New old stock part. Listing is for a single part. If more than one is pictured it is just to show difference in packaging or condition. See photos for detail and condition. Description: Drive Assembly Brand: Zen OEM(s): Bosch, Porsche, Volkswagen Condition: New Rotation: CCW ID: 0.433in / 11mm Number of Teeth: 9 Gear OD: 1in / 25.4mm Length: 2.441in / 62mm Number of Splines: 10 Splines Type: Spiral Drive Type: Roller Wet Clutch Seal: No Application: Bosch 211 Series Starters on VW & Porsche Applications Weight: 0.62 lbs / 0.28 kg References: Arrowhead SBO5004 Bosch 1006209162, 1006209431, 9001082362 Facet Drives 10034 Lucas TMB482 Volkswagen 3059113353, 311911335A Wilson 61-15-6422