This filter is prominently used across Weichai industrial, agricultural, and construction platforms, most notably: 1.
Engines: Weichai WP4 series (e.g., WP4.1NQ190E50) and various non-road Stage III / Stage IV emissions-compliant industrial diesel engines. 2.
Machinery Brands: Frequently found on heavy machinery that utilizes Weichai power plants, including: ① XCMG (Loaders and Excavators) ② LiuGong (Wheel loaders and construction equipment) ③Diesel generator sets, industrial mud pumps, and agricultural machinery.








