Purolator L29169 Purolator Premium Engine Protection Oil Filter Purolator delivers the premium protection your vehicle demands to keep it running smoothly. Purolator’s multi-fiber media traps road grit, soot, other debris that can harm your engine. Made for routine driving conditions, Purolator’s rugged construction provides proven filtration performance and protects engines against damaging dirt and debris for up to 5,000 miles (or as specified by your vehicles owner’s manual)..