A045D101

Description

Overview

A045D101 is a SCR used in the selective catalytic reduction section of the exhaust aftertreatment system. It is designed for engines and supports reduction of nitrogen oxides using diesel exhaust fluid in heavy duty service. This part number is marked as discontinued. The information on this page is provided for service history and cross reference purposes.

What this part does

This SCR catalyst uses diesel exhaust fluid injection upstream to convert nitrogen oxides into nitrogen and water. It is a key component for meeting modern NOx emission standards on class 8 trucks and heavy equipment.

Where this part fits

This part is generally used on engine platforms installed in class 8 trucks and heavy equipment. Exact fitment depends on the specific engine family, emission level, and chassis configuration.

OEM and cross references

This part may replace or cross reference the following numbers:

• SCR

Installation and replacement notes

• Confirm compatibility with the engine family and emission certification level before ordering.
• Inspect related components for damage or contamination that may have contributed to the original failure.
• Follow OEM torque specifications and service procedures during installation.
• For SCR service always verify diesel exhaust fluid quality, inspect the DEF injector, and confirm that dosing and mixer hardware are in good condition.

Specifications

• Part type: SCR
• Additional cross references are listed in the section above.

Related components

During service you may also need clamps, gaskets, sensors, mounting hardware, or additional aftertreatment components depending on the specific installation.