Twin Power Big Twin Oil Pump Check Ball — Replaces H-D 8866

SKU: TWP046504
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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.

Watch in action

Maintain Peak Oil Pressure with Twin Power Oil Pump Check Ball

Keep your Harley-Davidson Big Twin engine running smoothly and efficiently with the Twin Power Oil Pump Check Ball. Designed as a direct replacement for Harley-Davidson part number 8866, this essential component ensures your oil pump functions correctly, maintaining optimal oil pressure throughout your ride.

Product Highlights:

  • Direct Replacement: Engineered to perfectly fit Big Twin Harley-Davidson models, excluding 1999 Twin Cam engines.
  • Replaces H-D 8866: A reliable alternative to the Original Equipment Manufacturer (OEM) part, ensuring compatibility and performance.
  • Essential for Oil Pump Function: This check ball is crucial for the proper operation of your oil pump, preventing backflow and maintaining consistent lubrication.
  • Durable Construction: Built with quality materials to withstand the demanding environment of your engine's oil system.
  • Restores Performance: Helps to restore proper oil pressure, preventing potential engine damage caused by inadequate lubrication.

Proper lubrication is vital for the longevity and performance of any V-twin engine. A failing check ball can lead to decreased oil pressure, overheating, and premature wear. This Twin Power check ball is a cost-effective solution to ensure your oil pump is delivering the protection your engine needs.

Whether you're performing routine maintenance or addressing an oil pressure issue, the Twin Power Oil Pump Check Ball is a reliable choice. Its precise fit and quality construction provide peace of mind, knowing your engine is protected.

Get the Twin Power Oil Pump Check Ball for your Harley-Davidson Big Twin today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1998 Harley-Davidson FLHR Road King Base
1998 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1995-1998 Harley-Davidson FLHT Electra Glide Standard Base
1983-1998 Harley-Davidson FLHTC Electra Glide Classic Base
1996-1998 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FLSTN Heritage Softail Nostalgia Base
1997-1999 Harley-Davidson FLSTS Heritage Springer Base
1971-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1995-1998 Harley-Davidson FXD Dyna Super Glide Base
1983 Harley-Davidson FXDG Disc Glide Base
1993-1998 Harley-Davidson FXDWG Dyna Wide Glide Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1999 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

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.

Watch in action

Maintain Peak Oil Pressure with Twin Power Oil Pump Check Ball

Keep your Harley-Davidson Big Twin engine running smoothly and efficiently with the Twin Power Oil Pump Check Ball. Designed as a direct replacement for Harley-Davidson part number 8866, this essential component ensures your oil pump functions correctly, maintaining optimal oil pressure throughout your ride.

Product Highlights:

  • Direct Replacement: Engineered to perfectly fit Big Twin Harley-Davidson models, excluding 1999 Twin Cam engines.
  • Replaces H-D 8866: A reliable alternative to the Original Equipment Manufacturer (OEM) part, ensuring compatibility and performance.
  • Essential for Oil Pump Function: This check ball is crucial for the proper operation of your oil pump, preventing backflow and maintaining consistent lubrication.
  • Durable Construction: Built with quality materials to withstand the demanding environment of your engine's oil system.
  • Restores Performance: Helps to restore proper oil pressure, preventing potential engine damage caused by inadequate lubrication.

Proper lubrication is vital for the longevity and performance of any V-twin engine. A failing check ball can lead to decreased oil pressure, overheating, and premature wear. This Twin Power check ball is a cost-effective solution to ensure your oil pump is delivering the protection your engine needs.

Whether you're performing routine maintenance or addressing an oil pressure issue, the Twin Power Oil Pump Check Ball is a reliable choice. Its precise fit and quality construction provide peace of mind, knowing your engine is protected.

Get the Twin Power Oil Pump Check Ball for your Harley-Davidson Big Twin today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1998 Harley-Davidson FLHR Road King Base
1998 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1995-1998 Harley-Davidson FLHT Electra Glide Standard Base
1983-1998 Harley-Davidson FLHTC Electra Glide Classic Base
1996-1998 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FLSTN Heritage Softail Nostalgia Base
1997-1999 Harley-Davidson FLSTS Heritage Springer Base
1971-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1995-1998 Harley-Davidson FXD Dyna Super Glide Base
1983 Harley-Davidson FXDG Disc Glide Base
1993-1998 Harley-Davidson FXDWG Dyna Wide Glide Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1999 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

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.

Watch in action

Maintain Peak Oil Pressure with Twin Power Oil Pump Check Ball

Keep your Harley-Davidson Big Twin engine running smoothly and efficiently with the Twin Power Oil Pump Check Ball. Designed as a direct replacement for Harley-Davidson part number 8866, this essential component ensures your oil pump functions correctly, maintaining optimal oil pressure throughout your ride.

Product Highlights:

  • Direct Replacement: Engineered to perfectly fit Big Twin Harley-Davidson models, excluding 1999 Twin Cam engines.
  • Replaces H-D 8866: A reliable alternative to the Original Equipment Manufacturer (OEM) part, ensuring compatibility and performance.
  • Essential for Oil Pump Function: This check ball is crucial for the proper operation of your oil pump, preventing backflow and maintaining consistent lubrication.
  • Durable Construction: Built with quality materials to withstand the demanding environment of your engine's oil system.
  • Restores Performance: Helps to restore proper oil pressure, preventing potential engine damage caused by inadequate lubrication.

Proper lubrication is vital for the longevity and performance of any V-twin engine. A failing check ball can lead to decreased oil pressure, overheating, and premature wear. This Twin Power check ball is a cost-effective solution to ensure your oil pump is delivering the protection your engine needs.

Whether you're performing routine maintenance or addressing an oil pressure issue, the Twin Power Oil Pump Check Ball is a reliable choice. Its precise fit and quality construction provide peace of mind, knowing your engine is protected.

Get the Twin Power Oil Pump Check Ball for your Harley-Davidson Big Twin today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1998 Harley-Davidson FLHR Road King Base
1998 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1995-1998 Harley-Davidson FLHT Electra Glide Standard Base
1983-1998 Harley-Davidson FLHTC Electra Glide Classic Base
1996-1998 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1993 Harley-Davidson FLSTN Heritage Softail Nostalgia Base
1997-1999 Harley-Davidson FLSTS Heritage Springer Base
1971-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1995-1998 Harley-Davidson FXD Dyna Super Glide Base
1983 Harley-Davidson FXDG Disc Glide Base
1993-1998 Harley-Davidson FXDWG Dyna Wide Glide Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1999 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

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