I may be wrong but I would suggest that plug has more than one application, if fitted to a steel sump it would use the copper washer and if an alloy sump the alloy washer.
I may be wrong but I would suggest that plug has more than one application, if fitted to a steel sump it would use the copper washer and if an alloy sump the alloy washer.
I may be wrong but I would suggest that plug has more than one application, if fitted to a steel sump it would use the copper washer and if an alloy sump the alloy washer.