21771038

Description

Overview

21771038 is a Combustion Chamber used in the aftertreatment regeneration system. It is designed for VOLVO/MACK engines and supports controlled fuel combustion to generate heat for DPF regeneration in heavy duty service. Volvo supplies heavy duty diesel engines for class 8 highway tractors and vocational trucks. Mack produces heavy duty engines and trucks for construction, refuse, and highway applications in the class 8 segment.

What this part does

This combustion chamber is used to burn injected fuel and generate the heat required for active regeneration of the diesel particulate filter.

Where this part fits

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

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.
• Inspect fuel lines, igniters, and temperature sensors when servicing the combustion chamber and correct any root cause that led to improper regeneration.

Specifications

• Part type: Combustion Chamber
• OEM or application group: VOLVO/MACK

Related components

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