{"product_id":"domnick-hunter-k400-ao-nh3-aftermarket-separator","title":"Domnick Hunter K400 AO NH3 Aftermarket Separator","description":"\u003cdiv style=\"font-family:'Roboto',sans-serif;color:#1a1a1a;line-height:1.6;max-width:100%;margin:0 auto;clear:both;\"\u003e\n\u003cstyle\u003e@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto+Condensed:wght@700\u0026family=Roboto:wght@400;700;900\u0026display=swap');.spm-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:30px 0}.spm-c{border:1px solid #d1d1d1;background:#fff;margin-bottom:25px;overflow:hidden;display:block}.spm-h{display:flex;align-items:center;padding:15px 20px;background:#ffce02;border-bottom:1px solid #d1d1d1;font-weight:900;text-transform:uppercase;font-size:16px;color:#000;letter-spacing:.05em;font-family:'Roboto Condensed',sans-serif}.spm-t{width:100%;border-collapse:collapse;font-size:15px}.spmL{padding:12px 10px;font-weight:700;color:#333;width:45%;border-bottom:1px solid #eee;text-align:left;background:#fcfcfc}.spmR{padding:12px 10px;color:#000;border-bottom:1px solid #eee;text-align:left}@media(max-width:900px){.spm-grid{grid-template-columns:1fr}.spm-trust{grid-template-columns:1fr!important}}\u003c\/style\u003e\n\n\u003cstrong\u003eDomnick Hunter K400 AO NH3\u003c\/strong\u003e, direct aftermarket replacement. This separator is a direct replacement separator element engineered for compressed air and gas systems. It is built to interchange with Domnick Hunter and is compatible with Mycom (Mayekawa) compressors and Tiger branded housings. With an outer diameter of 139 mm, a total height of 395 mm, and a net weight of 1.75 kg, this aftermarket separator provides a precise fit without modification.\u003cbr\u003e\u003cbr\u003eThis separator element is designed to effectively remove oil aerosols and moisture from the air stream, supporting reliable equipment performance. The robust construction and controlled pore size help maintain airflow while protecting downstream components. Choosing this separator offers a cost-effective alternative to branded parts without sacrificing fit or function.\u003cbr\u003e\u003cbr\u003eSupplied by Spare Part Mart, this separator comes with a \u003ca href=\"\/en-gb\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30-day money-back guarantee\u003c\/a\u003e and our price-beat promise. It is a sensible choice for maintenance teams who demand quality and value in their air treatment components.\n\n\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-size:20px;font-weight:900;color:#000;text-transform:uppercase;margin-bottom:15px;margin-top:30px;display:block;letter-spacing:.05em;border-bottom:2px solid #eee;padding-bottom:10px\"\u003eTECHNICAL PROPERTIES \u0026amp; CROSS REFERENCES\u003c\/span\u003e\n\n\u003cdiv class=\"spm-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv style=\"padding:0;overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eHeight-1\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e387 mm (15 1\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eTotal Height\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e395 mm (15 9\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eProduct Net Weight\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e1.75 kg (3.86 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eLargest Inner Diameter\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e56 mm (2 7\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSmallest Inner Diameter\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e4 mm (5\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e139 mm (5 15\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eStat. HS-Code\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e84149000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"spm-c\"\u003e\n\u003cdiv class=\"spm-h\"\u003eCross References\u003c\/div\u003e\n\u003cdiv style=\"padding:0;overflow-x:auto\"\u003e\u003ctable class=\"spm-t\"\u003e\n\u003cthead style=\"background:#f4f4f4;font-weight:900;text-transform:uppercase;font-size:12px;border-bottom:1px solid #d1d1d1\"\u003e\u003ctr\u003e\n\u003cth style=\"padding:12px;text-align:left;color:#000\"\u003eBrand\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;color:#000\"\u003eCode\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eDomnick Hunter\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e\u003ca href=\"\/en-gb\/products\/domnick-hunter-k400-ao-nh3-aftermarket-separator\" style=\"color:#000;text-decoration:underline\"\u003eK400 AO NH3\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eMycom (Mayekawa compressors)\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e\u003ca href=\"\/en-gb\/products\/mycom-mayekawa-compressors-mfb1438f110t2n-aftermarket-separator\" style=\"color:#000;text-decoration:underline\"\u003eMFB1438F110T2N\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eSpare Part Mart\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e\u003ca href=\"\/en-gb\/products\/spm-sep-1270-separator\" style=\"color:#000;text-decoration:underline\"\u003eSPM-SEP-1270\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spmL\"\u003eTiger\u003c\/td\u003e\n\u003ctd class=\"spmR\"\u003e\u003ca href=\"\/en-gb\/products\/tiger-dh400-m1-nh3-aftermarket-separator\" style=\"color:#000;text-decoration:underline\"\u003eDH400-M1-NH3\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin-top:40px;margin-bottom:20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px\"\u003ePrice Beat Guarantee\u003c\/h2\u003e\n\u003cdiv style=\"margin:20px 0\"\u003e\n\u003cp style=\"font-size:15px;line-height:1.8;margin-bottom:20px\"\u003eFound this part cheaper somewhere else? Send us the listing and we'll beat any genuine competitor's price under our \u003ca href=\"\/en-gb\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003ePrice Beat Guarantee\u003c\/a\u003e. We continually benchmark the market so you don't have to, so you can buy with confidence knowing you're getting the best available price on Domnick Hunter K400 AO NH3.