Ventilated fixed points to provide cooler operation
99% pure tungsten contacts to deliver excellent conductivity
Minimum pitting and wear
OEM / Interchange Numbers: D4ZZ12171B
Closeout Inventory Warranty Information:Wholesaler Closeout items have a 30 day warranty (but still are covered by our Return Policy).Regular Inventory Warranty Information:24 months/unlimited miles; Motorcraft warranties are valid to U.S. customers onlyWarranty Details