{"product_id":"replacement-grainger-4m578-compressor-oil","title":"Grainger 4M578 Compressor Oil Replacement | ISO VG 100 Diester Oil","description":"\u003ch2\u003eGrainger 4M578 Oil\u003c\/h2\u003e\n\u003ch3\u003eAftermarket Grainger 4M578 Diester Air Compressor Oil\u003c\/h3\u003e\n\u003ch4\u003e4M578 Compressor Oil Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCase of 12 1-Quart Containers\u003c\/li\u003e\n\u003cli\u003eISO VG 100 Diester Compressor Oil\u003c\/li\u003e\n\u003cli\u003e4,000-Hour Service Life\u003c\/li\u003e\n\u003cli\u003eRecommended for large double acting reciprocating air compressors\u003c\/li\u003e\n\u003cli\u003eProAirSupply Part Number: COMPRESS100019846\u003c\/li\u003e\n\u003cli\u003eUsually Ships in 24-48 Hours\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e100% Compatible Replacement for Grainger 4M578 Compressor Oil\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGrainger 4M578 is a diester-based air compressor lubricant formulated with advanced additive technology for demanding industrial applications. This ISO VG 100 compressor oil is engineered for cylinder lubrication in large double-acting reciprocating air compressors, helping to reduce carbon formation on discharge valves, minimize wear, and improve compressor efficiency.\u003c\/p\u003e\u003cp\u003e\nThis aftermarket replacement oil for Grainger 4M578 is also recommended for rotary screw compressors, rotary vane compressors, most reciprocating compressors, and positive displacement (PD) blowers. The premium diester formulation provides outstanding lubrication, thermal stability, oxidation resistance, and extended service life in demanding industrial compressor applications.\u003c\/p\u003e\u003cp\u003eDesigned as a 100% compatible replacement for OEM Grainger 4M578 compressor oil, this high-performance lubricant helps reduce maintenance costs, extend equipment life, and maintain reliable compressor performance. Its advanced Diester formulation resists carbon buildup on valves and internal components while delivering dependable protection throughout its 4,000-hour service life under normal operating conditions.\u003c\/p\u003e","brand":"ProAirSupply","offers":[{"title":"12 x 1 Quarts","offer_id":42902789521504,"sku":"COMPRESS100019846","price":243.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4601\/5072\/files\/1-quart-compressor-oil.png?v=1782509658","url":"https:\/\/proairsupply.com\/products\/replacement-grainger-4m578-compressor-oil","provider":"ProAirSupply","version":"1.0","type":"link"}