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin-top:40px;margin-bottom:20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px\"\u003eUse Cases \u0026amp; Applications\u003c\/h2\u003e\n\u003cdiv style=\"margin:20px 0\"\u003e\n\u003cp style=\"font-size:15px;line-height:1.8;margin-bottom:20px\"\u003e\u003cstrong style=\"color:#000;font-weight:700\"\u003e24\/7 compressor duty\u003c\/strong\u003e\u003cbr\u003eIn facilities where compressors run around the clock, separating oil and water continuously is essential. This element is built to handle sustained operation, reducing the risk of oil carryover into critical air networks and preventing unscheduled downtime.\u003c\/p\u003e\n\u003cp style=\"font-size:15px;line-height:1.8;margin-bottom:20px\"\u003e\u003cstrong style=\"color:#000;font-weight:700\"\u003eHigh humidity environments\u003c\/strong\u003e\u003cbr\u003eWhen ambient moisture levels are elevated, excess water can accumulate in compressed air systems. This separator aids in efficient moisture separation, protecting air tools and precision equipment from corrosion and water damage.\u003c\/p\u003e\n\u003cp style=\"font-size:15px;line-height:1.8;margin-bottom:20px\"\u003e\u003cstrong style=\"color:#000;font-weight:700\"\u003ePreventive maintenance scheduling\u003c\/strong\u003e\u003cbr\u003eReplacing separator elements at regular intervals keeps compressor efficiency high. Stocking this aftermarket part allows maintenance teams to perform timely swaps without the high cost of branded alternatives, simplifying budget control.\u003c\/p\u003e\n\u003cp style=\"font-size:15px;line-height:1.8;margin-bottom:20px\"\u003e\u003cstrong style=\"color:#000;font-weight:700\"\u003eMultiple compressor fleet consolidation\u003c\/strong\u003e\u003cbr\u003eFor operations running various compressor brands including Mycom and Tiger, using a single cross-referenced replacement element reduces inventory complexity. This separator fits several housing types, making it a versatile spare for mixed fleets.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-family:'Roboto Condensed',sans-serif;font-size:24px;font-weight:900;color:#000;text-transform:uppercase;margin-top:40px;margin-bottom:20px;letter-spacing:.05em;border-bottom:3px solid #ffce02;padding-bottom:15px\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin:20px 0\"\u003e\n\u003cdiv style=\"margin-bottom:25px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"color:#000;font-weight:700;margin-bottom:10px;font-size:15px\"\u003eWill this separator fit my Domnick Hunter housing?\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;line-height:1.7;margin:0;color:#333\"\u003eYes, this separator is a direct dimensional match for the Domnick Hunter element. It shares the same outer diameter, heights, and inner diameters as the original, so it drops into the housing without modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:25px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"color:#000;font-weight:700;margin-bottom:10px;font-size:15px\"\u003eWhat is the filtration rating of this separator element?\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;line-height:1.7;margin:0;color:#333\"\u003eThis separator is built to match the OEM separation performance for oil and water aerosols. While we do not publish an exact micron rating, field use confirms it provides effective coalescing and drainage comparable to the original Domnick Hunter and Mycom elements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:25px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"color:#000;font-weight:700;margin-bottom:10px;font-size:15px\"\u003eWhat are the critical dimensions and will it fit my compressor?\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;line-height:1.7;margin:0;color:#333\"\u003eThe element has a total height of 395 mm, an outer diameter of 139 mm, and inner diameters of 56 mm and 4 mm. It is designed for housings that accept the Domnick Hunter style. Always compare these measurements with your existing element to confirm fit before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:25px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"color:#000;font-weight:700;margin-bottom:10px;font-size:15px\"\u003eIs this a genuine OEM part?\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;line-height:1.7;margin:0;color:#333\"\u003eNo, this is an aftermarket replacement supplied by Spare Part Mart. It is not manufactured by Domnick Hunter, Mycom, or Tiger. However, it is produced to the same form factor and performance expectations, offering a cost-effective alternative.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:25px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"color:#000;font-weight:700;margin-bottom:10px;font-size:15px\"\u003eHow do I install this separator element?