Alternator — replaces OEM 3972731. New unit. Ships from stock.
Fits These Models
Cummins Engines
- C Series — 1986-1994
Lull
- 644-E40 — 1990-1994
OEM Cross-Reference Numbers
- 3972731
- 19020209
- 99786
- 99786GT
Please verify OEM number matches your unit before ordering.
