Cometic Derby Cover O-Ring
Seal your primary with the Cometic Derby Cover Gasket, a precision seal for Harley engines. This gasket fits under your derby cover, preventing oil leaks and keeping your primary clean and lubricated. Easy to install, it slips into place on specific Harley models, offering a quick fix during maintenance or rebuilds. Built from high-quality materials, it resists heat, oil, and pressure, ensuring a tight seal through every ride. Perfect for riders wrenching their own bikes, it’s a small part that delivers big reliability for your engine’s core. The durable material holds up to repeated installs, making it a go-to for long-term use. Trust Cometic to lock in your Harley’s oil with this tough, dependable gasket.

The only way to get long-term reliability is through high-quality gaskets
Premium fuel-resistant materials used in manufacturing so the gaskets will not creep, crack or become brittle

Replaces OEM # 25416-84

Included Items:
(10) O-Rings
No instructions

Specs
Product Name O-Ring
Application Derby Cover
Material Nitrile Rubber
Units 10 Pack
Riding Style Street

Package info
Weight 0.19 lbs
Height 0.39
Length 8.93
Width 5.98

Harley-Davidson
Disc Glide - FXRDG 1984
Dyna Convertible - FXDS-CONV 1995-1998
Dyna Daytona - FXDB 1992
Dyna Glide Custom - FXDC 1992
Dyna Low Rider - FXDL 1993-1998
Dyna Low Rider Convertible - FXDS-CONV 1994
Dyna Sturgis - FXDB 1991
Dyna Super Glide - FXD 1995-1998
Dyna Wide Glide - FXDWG 1993-1998
Electra Glide - FLHT 1985-1987
Electra Glide Classic - FLHTC 1985-1998
Electra Glide Classic - FLHTC (Early Model) 1984
Electra Glide Classic - FLHTC (Late Model) 1984
Electra Glide Classic Injected - FLHTC I 1996-1998
Electra Glide Sport - FLHS 1984, 1987-1993
Electra Glide Standard - FLHT 1995-1998
Electra Glide Ultra Classic - FLHTCU 1989-1998
Electra Glide Ultra Classic Injected - FLHTCU I 1995-1998
FXR 2 1999
FXR 3 1999
FXR 4 2000
FXR Police - FXRP W/Fairing 1985-1988
FXR Police - FXRP W/Fairing (Late Model) 1984
Heritage Softail - FLST 1986-1990
Heritage Softail Classic - FLSTC 1987-1998
Heritage Softail Nostalgia - FLSTN 1993
Heritage Softail Special - FLSTN 1994-1996
Heritage Softail Springer - FLSTS 1997-1998
Low Glide - FXRS 1984-1985
Low Glide Custom - FXRC 1985
Low Rider - FXRS 1986-1993
Low Rider - FXSB 1984-1985
Low Rider Chrome - FXRC 1987
Low Rider Convertible - FXRS-CONV 1990-1993
Low Rider Custom - FXLR 1987-1994
Low Rider Sport - FXRS-SP 1986-1993
Road Glide - FLTR 1998
Road Glide Injected - FLTR I 1998
Road King - FLHR 1994-1998
Road King Classic Injected - FLHRC I 1998
Road King Injected - FLHR I 1996-1998
Softail - FXST 1984-1993
Softail Custom - FXSTC 1986-1998
Softail Fat Boy - FLSTF 1990-1998
Softail Springer - FXSTS 1988-1998
Softail Springer Bad Boy - FXSTSB 1995-1997
Softail Standard - FXST 1999
Sport Glide - FXRT 1985-1993
Sport Glide - FXRT (Early Model) 1984
Sport Glide - FXRT (Late Model) 1984
Sport Glide Grand Touring - FXRD 1986
Super Glide - FXE 1984
Super Glide - FXR 1984-1994
Super Glide Fat Bob - FXEF 1985
Tour Glide Classic - FLTC 1983, 1985-1994
Tour Glide Classic - FLTC (Early Model) 1984
Tour Glide Classic - FLTC (Late Model) 1984
Tour Glide Ultra Classic - FLTCU 1989-1995
Tour Glide Ultra Classic Injected - FLTCU I 1996
Wide Glide - FXWG 1984-1986