Aftertreatment component cartridge for an aftertreatment system

An aftertreatment system comprising:

• an inlet body comprising an inlet body wall and an inlet engagement member, the inlet engagement member comprising:
• an inlet engagement member wall extending outward from the inlet body wall, the inlet engagement member wall comprising:
• an inlet engagement member wall first portion extending outward from the inlet body wall at a first non-zero angle with respect to an extending direction of the inlet body wall;
• an inlet engagement member wall second portion extending outward and in a downstream direction from the inlet engagement member wall first portion at a second non-zero angle with respect to the inlet engagement member wall first portion, and
• an inlet engagement member wall third portion extending outward from the inlet engagement member wall second portion at a third non-zero angle with respect to the inlet engagement member wall second portion, wherein the inlet engagement member wall third portion is perpendicular to the inlet engagement member wall second portion, and
• an inlet coupling flange extending in a downstream direction from the inlet engagement member wall third portion;
• a cartridge, part of which is positioned downstream of the inlet body, the cartridge comprising:
• a cartridge wall, and
• an adaptor that extends outward from the cartridge wall;
• and
• an outlet body, part of which is positioned downstream of the cartridge, the outlet body comprising an outlet body wall and an outlet engagement member, the outlet engagement member comprising:
• an outlet engagement member wall extending outward from the outlet body wall, and
• an outlet coupling flange extending in an upstream direction from the outlet engagement member wall and towards the adaptor such that the adaptor is disposed between the inlet coupling flange and the outlet coupling flange.