Cummins Service Products Catalog – Tool ST 379Injector Seat Cutter

SMALL | MEDIUM | LARGE

Engine Family: C & J, N14, NH, NT, V28, V378, V555, V903, V504, L10

These special ground cutters are required to cut the injector sleeve seat area after sleeves have been rolled into the cylinder head. The injector seats must be machined to the proper depth to allow specified injector tip protrusion through the cylinder head.

Ref. No. Part No. Description
  ST 379  Injector Seat Cutter (C & J) 
1 ST 379-1  Holder 
2 ST 379-2  Pilot (Also L10)
3 ST 379-3  Cutter 
  ST 389  Injector Seat Cutter (L Series Engines) 
  ST 884  Injector Seat Cutter (N14, NH, NT, V903, V28) 
1 ST 884-1  Holder (Also L10)
2 ST 884-5  Pilot (NH 5 1/8)
2 ST 884-6  Pilot (NT, V903, V28)
3 ST 884-3  Cutter (Also L10)
  ST 920  Injector Seat Cutter (V378, V504, V555) 
1 ST 920-1  Holder 
2 ST 920-2  Pilot 
3 ST 920-3  Cutter 
Last Modified:  08-Mar-2004