Zf M/T 3RD & 4TH Hub & Slider 6SPD . 3rd & 4th Hub & Slider 6-Speed ZF Manual Transmission Features and Benefits: 3rd & 4th Hub & Slider 6-Speed ZF Manual Transmission Details: AAP UDA 4: 50 Grade Type: Regular Application Summary: 2003-2006 Chevrolet Silverado 2500 Hd (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 2004-2006 Chevrolet Silverado 3500 (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 2004-2006 Chevrolet C4500 Kodiak (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 2004-2006 Chevrolet C5500 Kodiak (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 2004-2006 GMC Sierra 2500 Hd (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 2004-2006 GMC Sierra 3500 (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 2004-2006 GMC C4500 Topkick (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 2004-2006 GMC C5500 Topkick (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 1999-2010 Ford F-250 Super Duty (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 1999-2010 Ford F-350 Super Duty (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 1999-2010 Ford F-450 Super Duty (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual) 1999-2010 Ford F-550 Super Duty (Transmission Code: S6-650 & Transmission Base Gear: 6 & Transmission Control Type: Manual)