Dorman''s Suspension Solenoid is conveniently designed as a direct replacement and in some cases an improved design for increased longevity. A proper fit is ensured, every time. FITMENT CHART 2004-2006 Ford Expedition Please wait... 2005-2006 Lincoln Navigator Please wait... INTERCHANGE Ford : 4L1Z5311AA Arnott Industries : K-2230 Standard Motor Products : G35003 Westar : SO-7590 Dorman is well-known as a leader in providing quality auto parts to the aftermarket. They have earned their reputation for excellence from over three decades of experience in providing automotive replacement parts and service line products primarily for the automotive aftermarket. Their prestigious position stems from a unique combination of application expertise, innovative product design, and a wide range of product offerings.