OEM replacement diaphragm kit for SHURflo® 2088 Series diaphragm pumps. A cracked or worn diaphragm is the most common cause of pressure loss, reduced flow, and pump failure. This Santoprene® diaphragm drive replacement kit restores pump performance to like-new condition. Compatible with standard 2088-series models. Includes the complete diaphragm drive assembly. Designed for field service — no special tools required. An essential spare part for any portable restroom operator or sanitation service company running SHURflo 2088 pumps.