The Hot Rods Countershaft Seal Kit, manufacturer part number OSK0004 and vendor part number 421-5004, provides a complete solution for repairing a leaking countershaft seal on select Honda CR500R motorcycles. Designed for a dependable fit and straightforward installation, this kit helps restore sealing performance around the countershaft and supports reliable drivetrain operation.
The kit includes a Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer where applicable. Each component is selected to support proper fitment and service of the countershaft assembly. The kit does not include a water pump bearing or transmission bearings, so those components must be sourced separately if required for the repair.
Fitment includes 1988, 1989, 1990, 1991, 1992, 1993, 1998, 1999, 2000, and 2001 Honda CR500R models. Verify the motorcycle year and application before installation to ensure compatibility. Built by Hot Rods, this countershaft seal kit is a practical replacement option for maintenance, repair, or drivetrain restoration.
- Manufacturer Part Number: OSK0004
- Vendor Part Number: 421-5004
- Brand: Hot Rods
- Model: Countershaft Seal Kit
- Fitment: 1988–1993 and 1998–2001 Honda CR500R
Features:
- Complete repair kit for a leaking countershaft seal
- Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer where applicable
- Designed for select Honda CR500R motorcycles from 1988–1993 and 1998–2001
- Does not include the water pump bearing or transmission bearings
Fitment:
1988 Honda CR250R
1988 Honda CR500R
1989 Honda CR250R
1989 Honda CR500R
1990 Honda CR250R
1990 Honda CR500R
1991 Honda CR250R
1991 Honda CR500R
1992 Honda CR250R
1992 Honda CR500R
1993 Honda CR250R
1993 Honda CR500R
1994 Honda CR250R
1994 Honda CR500R
1995 Honda CR250R
1995 Honda CR500R
1996 Honda CR250R
1996 Honda CR500R
1997 Honda CR250R
1997 Honda CR500R
1998 Honda CR250R
1998 Honda CR500R
1999 Honda CR250R
1999 Honda CR500R
2000 Honda CR250R
2000 Honda CR500R
2001 Honda CR250R
2001 Honda CR500R
2002 Honda CR250R
2003 Honda CR250R
2004 Honda CR250R