(Fitment) -- PHILTOP Belt Tensioner with Pulley Replacement For Grand Marquis 2000-2011, Marauder 2003-2004, Town Car 2000-2011, Mus-tang 2000-2004, Crown Victoria 2000-2011 (OE Reference Number) -- 38189, 49293, 89291, 999052, Manufactured using the same or improved technology and quality materials as the original equipment manufacturer (OEM) components to ensure a factory match (Labyrinth Seal Protection) -- PHILTOP automatic drive belt tensioner assembly with pulley adopts labyrinth seal to protect internal components, meeting or exceeding the service life requirements of the original manufacturer (Long service life) -- The damping system tested hundreds of times absorbs extreme vibration to improve the life of the tensioner as well as belts and accessories (Strong stability) -- Torsion round spring design used in PHILTOP tensioner provides reliable and stable tension PHILTOP Automatic Drive Belt Tensioner with Pulley Assembly Product Information Reference : OE: 38189 49293 89291 999052 TIPS: Use the "Amazonconfirmedfit" in the upper left corner of the link to confirm the year/make/model of the vehicle you are purchasing before making your purchase. Fitment: Mustang 2000-2004 Town Car 2000-2011 Marauder 2003-2004 Grand Marquis 2000-2011 Crown Victoria 2000-2011 Why choose PHILTOP Belt Tensioner with Pulley?