Cheapest on Ebay when posting. this kit is a 2 part filter... the entire kit is part number 600 185 3100...   the 2 individual filters that are in the kit are 600 185 3110  and 600 185 3120. i have been cleaning out my garage. selling things i don't need. i try to make it to the post office at least once a day. i welcome questions and accept returns. thank you for looking.