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Twin Power 37-99 Big Twin Except 99 Twin Cam Oil Pump Check Ball Replaces H-D 8866

$31.99
In stock
Only 32 item(s) left in stock
Twin Power's Oil Pump Check Ball for 1937-1999 Big Twin models (excluding 1999 Twin Cam) is a precision steel component that works with the pump check system to help maintain proper oil pressure, prevent drain back when the engine is off, and provide a reliable replacement option for worn or pitted original parts in stock or rebuilt motors.

This Part Fits:

Year Make Model Submodel
1971-1980 Harley-Davidson FLH Electra Glide Base
1994-1998 Harley-Davidson FLHR Road King Base
1998 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
1980-1984,1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1986-1998 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
1995-1998 Harley-Davidson FLHTCUI 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
1994-1996 Harley-Davidson FLSTN Heritage Softail Special 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 FXDL Dyna Low Rider 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
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-1999 Harley-Davidson FXST Softail Standard 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
1958-1976 Harley-Davidson XLCH Base
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Photo - Primary
Twin Power 37-99 Big Twin Except 99 Twin Cam Oil Pump Check Ball Replaces H-D 8866
$31.99

Frequently Asked Questions

Please verify your vehicle’s make, model, year, and engine variant before purchasing. You can also check the OEM number or part number listed in the product description to ensure compatibility with your vehicle.
Yes, most parts come with a manufacturer warranty or seller warranty. Warranty details, if applicable, are mentioned in the product specifications section.
If you receive a damaged, defective, or incorrect item, please contact our support team within 48 hours of delivery with photos of the product and packaging. Our team will assist you with a replacement or return.
Yes, returns are accepted for unused products in their original packaging within the specified return period. Please ensure the part has not been installed or used.
Shipping times usually range between 2–7 business days, depending on your location and product availability.
Once your order is shipped, you will receive a tracking number via email or SMS, which you can use to track the delivery status.
Product images are for reference purposes only. The actual product may slightly vary depending on the manufacturer or batch, but the specifications will remain the same.
Yes, we accept bulk and wholesale orders. Please contact our support team for special pricing and availability.

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