Sierra International MP41400 Complete Audible Warning Kit for Alerting of High Engine Temperature or Low Engine Oil Pressure with Instructions Included Sierra MP41400 complete audible warning kit for alerting of high engine TEMP or low engine oil pres, instructions included Before ordering, please verify this is the correct part for your application. For assistance, please call sierra's Tech support at 1-877-663-8396 All sierra Parts qualify for and are covered under sierra's industry leading customer satisfaction warranty