- Non Genuine Replacement Guide Bar Nut for STIHL Chainsaws.
- Replaces Part Numbers: 1123 664 2400.
- Fits Models: STIHL MS210, MS210C, MS231, MS231C, MS251, MS251C, MS211, MS211C, MS250, MS250C, MS170, MS170C, MS181, MS181C, MS230, MS230C, MSA160C, MS190T, MS192C, MSE140C, MSE160C, MSE180C, MSE200C, MS192T, MS192TC, 017, 018, E140, E160, E180C, MS180, MS180C, 021, 023, 025, MS181, MS181C, 019T, MS171, MS211, MS211C, MS191T