The 19590 is a 12v permanent-magnet direct-drive starter, a new aftermarket direct replacement engineered to match the fit, form, and function of the original starter. Specifications: - Series: PMDD - Voltage: 12V - Rotation: Counterclockwise (CCW) Vehicle Compatibility: - Makes: Aprilia (2006) - Models include: Aprilia SR 50 R Factory - Confirm exact fitment with your year, make, and model before ordering. Cross-Reference / Interchange Numbers: - Replaces / compatible with: 19590, 71-38-19590, RS41104. Why ePartsGlobal: specialist in heavy-duty starters, alternators, and charging-system electrical parts. Backed by a 1-year warranty, free shipping on orders over $19.95, and fast fulfillment. Ships from USA.