AR 250, 215, 280 Diaphragm Kit - AR43261 Tank Capacity_501 – 1000 Gallons 12 is the replacement seal

12 is the replacement seal kit for Udor 28MM G-Series plunger pumps

A4 gearbox requires 16oz of 90w gear lube

To install simply bolt down the unit

Recommended Vehicle: 1 Ton truck with a payload capacity of at least 4

13 Superseded by Part # 6017

AR 250, 215, 280 Diaphragm Kit - AR43261 Tank Capacity_501 – 1000 Gallons 12 is the replacement sealPart # AR43261 is the replacement diaphragm kit for the AR250, AR215 and AR280 diaphragm pumps. AR recommends changing the diaphragms every 500 hours or three months, whichever comes first. Part # AR43261 replaces 9910 KIT1722 and will also rebuild the older Hypro D250 pump. The kit includes six replacement Desmopan diaphragms, twelve replacement valve o rings and replacement accumulator diaphragm. When rebuilding the pump diaphragms follow all