Cummins Service Products Catalog – Tool ST 760Piston Ring Expander

SMALL | MEDIUM | LARGE

Engine Family: All Except B and C Series

These piston ring expanders are designed to install piston rings on the piston without damage to the piston or the piston rings. Use of these expanders are required to avoid distortion and/or over-expansion of the piston rings.

Part No. Description
ST 760 Piston Ring Expander (J 4 1/8 bore)
ST 761  Piston Ring Expander (C 4 7/16 bore)
ST 762  Piston Ring Expander (NH, V12 5 1/8 bore)
3823871  Piston Ring Expander (NT, V28, V903 5 ½ bore)
ST 820  Piston Ring Expander (V378, V504, V555 4 5/8 bore)
ST 821  Piston Ring Expander (H, L10 4 7/8 bore)
ST 1269  Piston Ring Expander (K19, K38, K50 6 ¼ bore)
3164401  Piston Ring Expander (QSV-D)
3164402  Piston Ring Expander (QSV-G)
3165069  Piston Ring Expander (Signature/ISX, ISX w/CM870, and QSX)
Last Modified:  29-Mar-2004