The part number “9199-197” you’ve mentioned appears to be a reference to a common rail component. Common rail systems are commonly used in diesel engines to deliver fuel to the injectors with high precision. The specific part you’re referring to is likely associated with a particular manufacturer or supplier. To get more detailed information about this common rail component, its application, or compatibility, I would recommend contacting the manufacturer or an authorized parts distributor who can provide you with the specifics about the part and its use in various engine systems.