Part Type: Accessory Drive Belt Tensioner Assembly. DriveAlign Automatic Belt Drive Tensioner. Belt Tensioner. Contents: Tensioner Assy. 2002 Ford E-350 Club Wagon Engine: 5.4L V8 GAS; W/O A.C.;. 2003 Ford E-350 Club Wagon Engine: 5.4L V8 CNG; W/O A.C.;.