Cummins

The Cummins 3004749 is a genuine OEM V-belt specifically engineered for demanding auxiliary and accessory drive systems on Cummins industrial, automotive, and marine engines. This heavy-duty belt is critical for transferring rotational power from the crankshaft to vital engine systems such as fresh water pumps, alternators, and cooling fans. Fabricated from premium oil- and heat-resistant rubber compounds, the 3004749 is designed to survive high ambient under-hood temperatures exceeding 180&deg;F (82.2&deg;C). It features a advanced deep-notch pattern that allows for exceptional flexibility over small-diameter pulleys while significantly lowering operating temperatures to prevent cracking. Built with specialized high-strength tensile cords, it boasts excellent stretch resistance and easily absorbs sudden shock loads without slipping or degrading. Utilizing an authentic Cummins belt ensures full compliance with rigid factory tolerances and SAE J636b/SAE J637 requirements, preventing unexpected downtime and protecting expensive engine accessories from failure.

Specifications: 
&ndash; Part Number: 3004749 
&ndash; Brand: Cummins (Original) 
&ndash; Component Type: Engine V-Belt / Drive Belt 
&ndash; Cross References: 15A1005, 213387, 3040349 
&ndash; Length: 16.5 in 
&ndash; Width: 12.5 in 
&ndash; Height: 0.37 in 
&ndash; Weight: 0.375 lb 
&ndash; Condition: New Genuine 
&ndash; Shipment: Non-Hazardous (Standard Parcel)

Product Details: 
&ndash; Deep Notch Pattern: Maximizes flexibility around tight pulley profiles and assists in heat dissipation. 
&ndash; High Stretch Resistance: Specialized inner cords maintain proper tension longer, minimizing the need for manual adjustment. 
&ndash; Oil &amp; Heat-Resistant Elastomers: Formulated to combat premature wear caused by contact with engine lubricants, coolants, and dirt. 
&ndash; High Shock Absorption: Formulated to handle heavy industrial load variations without structural damage.

Applications: 
&ndash; Water Pump Drive: The primary belt layout configuration for fresh water pump operation on select heavy platforms. 
&ndash; Engine Tune-Ups: A fundamental wear item to replace during scheduled top-end overhauls or preventive maintenance. 
&ndash; Compatible Platforms: Extensively utilized across heavy-duty legacy and modern platforms including Cummins V378, V504, V555, and V903 engines.

Key Features: 
&ndash; Genuine Cummins Quality: Eliminates the sizing variances and compound failures common with universal aftermarket belts. 
&ndash; Factory-Grade Timing &amp; Tension: Engineered to sit perfectly within the matching pulley grooves for non-slip performance. 
&ndash; Certified Reliability: Manufactured to strict industrial quality control standards for absolute predictability in the field. 
&ndash; Long Service Life: Built to handle dusty, high-vibration off-road and construction environments.

Order the genuine Cummins 3004749 V-Belt. Heavy-duty 0.375 lb accessory drive belt engineered for Cummins V555, V903, and industrial engines. Original OEM quality.

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Cummins 3004749 Engine V-Belt

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