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    AR43278 — Kit: Buna/NBR Diaphragm AR252

    AR43278 — Kit: Buna/NBR Diaphragm AR252

    $60.38 USD
    $80.51 USD $60.38 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.

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    (509) 838-2209 Mon–Fri 9 AM–5 PM Pacific · Spokane, WA
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    Get an instant answer on “AR43278 — Kit: Buna/NBR Diaphragm AR252” — fitment, alternatives, or what else you need

    Genuine A.R. (Annovi Reverberi) diaphragm kit — NBR material, part no. AR43278.

    What’s in the Kit

    Qty Part Description
    2 480440 O-ring Ø 17.13x2.62
    2 800080 Diaphragm (NBR)
    1 800190 Semi air chamber lower (Buna)
    2 800210 O-ring Ø 13.10x2.62
    4 880830 O-ring Ø 15.54x2.62

    Use this kit when a diaphragm has failed: milky oil or spray mix in the crankcase, oil in the spray tank, or a sudden loss of pressure. After a diaphragm failure, flush the crankcase and refill with fresh AR64532D oil (13 oz).

    Diaphragm material: BlueFlex is what most current AR ag pumps ship with. Match the material already in your pump, or the one your chemical label calls for. Other materials for the AR252: BlueFlex: AR43281 · Desmopan: AR43279.

    Full rebuild for the AR252: AR2408 valves, AR2409 O-rings.

    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.

    Details

    Part number AR43278
    Type Diaphragm Kit
    Material NBR

    Fits

    AR252, AR252D series pumps.

    Specifications from A.R. North America. Service parts per the 2024 A.R. Agriculture Product Catalog.

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