Fitment - Compatible with 1997-2002 Ford Expedition Models Only, Compatible with 1998-2003 Ford F150 Models Only/ Fit 2004 F150 Heritage Models Only/ Fit 1997 F150 Truck (Built After 07/01/1996 Production Date), Compatible with 1998-1999 Ford F250 Light Duty Models Only/1997 F250 Light Duty (Built After 07/01/1996 Production Date). NOTE: When installing, please check that the bulb sockets are tightly connected to the rubber cap and rubber seal. OE Standard - Meets the Original Equipment (OE) standards. Interchange part number: FO2502182 ，FO2503182， FO2520170 ，FO2521170，3L3Z 13008 EA，3L3Z 13008 FA Durable Materials - Headlights are made of high-quality Polycarbonate material, which is resistant to impact, high temperature, corrosion, and deformation, wateroof. SAE/DOT Approval - This Headlight undergoes strict quality control. waterproof dust-proof anti-aging anti-yellowing. Not only durable but can withstand extreme weather conditions. Brighter and Safer - Clear lens and unique design make the lights have good transparency and light reflectivity, make lighting brighter and wider, improve driving safety for you and others. Compatible with 1997-2002 Ford Expedition Models Only Compatible with 1998-2003 Ford F150 Models Only Compatible with 2004 Ford F150 Heritage Models Only Compatible with 1997 Ford F150 Truck (Built After 07/01/1996 Production Date) Compatible with 1998-1999 Ford F250 Light Duty Models Only Compatible with 1997 Ford F250 Light Duty (Built After 07/01/1996 Production Date) NOTE: When installing, please check that the bulb sockets are tightly connected to the rubber cap and rubber seal.