Get the stock replacement or upgraded Manual Transmission Hydraulics you need for your 2004.5-2005 Chevy/GMC 6.6L LLY Duramax. Keep your manual trans properly operating with products from industry leading brands like Valair, Dorman, South Bend Clutch, and more! For most applications, the slave and clutch master cylinder are sold as a pre-bled and pre-filled assembly that are ready for install. Shop now at XDP and ensure that your clutch operates properly.