21212522

Description

Overview

21212522 is a Gasket used in the exhaust and aftertreatment sealing system. It is designed for VOLVO engines and supports sealing joints between exhaust and aftertreatment components in heavy duty service. Volvo supplies heavy duty diesel engines for class 8 highway tractors and vocational trucks.

What this part does

This gasket provides a gas tight seal between exhaust and aftertreatment components. Good sealing helps maintain exhaust flow, protect sensors, and avoid soot streaking at joints.

Where this part fits

This part is generally used on VOLVO 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:

• 2013

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.
• Gaskets should usually be replaced any time a joint is opened. Clean the sealing surfaces and align the gasket carefully before final tightening.

Specifications

• Part type: Gasket
• OEM or application group: VOLVO
• 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.