Introducing the Dorman 904-412 Left Side Glow Plug Harness for the 6.4 Powerstroke 2008-2010. Optimizing your engine’s abilities has never been simpler thanks to this incredible product! It’s a direct fit replacement that adheres to strict quality standards, ensuring it runs smoothly and efficiently with no fuss involved in the installation process. You don’t even need any special tools - just fasten it into place and you’re good to go! Trust Dorman to take care of all your vehicle parts needs with this reliable, high-quality option that is sure to enhance your driving experience.