S&S Cycle 36-91 Standard Oil Pump Gasket
$42.99
Standard oil pump rebuild gasket for 1936-1991 big twin. Compatible with either S&S standard cast or billet oil pumps.
The S&S Cycle 31-6271 is suited for select 1990–1991 Harley-Davidson models, including the FLST Heritage Softail, FLSTC Heritage Softail Classic, FLSTF Fat Boy, FXLR Low Rider Custom, FXRT Sport Glide, and FXSTS Springer Softail. Always verify the motorcycle’s year, model, and oil pump configuration before installation to ensure correct fitment.
Use this gasket when replacing a worn, damaged, or previously compressed oil pump seal during routine maintenance or a complete rebuild. Properly clean and inspect the mating surfaces, follow the oil pump manufacturer’s installation procedures, and confirm that all components are correctly aligned before tightening fasteners. As an original S&S Cycle replacement component, part number 31-6271 provides a dependable solution for maintaining the integrity of compatible Big Twin oil pump assemblies.
Fitment:
Harley Davidson FLST Heritage Softail Base 1986
Harley Davidson FLST Heritage Softail Base 1987
Harley Davidson FLST Heritage Softail Base 1988
Harley Davidson FLST Heritage Softail Base 1989
Harley Davidson FLST Heritage Softail Base 1990
Harley Davidson FLSTC Heritage Softail Classic Base 1988
Harley Davidson FLSTC Heritage Softail Classic Base 1989
Harley Davidson FLSTC Heritage Softail Classic Base 1990
Harley Davidson FLSTC Heritage Softail Classic Base 1991
Harley Davidson FLSTF Fat Boy Base 1990
Harley Davidson FLSTF Fat Boy Base 1991
Harley Davidson FXLR Low Rider Custom Base 1987
Harley Davidson FXLR Low Rider Custom Base 1988
Harley Davidson FXLR Low Rider Custom Base 1989
Harley Davidson FXLR Low Rider Custom Base 1990
Harley Davidson FXLR Low Rider Custom Base 1991
Harley Davidson FXRS Low Glide Base 1982
Harley Davidson FXRS Low Glide Base 1983
Harley Davidson FXRS Low Glide Base 1984
Harley Davidson FXRS Low Glide Base 1985
Harley Davidson FXRS Low Glide Base 1986
Harley Davidson FXRS Low Glide Base 1987
Harley Davidson FXRS Low Glide Base 1988
Harley Davidson FXRS Low Glide Base 1989
Harley Davidson FXRS Low Glide Base 1990
Harley Davidson FXRS Low Glide Base 1991
Harley Davidson FXRT Sport Glide Base 1983
Harley Davidson FXRT Sport Glide Base 1984
Harley Davidson FXRT Sport Glide Base 1985
Harley Davidson FXRT Sport Glide Base 1986
Harley Davidson FXRT Sport Glide Base 1987
Harley Davidson FXRT Sport Glide Base 1988
Harley Davidson FXRT Sport Glide Base 1989
Harley Davidson FXRT Sport Glide Base 1990
Harley Davidson FXRT Sport Glide Base 1991
Harley Davidson FXS Low Rider Base 1977
Harley Davidson FXS Low Rider Base 1978
Harley Davidson FXS Low Rider Base 1979
Harley Davidson FXS Low Rider Base 1980
Harley Davidson FXS Low Rider Base 1981
Harley Davidson FXS Low Rider Base 1982
Harley Davidson FXSB Low Rider - Belt Base 1983
Harley Davidson FXSB Low Rider - Belt Base 1984
Harley Davidson FXSB Low Rider - Belt Base 1985
Harley Davidson FXST Softail Standard Base 1984
Harley Davidson FXST Softail Standard Base 1985
Harley Davidson FXST Softail Standard Base 1986
Harley Davidson FXST Softail Standard Base 1987
Harley Davidson FXST Softail Standard Base 1988
Harley Davidson FXST Softail Standard Base 1989
Harley Davidson FXST Softail Standard Base 1990
Harley Davidson FXST Softail Standard Base 1991
Harley Davidson FXSTS Springer Softail Base 1988
Harley Davidson FXSTS Springer Softail Base 1989
Harley Davidson FXSTS Springer Softail Base 1990
Harley Davidson FXSTS Springer Softail Base 1991
Harley Davidson FXWG Wide Glide Base 1980
Harley Davidson FXWG Wide Glide Base 1981
Harley Davidson FXWG Wide Glide Base 1982
Harley Davidson FXWG Wide Glide Base 1983
Harley Davidson FXWG Wide Glide Base 1984
Harley Davidson FXWG Wide Glide Base 1985
Harley Davidson FXWG Wide Glide Base 1986
- One required per pump, sold each.
Restore a reliable seal during oil pump service with the S&S Cycle 31-6271 Standard Oil Pump Gasket. Designed for 1936–1991 Harley-Davidson Big Twin applications, this replacement gasket supports proper oil pump assembly and helps prevent leaks when rebuilding or servicing the lubrication system. It is compatible with S&S Cycle standard cast and billet oil pumps.
