As an Amazon Associate, we earn from qualifying purchases. Main Filter Main Filter . MF0417991 Gallery Attributes Brand name, Manufacturer name, Manufacturer, Extra Product NameMain Filter Attribute00, Attribute16Pressure Line Attribute01, Attribute15PARKER Attribute02R991H3903A Attribute03, Attribute143 Attribute04Outside-In Attribute05200/3 Attribute061000/4.5 Attribute07Viton Attribute0838.81 Attribute09, Attribute103.74 Attribute11, Attribute122.19 Attribute133045 Attribute17Hydraulic Filter Attribute18Filtration Attribute19, Weight11.973 Attribute20Glass Attribute21, countryOfOriginCanada AttributeKey00Filter Style AttributeKey01Replaces OEM Brand AttributeKey02Replaces OEM Part AttributeKey03Filter Rating (Microns) AttributeKey04Flow Direction AttributeKey05Beta Ratio 1 AttributeKey06Beta Ration 2 AttributeKey07Seal Type AttributeKey08Height AttributeKey09OD Top AttributeKey10OD Bottom AttributeKey11ID Top AttributeKey12ID Bottom AttributeKey13Collapse Pressure AttributeKey14Micron Rating AttributeKey15OEM Replacement Brand AttributeKey16Filter Type AttributeKey17Item AttributeKey18Application AttributeKey19, Weight_AttribWeight AttributeKey20Product Media AttributeKey21Country of Origin (subject to change) DimensionUnitinch GraingerSku, MPNMF0417991 WeightUnitlbs extendedLead5 jsonUrlData924526ffbdad25e5923b moq, multiple, tierMinQty11 qtyInStock, qtyInStockOverride0 qtySourceqtyInStockOverride SKUG8806886 tierPrice1558.02 urlhttps://www.zoro.com/main-filter-hydraulic-filter-replaces-parker-r991h3903a-pressure-line-3-micron-outside-in-mf0417991/i/G8806886/ Distributor offers SellerSKUMOQIn stockMultiplePrices ZoroG8806886111 @ $558.02