171980

Main Bearing Kit (STD) Cummins ISX Application Part number: 171980 OE MFG: CUMMINS OEM Reference: 3800298 Cross Reference: CUMMINS : 3800298, 5406110; OTHER : MS2297P, TMBT1755K7-STD | INTERSTATE-MCBEE : M-3800298, M-5406110; PAI : 171980E, 171980HP, 171980OEM Product Class: Engine Bearings (All)

Main Bearing Kit | Cummins ISX Engine Application Part number: 171980E OE MFG: CUMMINS OEM Reference: 3800298 Cross Reference: CUMMINS : 3800298, 5406110; OTHER : MS2297P, TMBT1755K7-STD | INTERSTATE-MCBEE : M-3800298, M-5406110; PAI : 171980, 171980HP, 171980OEM Product Class: Engine Bearings (All)

High Performance Main Bearing Kit Part number: 171980HP OE MFG: CUMMINS OEM Reference: 3800298 Cross Reference: CUMMINS : 3800298, 5406110 | INTERSTATE-MCBEE : M-3800298, M-5406110; PAI : 171980, 171980E, 171980OEM Product Class: Engine Bearings (All)

Are you noticing metal shavings in your oil? Or loss of oil pressure? If so, your Cummins ISX Dual Cam, X15 may have worn down or damaged engine bearings. As your Cummins ISX Dual Cam, X15’s engine bearings wear, they can cause all sorts of engine issues and damage if not replaced. Fortunately for you, HHP has you covered! Replace your worn or damaged engine bearings with a New Main Engine Bearing Kit from Highway and Heavy Parts. Don’t risk the health of your Cummins ISX Dual Cam, X15; buy high-quality aftermarket Main Engine Bearing Kit from America’s trusted diesel engine parts supplier. At Highway and Heavy Parts, you’ll get a Main Engine Bearing Kit manufactured in an ISO 9001:2015 certified facility, ensuring quality and consistency for your Cummins ISX Dual Cam, X15. Each part is crafted with hard-wearing strength and durability to ensure your Main Engine Bearing Kit can withstand the rigors of the road. Guaranteed for fit and function, HHP parts have the right combination of quality and price with total support from our on-staff ASE-certified technicians. With specialized knowledge, quality products, fast shipping, and unbeatable customer service, HHP has you covered. Order your New Main Engine Bearing Kit today! From diagnosis through delivery, we’re Highway & Heavy Parts! Contents: Cummins ISX Dual Cam, X15 Main Engine Bearing Kit – (5406110) Frequently Asked Questions What are the warning signs that my Cummins ISX or X15 main bearings need replacement? Recognizing the symptoms of failing main engine bearings in your Cummins ISX Dual Cam or X15 engine is absolutely critical for preventing catastrophic engine failure that can result in complete engine destruction and costs tens of thousands of dollars to repair. Main bearings support the crankshaft and absorb enormous forces generated by combustion, making them essential for engine survival. Metal shavings in your oil represent one of the most alarming indicators of bearing failure and should never be ignored. These metallic particles appear during oil changes or when checking the dipstick, often having a glittery, silvery appearance that indicates bearing material is breaking down and contaminating the lubrication system. The presence of metal shavings means bearing surfaces are wearing through their protective overlay and exposing base metals, a condition that accelerates exponentially and can lead to complete bearing failure within hours or days of detection. Loss of oil pressure is another critical symptom that demands immediate attention, as main bearings require consistent oil pressure to maintain the hydrodynamic oil film that prevents metal-to-metal contact between the crankshaft journals and bearing surfaces. Oil pressure loss may manifest as illuminated warning lights on the dashboard, fluctuating pressure gauge readings, or actual low pressure readings on diagnostic equipment. This condition occurs when bearing clearances increase beyond specification as wear progresses, allowing oil to escape from bearing surfaces rather than maintaining proper film thickness. Abnormal engine noise represents another telltale sign, particularly a deep knocking or rumbling sound from low in the engine that increases in frequency with RPM. This knocking, often described as a heavy thud or bang, indicates excessive clearance between crankshaft journals and bearings, allowing the crankshaft to physically impact bearing surfaces rather than riding on an oil film. The sound typically becomes more pronounced under load and may temporarily quiet when engine speed changes. Engine vibration that wasn’t previously present can indicate uneven bearing wear causing crankshaft imbalance or misalignment. You might feel unusual vibration through the steering wheel, cab floor, or throughout the entire vehicle during operation. Low oil level or excessive oil consumption despite no visible external leaks can occur when bearing clearances increase and allow oil to be thrown excessively through

Part number: M-5406110 OE MFG: Cummins OEM Reference: 5406110 Cross Reference: CUMMINS : 3800298, 5406110 | INTERSTATE-MCBEE : M-3800298; PAI : 171980, 171980E, 171980HP, 171980OEM

Main Bearing Kit (STD) Cummins ISX Application Part number: 171980OEM OE MFG: CUMMINS OEM Reference: 5406110 Cross Reference: CUMMINS : 3800298, 5406110; OTHER : MS2297P, TMBT1755K7-STD | INTERSTATE-MCBEE : M-3800298, M-5406110; PAI : 171980, 171980E, 171980HP Product Class: Engine Bearings (All)