Steel Flange Bolt OE 4891179F for Cummins Engine | Genuine Truck Part

This steel flange bolt OE 4891179F is manufactured in full compliance with Cummins original engineering standards, using high-strength alloy steel through precision forging, heat treatment and precision threading, delivering ultra-high tensile strength, shear resistance and fatigue resistance. The surface adopts black phosphating anti-rust treatment, which effectively resists oxidation, corrosion and oil corrosion in the engine compartment environment. It adopts an integrated flange head design, which increases the stress area, improves the fastening stability, and eliminates the need for additional gaskets, achieving better anti-loosening and anti-seepage effects. The precise thread processing ensures smooth assembly, uniform stress and no slipping or jamming during installation. As a core engine fastener, it provides stable and reliable fixed connection for Cummins engine housing, gearbox and key components, adapting to long-term high-load and high-vibration operation.

Fully compatible with all applicable Cummins diesel engine models, this steel bolt can be accurately cross-checked via OE 4891179F to ensure perfect thread and size matching. It solves a series of serious engine failures caused by inferior ordinary bolts, including low material strength leading to fracture, poor heat treatment resulting in fatigue failure, rough thread causing loose fastening, and insufficient anti-corrosion performance leading to rust and seizure. Loose or broken engine bolts will cause housing displacement, oil leakage, gas leakage and even component damage, resulting in sudden engine shutdown, major maintenance and high safety risks. By using this genuine Cummins steel bolt, users can completely eliminate fastener loosening, fracture, rust and seizure failures, ensure stable and firm engine assembly, avoid sudden equipment failures and reduce safety and economic losses.

As a key safety fastener for Cummins engines, this steel bolt meets strict OEM manufacturing standards and passes authoritative third-party tests for tensile strength, fatigue life, corrosion resistance and temperature resistance. Test data shows that the bolt maintains stable mechanical properties under long-term high-temperature and high-vibration working conditions, with no fatigue fracture, thread damage or loosening after 10,000 hours of bench testing. Each bolt undergoes 100% full inspection of dimensional accuracy, thread fit, hardness and surface treatment before leaving the factory, fully consistent with Cummins original parts in material, strength and assembly performance. It has excellent anti-rust, anti-loosening and anti-fatigue performance, adapting to various harsh operating environments such as engineering, transportation and special fleets, with reliable quality and long service life.

We are a professional supplier of genuine Cummins engine parts, providing original factory quality fasteners, bolts and engine assembly parts for global repair shops, fleet operators and parts distributors. This steel bolt OE 4891179F is supplied with complete Cummins original identification and traceability codes, ensuring 100% genuine and authentic. We provide a 12-month quality warranty against material defects, fracture and loosening under normal use. Our professional technical team provides 24/7 model matching, installation torque guidance and after-sales consultation. We support bulk wholesale with competitive prices and stable long-term supply for large fleet customers. Choosing this genuine bolt improves engine assembly safety, reduces fastener failure and maintenance downtime, and provides a safe, reliable and cost-effective fastening solution for your Cummins engine equipment.