28233373 is a Genuine Delphi Inlet Metering Valve (IMV).

also known as a fuel pressure regulator or suction control valve (SCV).

Delphi 28233373 fits:

Nissan NP200 1.5dCi, Micra 1.5dCi

Renault Clio 1.5dCi, Kangoo 1.5dCi, Megane 1.5dCi, Scenic 1.5dCi

Peugeot various 2.0HDI models

SsangYong Rexton, Kyron, Actyon (pre-facelift)

Hyundai Terracan 2.9CRDI

JCB

Bobcat