  • Extensive Fitment: Designed for 1980-2006 Harley-Davidson Big Twin models, including popular lines like Electra Glide, Heritage Softail, Fat Boy, and Dyna.
  • Durable Material: Manufactured from high-quality, oil-resistant rubber and metal components to ensure long-lasting performance under demanding conditions.
  • 5-Pack Value: Includes five seals, offering excellent value and providing spares for future maintenance needs.
  • Prevents Leaks: Essential for sealing the shift shaft, preventing transmission fluid from escaping and protecting the transmission from external contaminants.

The shift shaft seal is a small but vital component that prevents transmission oil from leaking out around the shift lever mechanism. Over time, these seals can degrade or become damaged, leading to leaks and potential transmission issues. This Twin Power seal offers a dependable solution to maintain your transmission's health and prevent costly repairs.

Trust Twin Power for quality replacement parts that keep your classic Harley-Davidson running strong. Ensure your transmission is properly sealed and protected. Get your 5-pack of shift shaft seals today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1997-2006 Harley-Davidson FLHR Road King Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2006 Harley-Davidson FLHRS Road King Custom Base
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
2003 Harley-Davidson FLHRSEI2 Screamin Eagle Road King 2 Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2006 Harley-Davidson FLHT Electra Glide Standard Base
1983-2005 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2006 Harley-Davidson FLHX Street Glide Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
2006 Harley-Davidson FLST Heritage Softail Base
1988-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1990-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2005-2006 Harley-Davidson FLSTN Softail Deluxe Base
1997-2006 Harley-Davidson FLSTS Heritage Springer Base
2005-2006 Harley-Davidson FLSTSC Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2006 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
1995-2006 Harley-Davidson FXD Dyna Super Glide Base
2006 Harley-Davidson FXDBI Street Bob Base
1992 Harley-Davidson FXDC Super Glide Custom Base
2005 Harley-Davidson FXDC Super Glide Custom Base
2005-2006 Harley-Davidson FXDCI Super Glide Custom Base
1983 Harley-Davidson FXDG Disc Glide Base
2006 Harley-Davidson FXDI Dyna Super Glide Base
1993-2005 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1993-2006 Harley-Davidson FXDWG Dyna Wide Glide Base
2001 Harley-Davidson FXDWG2 Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
2000 Harley-Davidson FXR4 Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1995 Harley-Davidson FXRPF Police Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1983-1992 Harley-Davidson FXRT Sport Glide Base
1980-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-2006 Harley-Davidson FXST Softail Standard Base

…and 10 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

Twin Power Transmission Shift Shaft Seal for Harley-Davidson 5-Speed Big Twins

Keep your Harley-Davidson's transmission shifting smoothly and leak-free with this 5-pack of transmission shift shaft seals from Twin Power. These seals are specifically designed for 1980-2006 5-Speed Big Twin models, providing a reliable replacement for Harley-Davidson part number 12045DL. A properly functioning shift shaft seal is crucial for preventing oil leaks and maintaining the integrity of your transmission.

Key Features and Benefits:

  • Direct Fit Replacement: Replaces Harley-Davidson part # 12045DL, ensuring compatibility with a wide range of 5-speed Big Twin transmissions.
  • Extensive Fitment: Designed for 1980-2006 Harley-Davidson Big Twin models, including popular lines like Electra Glide, Heritage Softail, Fat Boy, and Dyna.
  • Durable Material: Manufactured from high-quality, oil-resistant rubber and metal components to ensure long-lasting performance under demanding conditions.
  • 5-Pack Value: Includes five seals, offering excellent value and providing spares for future maintenance needs.
  • Prevents Leaks: Essential for sealing the shift shaft, preventing transmission fluid from escaping and protecting the transmission from external contaminants.

The shift shaft seal is a small but vital component that prevents transmission oil from leaking out around the shift lever mechanism. Over time, these seals can degrade or become damaged, leading to leaks and potential transmission issues. This Twin Power seal offers a dependable solution to maintain your transmission's health and prevent costly repairs.

Trust Twin Power for quality replacement parts that keep your classic Harley-Davidson running strong. Ensure your transmission is properly sealed and protected. Get your 5-pack of shift shaft seals today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1997-2006 Harley-Davidson FLHR Road King Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2006 Harley-Davidson FLHRS Road King Custom Base
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
2003 Harley-Davidson FLHRSEI2 Screamin Eagle Road King 2 Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2006 Harley-Davidson FLHT Electra Glide Standard Base
1983-2005 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2006 Harley-Davidson FLHX Street Glide Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
2006 Harley-Davidson FLST Heritage Softail Base
1988-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1990-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2005-2006 Harley-Davidson FLSTN Softail Deluxe Base
1997-2006 Harley-Davidson FLSTS Heritage Springer Base
2005-2006 Harley-Davidson FLSTSC Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2006 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
1995-2006 Harley-Davidson FXD Dyna Super Glide Base
2006 Harley-Davidson FXDBI Street Bob Base
1992 Harley-Davidson FXDC Super Glide Custom Base
2005 Harley-Davidson FXDC Super Glide Custom Base
2005-2006 Harley-Davidson FXDCI Super Glide Custom Base
1983 Harley-Davidson FXDG Disc Glide Base
2006 Harley-Davidson FXDI Dyna Super Glide Base
1993-2005 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1993-2006 Harley-Davidson FXDWG Dyna Wide Glide Base
2001 Harley-Davidson FXDWG2 Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
2000 Harley-Davidson FXR4 Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1995 Harley-Davidson FXRPF Police Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1983-1992 Harley-Davidson FXRT Sport Glide Base
1980-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-2006 Harley-Davidson FXST Softail Standard Base

…and 10 additional fitments. Contact us to confirm yours.

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