AF25957 FLEETGUARD Precision Filtration for Advanced Engine Systems
AF25957 FLEETGUARD Modern engines with high‑pressure fuel systems and turbochargers need extremely clean air. The AF25957 provides precision filtration to protect these sensitive parts.
AF25957 FLEETGUARD Made for High‑Tech Heavy‑Duty Engines
It matches Cummins ISX12/QSX15, Caterpillar C7.1/C9.3, Komatsu 6D125E/6D140E, and Volvo D8/D11 engines used in newer trucks and construction machinery.
Nano‑Based Media for Ultra‑Fine Particles
The specialized media captures tiny particles that ordinary filters miss. It also repels moisture to maintain performance in humid environments.
For High‑Performance Machinery
This filter is ideal for advanced construction equipment, highway trucks, and precision industrial generators.
Advanced Sealing and Moisture Resistance
The seal system prevents air leakage and moisture intrusion. Every unit is tested to meet strict precision standards.
Custom High‑Precision Solutions
We offer custom media and sizing for specialized engines. Small batches are supported with strict quality control.






