You'll find they are primarily sold about anywhere you look. When my oem went out these popped up the most while searching.. and just ran across this advertisement..

Stabilus lift supports by Sachs are the #1 units used by original equipment car and truck manufacturers
Built for extended service life in a wide variety of weather conditions
You can replace your old gas lift support with a unit equal in quality to the premium unit that came on your car or truck. Available to you at a value price.