- One gasket is required per oil pump and the gasket is sold individually.
The S&S Cycle 31-6271 is suited for select 1990–1991 Harley-Davidson models, including the FLST Heritage Softail, FLSTC Heritage Softail Classic, FLSTF Fat Boy, FXLR Low Rider Custom, FXRT Sport Glide, and FXSTS Springer Softail. Always verify the motorcycle’s year, model, and oil pump configuration before installation to ensure correct fitment.
Use this gasket when replacing a worn, damaged, or previously compressed oil pump seal during routine maintenance or a complete rebuild. Properly clean and inspect the mating surfaces, follow the oil pump manufacturer’s installation procedures, and confirm that all components are correctly aligned before tightening fasteners. As an original S&S Cycle replacement component, part number 31-6271 provides a dependable solution for maintaining the integrity of compatible Big Twin oil pump assemblies.
Features:
- Application: Standard oil pump rebuild gasket for 1936–1991 Harley-Davidson Big Twin motorcycles
- Compatibility: Fits S&S Cycle standard cast and billet oil pumps
- Service Use: Designed for oil pump rebuilding and replacement gasket applications
- Quantity: One gasket required per pump; sold individually
- Fitment: Compatible with select 1990–1991 Harley-Davidson FLST, FLSTC, FLSTF, FXLR, FXRT, and FXSTS models
Fitment:
Harley Davidson FLST Heritage Softail Base 1986
Harley Davidson FLST Heritage Softail Base 1987
Harley Davidson FLST Heritage Softail Base 1988
Harley Davidson FLST Heritage Softail Base 1989
Harley Davidson FLST Heritage Softail Base 1990
Harley Davidson FLSTC Heritage Softail Classic Base 1988
Harley Davidson FLSTC Heritage Softail Classic Base 1989
Harley Davidson FLSTC Heritage Softail Classic Base 1990
Harley Davidson FLSTC Heritage Softail Classic Base 1991
Harley Davidson FLSTF Fat Boy Base 1990
Harley Davidson FLSTF Fat Boy Base 1991
Harley Davidson FXLR Low Rider Custom Base 1987
Harley Davidson FXLR Low Rider Custom Base 1988
Harley Davidson FXLR Low Rider Custom Base 1989
Harley Davidson FXLR Low Rider Custom Base 1990
Harley Davidson FXLR Low Rider Custom Base 1991
Harley Davidson FXRS Low Glide Base 1982
Harley Davidson FXRS Low Glide Base 1983
Harley Davidson FXRS Low Glide Base 1984
Harley Davidson FXRS Low Glide Base 1985
Harley Davidson FXRS Low Glide Base 1986
Harley Davidson FXRS Low Glide Base 1987
Harley Davidson FXRS Low Glide Base 1988
Harley Davidson FXRS Low Glide Base 1989
Harley Davidson FXRS Low Glide Base 1990
Harley Davidson FXRS Low Glide Base 1991
Harley Davidson FXRT Sport Glide Base 1983
Harley Davidson FXRT Sport Glide Base 1984
Harley Davidson FXRT Sport Glide Base 1985
Harley Davidson FXRT Sport Glide Base 1986
Harley Davidson FXRT Sport Glide Base 1987
Harley Davidson FXRT Sport Glide Base 1988
Harley Davidson FXRT Sport Glide Base 1989
Harley Davidson FXRT Sport Glide Base 1990
Harley Davidson FXRT Sport Glide Base 1991
Harley Davidson FXS Low Rider Base 1977
Harley Davidson FXS Low Rider Base 1978
Harley Davidson FXS Low Rider Base 1979
Harley Davidson FXS Low Rider Base 1980
Harley Davidson FXS Low Rider Base 1981
Harley Davidson FXS Low Rider Base 1982
Harley Davidson FXSB Low Rider - Belt Base 1983
Harley Davidson FXSB Low Rider - Belt Base 1984
Harley Davidson FXSB Low Rider - Belt Base 1985
Harley Davidson FXST Softail Standard Base 1984
Harley Davidson FXST Softail Standard Base 1985
Harley Davidson FXST Softail Standard Base 1986
Harley Davidson FXST Softail Standard Base 1987
Harley Davidson FXST Softail Standard Base 1988
Harley Davidson FXST Softail Standard Base 1989
Harley Davidson FXST Softail Standard Base 1990
Harley Davidson FXST Softail Standard Base 1991
Harley Davidson FXSTS Springer Softail Base 1988
Harley Davidson FXSTS Springer Softail Base 1989
Harley Davidson FXSTS Springer Softail Base 1990
Harley Davidson FXSTS Springer Softail Base 1991
Harley Davidson FXWG Wide Glide Base 1980
Harley Davidson FXWG Wide Glide Base 1981
Harley Davidson FXWG Wide Glide Base 1982
Harley Davidson FXWG Wide Glide Base 1983
Harley Davidson FXWG Wide Glide Base 1984
Harley Davidson FXWG Wide Glide Base 1985
Harley Davidson FXWG Wide Glide Base 1986