The Donaldson P181054 is a genuine Donaldson Radialseal™ primary air filter engineered for superior engine protection. This high-efficiency air filter features durable cellulose media, effectively capturing contaminants with 99.9% efficiency to ensure clean air intake. Its robust design provides reliable performance in demanding applications. Key technical specifications include an outer diameter of 254 mm, an inner diameter of 140 mm, and an overall length of 508 mm. This filter is a direct replacement for numerous OEM part numbers, contributing to optimal engine health and longevity.