The Chelsea 4P147, also referenced as 4-P-147, is a Drive Shaft Spacer used in the Chelsea 278 Series power takeoff. This spacer is listed as item 39 in the 278 Series illustrated parts manual, with a standard quantity of one per assembly. It is a direct-fit component for the 278 Series PTO drive shaft position. When you need to pin down the correct spacer for a 278 Series unit, this is the part that belongs there. Call us to confirm proper fit for your application.FeaturesChelsea part number 4P147, also listed as 4-P-147Drive Shaft Spacer per the Chelsea 278 Series illustrated parts manualItem position 39 in the 278 Series PTO parts listStandard quantity: 1 per assemblyDirect application to the Chelsea 278 Series PTO drive shaftUsed in these Chelsea PTO models276 Series277 Series278 Series