WESPC Filter S551 4 Air Element For 1103 4000 4008 Diesel Engine Series

WESPC Filter S551 4 Air Element For 1103 4000 4008 Diesel Engine Series

Application Filter S551/4 is purpose-engineered for diesel engines including the 1103, 4000, and 4008 series. These engines are widely used in generator sets and industrial machinery where clean intake air is essential for combustion efficiency and engine durability. The filter ensures optimal airflow while capturing airborne contaminants that could damage internal components and reduce engine performance.

Technical specifications Overall height 400 mm, outer diameter 345 mm. The unit supports radial sealing and is compatible with standard air filter housings used in heavy-duty diesel platforms. It maintains consistent filtration performance under variable operating conditions and is suitable for vertical or horizontal mounting.

Material & performance features Constructed with high-efficiency cellulose media, the element offers a filtration efficiency of 99.9%. The media is reinforced to resist collapse and maintain structural integrity in high-vibration environments. The end caps are bonded with fuel-resistant adhesive and designed to prevent leakage. The unit is tested for dust-holding capacity and thermal stability, ensuring reliable filtration in demanding operating conditions.

Interchange part numbers S551/4, P182036, AF361, AF361M, LL1649, WGA108E

WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong.

The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and a solid reputation, WESPC provides customers with diverse, one-stop solutions tailored to their needs.

Leveraging the global vision of its Hong Kong headquarters and the strategic location advantages of Dongguan, WESPC Dongguan is committed to building a highly efficient and reliable supply chain system, supported by professional technical expertise and comprehensive after-sales services, to continuously create greater value for its customers.

Looking ahead, the company will continue to expand its business landscape, keep pace with industry trends, and consistently enhance product and service quality—working hand in hand with global partners to achieve mutual growth and success.