Knock Sensor 993

Vital to your engines reliability, the knock sensor adjusts timing or boost pressure to improve performance and reduce engine damage. Be sure yours are in excellent operating order. Sold Individually. 2 Necessary Per Car._x000B__x000B_This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.