There are two occasions when the replacement of this part is required: When rebuilding and engine, renewal should be part and parcel of the rebuild. Secondly if you are in doubt about the reliability of this vital component. Failure to replace this part could be a very expensive mistake! This is the indicator for the health of your engine. For other engine rebuild items, gaskets, seals etc, try browsing the online catalogue for your model?
Note: this part is superseded by 35500MJ4014.
