AP Filtration


of Aerospace Hydraulic, Engine Filtration Solutions, Electrical Connectors and Electrical Connector Harnesses.

About Us

In business for over 60 years, and part of the Ontic family of companies.

AP Filtration specializes in the design, development, testing and manufacture of the highest quality engine and hydraulic filtration solutions for the commercial defense sectors of the Aerospace Industry that includes Fuel, Transmission, Scavenge Oil, Hydraulic Elements & Assemblies.

Expert Support


Our broad product portfolio spans a diverse range of parts and MRO services across a variety of sectors, supporting the established commercial, military, rotorcraft, and business aviation markets.

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Your Long-term Partner in Innovation

For over five decades, Ontic has built strong, long-term relationships with both our customers and our OEM partners. Whether divesting and licensing your product lines to us, or seeking continuous availability of established aircraft parts, we’re your long-term partner — consistently delivering quality, established products and services that help keep aircrafts flying safely, for longer.

Parts & Services

From electronics and avionics, to hydraulics and pneumatics, Ontic’s breadth of capabilities has grown to include over 6,500 top-level assemblies — and we’re innovating more everyday.


Our customers trust us to provide consistent availability of established aircraft products that deliver quality, safety, and sustainability to keep their fleets flying for as long as they need.

OEM Partners

Ontic provides a selection of innovative solutions to help our OEM partners focus on their future. We acquire or license the product line to assume all supply chain responsibilities — from part production to full technical support and product part configuration.


Career Opportunities

Ready to embrace the challenge? See what difference you could make by joining our team at Ontic.

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Contact Us

Have a query? Whether you just have a general inquiry or you want to speak with one of our licensing experts, visit our ‘Contact Us’ page to find the contact details you need.