Hypro D503 Diaphragm Kit

$77.00
SKU 9910-Kit1881

Diaphragm Kit 9910-Kit1881 is used to rebuild to Hypro D503. Hypro recommends changing the diaphragms every 500 hours or three months. whichever comes first. If your oil has turned a milky color there is a good chance the diaphragms have ruptured.

This kit includes three replacement diaphragms (9910-620085) and six replacement valve o-rings (9910-840110).

When replacing the pump diaphragms follow all factory torque specifications. Replacement o-ring kit (9910-kit1984) and valve kit (9910-Kit1987) are available for a complete rebuild on the Hypro D503. New oil is required for diaphragm replacement. Replace with SAE 30 weight non-detergent or Hypro oil (2160-0038).

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