Dorman Vacuum Pump Pulley 300-055 OE Solutions; OE Replacement; Vehicle Fitment 2003-2018 Isuzu NPR/2003-2019 Isuzu NPR-HD/2015-2019 Isuzu NPR-XD; V-Belt; 5-1/2 Inch Outside Diameter x 1-1/2 Inch Inside Diameter; Black; Steel Dorman $129.02 Add to Cart