HOUSING 6B9158 - Caterpillar

Excavator:
385B (S/N: RCD1-UP; BKF1-UP; CLS1-UP; BKX1-UP)
385B L (S/N: MYA1-UP; FDL1-UP; ANS1-UP; BLY1-UP)
385C (S/N: KBC1-UP; KKK1-UP; JCM1-UP; MNZ1-UP)
385C L (S/N: EDA1-UP; KGB1-UP; SBE1-UP; T2E1-UP)
385C L MH (S/N: WAW1-UP)
385C FS (S/N: MMA1-UP; T2F1-UP; EAM1-UP)
5090B (S/N: CLD1-UP; SJY1-UP)
The new idler and bearing assembly has improved service life for machines that are being operated in harsh conditions.In the event of a failure, replace the former idler assembly with the new idler and bearing assembly in order to gain the benefits of this design change.The new 278-7286 Idler and Bearing Assembly is a replacement for the former 203-4862 Idler Assembly and is adaptable to the machines that are listed above.