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AR45 Ring Nut 1/2" G AR110130 #17
$14.95
AR45 Ring Nut 1/2" G AR110130 #17. A genuine service component for AR (Annovi Reverberi) pumps, position #17 in the parts diagram.
AR pumps are used widely across commercial pressure washing and softwash equipment, and like all commercial pumps they're built to be serviced rather than discarded. Keeping the right wear components available is what turns a pump failure into an afternoon of work instead of a replacement purchase.
Most AR pump wear traces to the same handful of causes: debris from inadequate inlet filtration, water in the crankcase from failed seals, running dry, or chemical exposure on softwash units. Identifying which one caused your failure matters, because refitting parts without addressing the cause means doing it again.
Confirm the part number and diagram position against your pump. AR produces multiple pump series with components that look similar but are not interchangeable.
Frequently Asked Questions
What pump does this fit? AR pumps — #17 in the parts diagram. Confirm your pump series and model before ordering.
What usually causes AR pump wear? Debris from poor inlet filtration, water in the oil from failed seals, running dry, or chemical exposure on softwash applications.
Are AR parts interchangeable across series? Not reliably. Components across AR pump series can look similar without being compatible. Match by part number.
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