We have the largest Commander 450 parts catalog available. Find all the Commander 450 parts you need, including all Liftsystem type models for Pride Mobility products. Commander 450 parts are available to be shipped directly from the manufacturer. Get the lowest prices possible on Commander 450 parts. Getting your Commander 450 back into working condition is our top priority at Southwest Medical. Call us at 800-236-4215 for assistance in locating your Spark parts.