JAGUAR PART NUMBER: NCA7739AEThis is the tensioner for the main engine drive belt - i.e the belt that runs around the Alternator, Power Steering Pump, AC Pump, Water Pump and Crank Shaft pulley.The pulley is the later metal type with improved bearing - much more reliable that the older plastic type.Suitable for:XJ8 / XJR all 3.2/4.0 V8 engines 1997-2002XK8 / XKR all 4.0 V8 engines 1996-2002PLEASE NOTE - This is a library picture of an identical exampleCompatible part numbers - you may find any of these numbers on your old unit:NCA7739ADNCA7739AC
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