International Navistar DOC : OEM 5011047R91

OEM DOC Solution for International/Navistar Diesel Platforms

What Is It?

The Diesel Oxidation Catalyst (DOC) OEM 5011047R91 is a direct-fit emissions system component designed for International/Navistar diesel engines. It plays a critical role in reducing exhaust pollutants by oxidizing hydrocarbons (HC) and carbon monoxide (CO) before they reach the downstream diesel particulate filter (DPF).

Why Choose OEM 5011047R91?

Built to exact OEM specifications, the 5011047R91 ensures compatibility with factory hardware and electronics. It promotes efficient emissions processing, supports the thermal conditions required for proper DPF regeneration, and reduces the likelihood of fault codes or system downtime.

Key Benefits

✅ OEM-Grade Fitment: Engineered specifically for International/Navistar diesel systems
✅ Reduces HC and CO Emissions: Converts harmful gases into less hazardous compounds
✅ Enhances Aftertreatment Functionality: Maintains exhaust temps critical for DPF operation
✅ Rugged Construction: Withstands high-temperature cycles and extended use
✅ Sensor Port Integration: Fully compatible with factory-installed emissions sensors

Applications

Ideal for medium- and heavy-duty trucks and vocational vehicles powered by International/Navistar diesel engines. This DOC supports vehicle emissions compliance in a range of commercial and municipal service environments.

Installation Notes

A certified technician should inspect the full aftertreatment system before installation. Check clamps, gaskets, and sensors for wear. Once installed, reset emissions-related parameters via diagnostic software and verify system readiness. A manual regen may be required.

Final Thoughts

The OEM 5011047R91 DOC is a dependable emissions system component that ensures your International/Navistar diesel vehicle remains compliant and operational. With its OEM precision and rugged working condiitons, it’s a smart choice for fleets focused on emissions integrity and uptime.