{"id":53526,"date":"2025-06-16T20:12:00","date_gmt":"2025-06-16T20:12:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=53526"},"modified":"2026-04-06T17:59:09","modified_gmt":"2026-04-06T17:59:09","slug":"rexroth-m-4sew6y37420mg24n9k4v","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/","title":{"rendered":"REXROTH M-4SEW6Y37\/420MG24N9K4\/V"},"content":{"rendered":"<div id=\"wb-what-we-do\" class=\"wordbank-container\">\n<h2>Inspection and Repair Process<\/h2>\n<p>Each REXROTH M-4SEW6Y37\/420MG24N9K4\/V undergoes reconditioning \u2014 disassembly, parts replacement, reassembly, and bench testing before shipment.<\/p>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>Why Repair With NC Servo<\/h2>\n<p>Our technicians work on industrial components like the REXROTH M-4SEW6Y37\/420MG24N9K4\/V daily. That hands-on repetition builds the kind of experience that speeds up diagnosis and reduces rework.<\/p>\n<p>Factory-level test stands dedicated to REXROTH M-4SEW6Y37\/420MG24N9K4\/V performance verification<\/p>\n<\/div>\n<div id=\"wb-faq\" class=\"wordbank-container\">\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"faq-accordion\">\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-0\">Do you back your repairs with a warranty?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>Yes. Our repairs include a 12-month warranty on parts and labor covering parts and labor.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">When should I repair a unit versus replacing it?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>We give you a straight assessment after inspection. If repair doesn&#8217;t make sense, we&#8217;ll let you know and discuss alternatives.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">Can you tell me what caused the failure?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>Yes. We diagnose first, then provide a repair recommendation with our findings. No work begins without your approval.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-3\">Do you offer expedited repair services?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>Yes, rush service is available for an additional fee. Let us know your deadline when you submit your request.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">Is it possible to repair a unit without full labeling or ID?<\/button><\/h3>\n<div id=\"faq-content-4\" class=\"faq-content\">\n<p>Yes. Our technicians can often identify units based on photos, dimensions, or manufacturer markings. Send a photo before shipping to speed up intake.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/div>\n<div id=\"wb-process\" class=\"wordbank-container\">\n<h2>How We Rebuild This Valve<\/h2>\n<p>We rebuild every valve from the inside out: cleaning, inspection, parts replacement, reassembly, and bench testing.<\/p>\n<ul>\n<li>Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.<\/li>\n<li>In-House Parts Sourcing: Many repairs use components sourced from our inventory of 17,000+ units.<\/li>\n<li>Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.<\/li>\n<li>Leak and Pressure Testing: The reassembled unit is leak-tested and pressure-tested to verify it meets published specs.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Diagnostic Testing<\/h2>\n<p>With our 13-stand test facility and a Hagenbush proportional valve system, we verify flow curves, hysteresis, frequency response, and more. Performance reports and graphs are available for purchase on request. Our pre-shipment testing verifies spec-level operation.<\/p>\n<\/div>\n<div id=\"wb-tech-overview\" class=\"wordbank-container new-dynamic-section\">\n<h2>Technical Specifications<\/h2>\n<p>Every REXROTH M-4SEW6Y37\/420MG24N9K4\/V we service is tested under operating environments. Our diagnostics verify performance against published specifications. Cycle life data and Performance data are available for purchase upon request.<\/p>\n<\/div>\n<div id=\"wb-service-offerings\" class=\"wordbank-container new-dynamic-section\">\n<h2>Repair, Rebuild and Exchange Options<\/h2>\n<p>Beyond standard sales, we offer specialized reconditioning for your REXROTH M-4SEW6Y37\/420MG24N9K4\/V unit. Our overhaul process includes bench testing and pressure testing, using only replacement replacement components.<\/p>\n<\/div>\n<div id=\"wb-logistics-support\" class=\"wordbank-container new-dynamic-section\">\n<h2>Turnaround and Shipping<\/h2>\n<p>As a focused repair facility for REXROTH M-4SEW6Y37\/420MG24N9K4\/V services, NC Servo Technology targets quick resolution with typical lead times of 1 to 3 weeks. Benefit from our direct access to our technicians to keep your systems running smoothly.<\/p>\n<\/div>\n<div id=\"wb-tips\" class=\"wordbank-container\">\n<h2>Maintenance Tips<\/h2>\n<ul>\n<li>Monitor operating temperatures to identify potential issues before failure occurs.<\/li>\n<li>Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.<\/li>\n<li>Schedule preventive maintenance intervals based on duty cycle, not just calendar time.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Request a Quote for Your REXROTH M-4SEW6Y37\/420MG24N9K4\/V Maintenance<\/h2>\n<p>Request pricing, availability, and turnaround for your REXROTH M-4SEW6Y37\/420MG24N9K4\/V. NC Servo Technology provides experienced repair with a 1-year warranty. Contact us to start your repair.