Description

Protect your Cummins ISX15 engine with this OEM Cummins lubricating oil pump , engineered for durability and performance in extreme-duty conditions. This oil pump ensures reliable and continuous oil flow to all critical engine components, helping to reduce friction, wear, and operating temperatures. Compatible with ISX15 engines , this pump replaces OEM part numbers 5599284, 4026691, 5679854, 5532492, and 368752 , offering peace of mind and superior compatibility across a range of Cummins-powered trucks and equipment. Ideal for fleet maintenance, engine rebuilds, or preventive replacements, this is the exact OEM pump Cummins uses in their factory-built engines — ensuring you get the same quality, reliability, and performance. 🔧 Key Features: Application: Cummins ISX15 Engines OEM Part Numbers Replaced: 5599284 4026691 5679854 5532492 368752 Function: Supplies pressurized oil to the engine’s lubrication system Type: Genuine OEM Cummins part Durability: Precision-machined gears and corrosion-resistant housing for long life Installation: Direct fit—no modifications required ⚙️ Compatible Engines & Applications: Cummins ISX15 (EPA 2010 and newer models) Commonly found in: Freightliner Cascadia Kenworth T680, T880 Peterbilt 579, 389 International ProStar Other on-highway Class 8 trucks and heavy-duty vocational applications ❓ Frequently Asked Questions (FAQs): Q1: Is this a genuine Cummins OEM oil pump? A: Yes, this is an original OEM Cummins oil pump—not aftermarket or remanufactured. Q2: Which engines does this pump fit? A: It fits Cummins ISX15 engines , including many EPA 2010+ and newer on-highway applications. Q3: What does the oil pump do? A: It pressurizes and circulates engine oil throughout the lubrication system to protect bearings, pistons, the camshaft, and the turbocharger. Q4: When should I replace the oil pump? A: Replace during an inframe or overhaul, or if symptoms like low oil pressure, oil warning lights, or increased engine noise are present. Q5: Are gaskets or seals included? A: Typically, this pump does not include gaskets or seals —those should be purchased separately as part of the installation kit.