PAI 505139HP CUMMINS 4089644 PISTON RING SET (8.3L ISC / ISL) (4089643) (HIGH PERFORMANCE) 2.30.1. Two Valve Head 745-108843

745-108843

Includes AHS-9907-002 (7843-3303118 Gasket)

Thermostat (180 Degree) (Non-Vented) (Item 5 in Drawing)

Mack 38QC4122M

OEM Reference : Cummins 3900396

PAI 505139HP CUMMINS 4089644 PISTON RING SET (8.3L ISC / ISL) (4089643) (HIGH PERFORMANCE) 2.30.1. Two Valve Head 745-108843Product Details : Select Cummins Applications : 8. 3L ISC ISL EPA02 Series Engines. Piston Ring Set (Item 8 in Drawings). OEM Reference : Cummins 4089643, 4089644. A component of 111518HP (4955190), 111706HP High Performance Piston Kits. Also offered as 505139E with a 1 Year Warranty and in High Performance as 505139HP with a 3 Year Warranty. *** Note : When available, Kit Assembly components may be allocated or restricted to Kit assembly or otherwise