When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Looks like one of them glass fuel filters. Can't stand them, not safe at all.. If you're going to replace it, go with a non-glass type. Just my two cents.
It's the brake fluid metallic extractor. If you don't have that hooked up. you will get filings into your brake line, and if you rear-end an 18 wheeler you will get a 289 in your teeth.