NEW Muffler, part number 5I7935 , for a Caterpillar 311B , 312B , 312BL hydraulic excavators serial # 6GK1397-UP (This is only for a few Cat 311's and Cat 312's , please call or see separate listing for the earlier Cat 312's). This part is for the following serial number prefixes: 6GK 9LJ. 8JR
CAT - 311 9LJ 00731-UP
CAT - 312 6GK 01397-UP
These models have 3064 engine
We also can supply you with related parts such as clamp/bracket ( 5I7639 ) etc to get you up and running. We only list a few of the parts you may need for this or other machines, but we would be happy to help you with ANY other part needs. For this machine we commonly sell pins, bushings, undercarriage, hydraulic cylinders, seal kits, track adjusters, recoil springs, idlers, rollers, sprockets, gauges, switches, etc. Just give us a call 1-866-507-2787.
