Oil Pump For Cummins ISC / ISL Engine | 3991123

This oil pump is a direct-fit replacement for Cummins ISC and ISL engines, matching OEM part number 3991123. Engineered for optimal oil circulation and stable pressure, it protects critical engine parts during operation. Built to last with OEM precision, this pump ensures smooth installation, long service life, and peak engine reliability across applications. Application: Aftermarket Cummins ISC/ISL Cross Reference Numbers: 3950005 4983588 Key Features: OEM replacement for Cummins 3991123 Fits ISC and ISL engine platforms Delivers consistent oil pressure Durable and precision-machined components Easy installation with OEM-matched specs Compatibility: Cummins ISC Engines Cummins ISL Engines OEM Replacement Part #: 3991123 SKU: FDP-3991123 Category: Oil Pump Tags: 3991123, Cummins, ISC, ISL Engine, Oil Pump Brand: AKMI