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AR303 & AR403 Diaphragm Kit
$52.59
SKU AR43287
Part # AR43289 is the diaphragm kit for the AR303 and AR403 diaphragm pumps. When diaphragms rupture the oil in the reservoir will turn a milky color.
AR 43287 replaces 9910-Kit2423 and will rebuild Hypro D403 pumps
When replacing the pump diaphragms be sure to follow all factory torque specifications. A pump rebuild will also require the oil to be drained and replaced with 30-weight non-detergent oil.
