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    AR252-GR3/4-GR20 — 33480 Diaphragm Pump Assembly and Controller

    AR252-GR3/4-GR20 — 33480 Diaphragm Pump Assembly and Controller

    $1,208.23 USD
    $1,610.97 USD $1,208.23 USD
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    Out of stock — we can backorder it

    This part isn’t on our shelf right now, so it can’t be ordered online. Send us a backorder request or give us a call — we’ll check with the manufacturer and confirm price and lead time before anything is ordered.

    Request a backorder Call (509) 838-2209

    Mon–Fri 9 AM–5 PM Pacific. Backordered items may be non-returnable.

    Out of stock right now? We can backorder it — call us or send a backorder request below.

    Talk to Shayne, Brett or Jordan: real people who work on sprayers. Meet the crew
    (509) 838-2209 Mon–Fri 9 AM–5 PM Pacific · Spokane, WA
    Request a backorder or ask about this part by email

    Backorder request — tell us how many you need. We’ll confirm price and lead time before ordering; nothing is charged until you approve.

    Part: ARAR252-GR3/4-GR20 — we'll include the part number and link with your message.

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    Repair Kits for This Pump

    If the pump... What to order
    Milky oil or spray mix in the crankcase, oil in the tank, or sudden loss of pressure (diaphragm failure) Diaphragm kit — BlueFlex (standard on this pump): AR43281 · Buna (NBR): AR43278 · Desmopan: AR43279. Then flush and refill the crankcase with AR64532D oil (13 oz).
    Pressure drops or surges, slow to prime, noisy with good diaphragms (worn valves) Valve kit AR2408
    Weeping between the heads, body or manifold, or resealing during a rebuild O-ring kit AR2409
    Pressure gauge pulses hard Check the air-chamber pre-charge. The air-chamber diaphragm is included in the BlueFlex and Buna diaphragm kits above.

    Not sure which kit you need? Send a photo of the pump label to sales@spraycenter.com or call (509) 838-2209 and we'll match it before you order.

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