Walker AIRSEP® Closed Crankcase System
Walker Engineering

9255 San Fernando Road

Sun Valley, CA 91352

818-252-7788

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Year Established 1976

Cutting Edge Technology



About Walker Engineering

Better Fuel Economy, Better Performance, & More!

Welcome to Walker Engineering - home of the Walker AIRSEP® closed crankcase system for diesel engines. Originally configured for marine applications, the AIRSEP® is now available for all applications that use diesel engines, such as trucks, buses, RVs, Industrial engines, & even power generation. New AIRSEPS® have been designed to meet the increasing popularity of natural gas-fueled engines, as well. For heavy-duty applications, our high-efficiency CCE® series AIRSEP® is the product of choice. A private company, Walker Engineering offers innovative products that apply cutting edge technology to solve problems in a unique & cost effective manner. Our FUELSEP® & ALGAESEP® products add quality, value, & emissions reduction to any diesel powered boat, vehicle or facility. Go with the name you can depend on & trust … Walker Engineering.




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