mercedes OM617 valve stem seal protector sleeves

[qualified-merc]

OK, purchased what I thought would be a complete valve stem seal kit. When the kit arrived it did not include the plastic valve stem seal protection sleeves. The parts seller indicates they will not send me the sleeves and are asking for me to return the entire shipment. For me this is too much trouble so I am now on the hunt for an alternative.


Could I use plastic straws cut to size as valve stem seal protector sleeves during the install?