5 Warning Signs Your Diesel Engine Air Filter Needs Replacement

Learn the key warning signs of a clogged diesel engine air filter and how timely replacement helps protect generators, construction machinery, and heavy equipment.

Learn the key warning signs of a clogged diesel engine air filter and how timely replacement helps protect generators, construction machinery, and heavy equipment.

High performance replacement for Caterpillar 8N-5504 air filter. Designed as a primary outer filter for diesel engines, providing reliable filtration, stable airflow and long service life in harsh working environments.

High quality replacement for Caterpillar 6I-2501 air filter, designed for diesel engines and heavy-duty equipment. Compatible with Donaldson P532501, Baldwin RS3504, Fleetguard AF25125M and WIX 46479. Stable performance, high dust holding capacity and long service life.

Replacement Caterpillar 142-1340 / 142-1403 primary air filter designed for CAT 345C, 345D, 349D and 349D2 excavators with C13 engines. High efficiency filtration for construction and mining equipment.

Replacement Caterpillar 479-8989 / 479-8991 honeycomb air filter designed for CAT 320, 323, 320GX and GC excavators.
Built with high-efficiency filter media and reinforced honeycomb structure, it provides reliable protection for diesel engines operating in dusty construction and mining environments.

Complete filter sets for Cummins KTA19 diesel generators streamline maintenance, improve filtration consistency, and reduce downtime in continuous power applications.

High-flow air filters are essential for continuous power generation in industrial diesel and gas generator applications,helping diesel and gas generators maintain stable airflow, reduce restriction, and protect engines under long-duty operation.

Learn how to select and replace air filters for CAT 3500 series diesel and gas gensets to protect engines, reduce downtime, and ensure reliable long-term operation.

Complete filter set for Perkins 1306C-E87TAG3, TAG4 and TAG6 diesel engines, including air, oil, fuel, and water filters for generator maintenance and service kits.

Complete filter set for Perkins 1104D-E44TAG1 and 1104D-E44TAG2 diesel engines, including air, oil, and fuel filters for generator maintenance and service kits.

Complete filter set for Perkins 1104C-44TAG1 and 1104C-44TAG2 diesel engines, including air, oil, fuel, and fuel water separator filters for generator maintenance.

Complete filter set for Perkins 1106C-E66TAG4 and 1106A-70TAG4 diesel engines, including air, oil, and fuel water separator filters for generator maintenance and service kits.