BMW Deflection Pulley INA 11287509508

The BMW Deflection Pulley by INA (manufacturer part number 5320344100) is an OE supplier component designed for optimal performance with select BMW models. Specifically engineered for the BMW Z4 (2003–2005, submodels 2.5i and 3.0i, E85 chassis, convertible body, engines 2.5L L6 and 3.0L L6), this grooved deflection pulley is used in the water pump and alternator belt system. It matches OE part number 11 28 7 509 508 / 11287509508 and meets strict OEM standards for precise fit and reliable operation. Choose this INA OE supplier part for trusted BMW maintenance and belt system performance.