Exhaust Center Section - Vehicles With Selective Catalyst Reduction System

WARNING: This page is about a different variant/trim than selected.

The exhaust center section comprises the Selective Catalyst Reduction (SCR) catalytic converter.

The inlet pipe of the SCR catalytic converter connects to the exhaust front section by a flange. The outlet pipe is connected by a clamp to the exhaust rear section inlet pipe.

A hanger bracket with a mounting rubber is connected to a common bracket which is bolted to the vehicle body to support the exhaust center section.

A mass damper, secured to a bracket on the rear of the SCR catalytic converter, is installed to the exhaust center section.

The exhaust center section with SCR contains 2 threaded holes for the:

Diesel Exhaust Fluid (DEF) injector
Post SCR NOx sensor.

For additional information, Refer to: SELECTIVE CATALYST REDUCTION

On LEV160 and EU6d emissions the exhaust center section with SCR contains 3 threaded holes for the:

DEF injector
Post SCR NOx sensor
Post SCR particulate matter sensor.

For additional information, Refer to: SELECTIVE CATALYST REDUCTION