Enhance engine performance with the 4089644 Piston Ring Set, designed for Cummins QSL8.9 engines. Compatible with OEM numbers 4089643 and 4376319, this aftermarket kit ensures reliable sealing and durability for optimal engine operation.
| PN | NAME | QTY |
|---|---|---|
| 3921919 | OIL PISTON RING | 1 |
| 5367340(Supersessions:3948412) | COMPRESSION PISTON RING | 1 |
| 5267662(Supersessions:3964073) | COMPRESSION PISTON RING | 1 |