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Walker AIRSEP Online Factory Superstore

Welcome to Walker Engineering's AIRSEP SUPERSTORE - 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 Industrial engines, and 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.

This store enables online purchase of select Walker products direct from the factory. If you don't see what you are looking for, please send us an email ( will be reconstructing the store to include a larger selection of popular products.

A private company, Walker Engineering offers innovative products that apply cutting edge technology to solve problems in a unique and cost effective manner.  Go with the name you can depend on and trust … Walker Engineering.