\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;line-height:1.7;margin:0;color:#333\"\u003eInstallation follows standard practice: isolate and depressurise the compressor, remove the old element, clean the housing bowl, insert the new separator, and reassemble. There is no specific torque setting provided, but ensure a firm seal as per your machine’s manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:25px;padding:15px;background:#f9f9f9;border-left:4px solid #ffce02\"\u003e\n\u003ch4 style=\"color:#000;font-weight:700;margin-bottom:10px;font-size:15px\"\u003eWhat delivery options and guarantees come with this product?\u003c\/h4\u003e\n\u003cp style=\"font-size:14px;line-height:1.7;margin:0;color:#333\"\u003eAll orders include worldwide shipping with tracking. We back this separator with a \u003ca href=\"\/en-gb\/pages\/30-day-money-back-guarante\" style=\"color:#000;text-decoration:underline\"\u003e30-day money-back guarantee\u003c\/a\u003e and a \u003ca href=\"\/en-gb\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"color:#000;text-decoration:underline\"\u003eprice-beat guarantee\u003c\/a\u003e. If you find a lower price for an equivalent aftermarket element, we will beat it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:50px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#d1d1d1;border:1px solid #d1d1d1;margin-bottom:20px\" class=\"spm-trust\"\u003e\n\u003ca href=\"\/en-gb\/pages\/30-day-money-back-guarante\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 1L3 5v6c0 5.55 3.84 10.74 9 12 5.16-1.26 9-6.45 9-12V5l-9-4zm-2 16l-4-4 1.41-1.41L10 14.17l6.59-6.59L18 9l-8 8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003e30-Day Money Back Guarantee\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-gb\/pages\/delivery-information\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 17.93c-3.95-.49-7-3.85-7-7.93 0-.62.08-1.21.21-1.79L9 15v1c0 1.1.9 2 2 2v1.93zm6.9-2.54c-.26-.81-1-1.39-1.9-1.39h-1v-3c0-.55-.45-1-1-1H8v-2h2c.55 0 1-.45 1-1V7h2c1.1 0 2-.9 2-2v-.41c2.93 1.19 5 4.06 5 7.41 0 2.08-.8 3.97-2.1 5.39z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003eWorldwide Delivery\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/en-gb\/pages\/find-it-cheaper-we-will-beat-it-by-5\" style=\"background:#fff;padding:40px 15px;text-decoration:none;display:flex;flex-direction:column;align-items:center;text-align:center;color:#1a1a1a\"\u003e\u003csvg style=\"width:32px;height:32px;margin-bottom:15px;fill:#ffce02\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M21.41 11.58l-9-9C12.05 2.22 11.55 2 11 2H4c-1.1 0-2 .9-2 2v7c0 .55.22 1.05.59 1.42l9 9c.36.36.86.58 1.41.58.55 0 1.05-.22 1.41-.59l7-7c.37-.36.59-.86.59-1.41 0-.55-.23-1.06-.59-1.42zM5.5 8.25c-.69 0-1.25-.56-1.25-1.25s.56-1.25 1.25-1.25 1.25.56 1.25 1.25-.56 1.25-1.25 1.25z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003cspan style=\"font-family:'Roboto Condensed',sans-serif;font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:0.1em\"\u003ePrice Beat Guarantee\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Will this separator fit my Domnick Hunter housing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this separator is a direct dimensional match for the Domnick Hunter element. It shares the same outer diameter, heights, and inner diameters as the original, so it drops into the housing without modification.\"}},{\"@type\":\"Question\",\"name\":\"What is the filtration rating of this separator element?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This separator is built to match the OEM separation performance for oil and water aerosols. While we do not publish an exact micron rating, field use confirms it provides effective coalescing and drainage comparable to the original Domnick Hunter and Mycom elements.\"}},{\"@type\":\"Question\",\"name\":\"What are the critical dimensions and will it fit my compressor?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The element has a total height of 395 mm, an outer diameter of 139 mm, and inner diameters of 56 mm and 4 mm. It is designed for housings that accept the Domnick Hunter style. Always compare these measurements with your existing element to confirm fit before ordering.\"}},{\"@type\":\"Question\",\"name\":\"Is this a genuine OEM part?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this is an aftermarket replacement supplied by Spare Part Mart. It is not manufactured by Domnick Hunter, Mycom, or Tiger. However, it is produced to the same form factor and performance expectations, offering a cost-effective alternative.\"}},{\"@type\":\"Question\",\"name\":\"How do I install this separator element?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Installation follows standard practice: isolate and depressurise the compressor, remove the old element, clean the housing bowl, insert the new separator, and reassemble. There is no specific torque setting provided, but ensure a firm seal as per your machine’s manual.\"}},{\"@type\":\"Question\",\"name\":\"What delivery options and guarantees come with this product?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"All orders include worldwide shipping with tracking. We back this separator with a 30-day money-back guarantee and a price-beat guarantee. If you find a lower price for an equivalent aftermarket element, we will beat it.\"}}]}]}\u003c\/script\u003e","brand":"Spare Part Mart","offers":[{"title":"Default Title","offer_id":52749231817004,"sku":"SPM-SEP-1270","price":273.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/9152\/6700\/files\/spm-sep-1270_separator_f53f5df8-4116-448f-a6b2-488a9dafbcd9.jpg?v=1773321523","url":"https:\/\/sparepartmart.co\/en-gb\/products\/domnick-hunter-k400-ao-nh3-aftermarket-separator","provider":"Spare Part Mart","version":"1.0","type":"link"}