AR30/40/503 Diaphragm (Buna) 5071.75 The rebuild kit includes three

The rebuild kit includes three Desmopan diaphragms (0903

AR1919 replaces 9910-Kit1919 and is compatible with Hypro D50 pumps

This is the stock suction assembly on Gregson-Clark 100/150-gallon modular tanks and 100/150-gallon V-series skid sprayers

Locknut holds pressure setting firmly in place

One year parts replacement against manufacturer's defects

AR30/40/503 Diaphragm (Buna) 5071.75 The rebuild kit includes threeAR620080 Buna Diaphragm for AR30, AR40, and AR503 pumps. This is a single diaphragm. QTY 2 diaphragms are needed for a complete diaphragm rebuild for AR30 and AR40 pumps. For AR503 pumps, QTY 3 diaphragms are needed. AR620080 supersedes Hypro part number 9910 620080 and is compatible with Hypro D30, D40 and D503 pumps