Rebuild Kit ZAMA RB-188.  

Echo P005002280, P005000950

SR-5

This item is part of these Models:

RB-K101
RB-K106
RB-K66B
RB-K67B
RB-K70A
RB-K71
RB-K72
RB-K75
RB-K85
RB-K86
RB-K87
RB-K88
RB-K90
RB-K91
RB-K92A
RB-K93, RB-K93A
RB-K96
RB-K111
RB-K118
RB-K102
RB-K97

Fits Echo PB-251