<\/p>\n<div class=\"cta-buttons\"><a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/contact-us\/\" class=\"button quote-button\">Request a Quote<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/rexroth\/\" class=\"button brand-button\">View All REXROTH Products<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/brand\/rexroth\/\" class=\"button inventory-button\">Shop REXROTH Inventory<\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"disclaimer-section\">\n<p class=\"disclaimer\"><strong>NC Servo Technology<\/strong> is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by REXROTH or any original equipment manufacturer (OEM), nor do we claim to be a REXROTH service center. All brand names, trademarks, model numbers, and part numbers referenced on this page are the property of their respective owners and are used solely for identification and compatibility purposes.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div id=\"wb-short-description\" class=\"short-description-container\">\n<p>Every minute your REXROTH M-4SEW6Y37\/420MG24N9K4\/V is down costs your operation. We offer expedited repair turnaround and exchange units to keep production moving.<\/p>\n<\/div>\n","protected":false},"featured_media":58015,"template":"","meta":[],"product_brand":[562],"product_cat":[156],"product_tag":[152],"class_list":{"0":"post-53526","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-rexroth","7":"product_cat-rexroth","8":"product_tag-valve","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>REXROTH M-4SEW6Y37\/420MG24N9K4\/V Valve Rebuild &amp; Bench Testing<\/title>\n<meta name=\"description\" content=\"Servo valve repair: Durable, reliable service for your REXROTH M-4SEW6Y37\/420MG24N9K4\/V. Exchange units available to reduce downtime. Get started!\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"REXROTH M-4SEW6Y37\/420MG24N9K4\/V Valve Rebuild &amp; Bench Testing\" \/>\n<meta property=\"og:description\" content=\"Servo valve repair: Durable, reliable service for your REXROTH M-4SEW6Y37\/420MG24N9K4\/V. Exchange units available to reduce downtime. Get started!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/\" \/>\n<meta property=\"og:site_name\" content=\"Nc Servo Technology\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NCServo\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-06T17:59:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/rexroth-0811404167-image-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2276\" \/>\n\t<meta property=\"og:image:height\" content=\"1566\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@NcServo\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/\",\"name\":\"REXROTH M-4SEW6Y37\\\/420MG24N9K4\\\/V Valve Rebuild &amp; Bench Testing\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/rexroth-0811404167-image-1.webp\",\"datePublished\":\"2025-06-16T20:12:00+00:00\",\"dateModified\":\"2026-04-06T17:59:09+00:00\",\"description\":\"Servo valve repair: Durable, reliable service for your REXROTH M-4SEW6Y37\\\/420MG24N9K4\\\/V. Exchange units available to reduce downtime. Get started!\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/rexroth-0811404167-image-1.webp\",\"contentUrl\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/rexroth-0811404167-image-1.webp\",\"width\":2276,\"height\":1566},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/product\\\/rexroth-m-4sew6y37420mg24n9k4v\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Inventory\",\"item\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/inventory\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"REXROTH M-4SEW6Y37\\\/420MG24N9K4\\\/V Valve Maintenance\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#website\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"name\":\"NC Servo Technology\",\"description\":\"We Buy &amp; Repair Servo Valves\",\"publisher\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#organization\",\"name\":\"NC Servo\",\"url\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"NC Servo\"},\"image\":{\"@id\":\"https:\\\/\\\/ncservo.com\\\/.wp-toolkit_m\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/NCServo\\\/\",\"https:\\\/\\\/x.com\\\/NcServo\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"REXROTH M-4SEW6Y37\/420MG24N9K4\/V Valve Rebuild &amp; Bench Testing","description":"Servo valve repair: Durable, reliable service for your REXROTH M-4SEW6Y37\/420MG24N9K4\/V. Exchange units available to reduce downtime. Get started!","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"REXROTH M-4SEW6Y37\/420MG24N9K4\/V Valve Rebuild &amp; Bench Testing","og_description":"Servo valve repair: Durable, reliable service for your REXROTH M-4SEW6Y37\/420MG24N9K4\/V. Exchange units available to reduce downtime. Get started!","og_url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/","og_site_name":"Nc Servo Technology","article_publisher":"https:\/\/www.facebook.com\/NCServo\/","article_modified_time":"2026-04-06T17:59:09+00:00","og_image":[{"width":2276,"height":1566,"url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/rexroth-0811404167-image-1.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_site":"@NcServo","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/","name":"REXROTH M-4SEW6Y37\/420MG24N9K4\/V Valve Rebuild &amp; Bench Testing","isPartOf":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/#primaryimage"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/#primaryimage"},"thumbnailUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/rexroth-0811404167-image-1.webp","datePublished":"2025-06-16T20:12:00+00:00","dateModified":"2026-04-06T17:59:09+00:00","description":"Servo valve repair: Durable, reliable service for your REXROTH M-4SEW6Y37\/420MG24N9K4\/V. Exchange units available to reduce downtime. Get started!","breadcrumb":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/#primaryimage","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/rexroth-0811404167-image-1.webp","contentUrl":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-content\/uploads\/2026\/03\/rexroth-0811404167-image-1.webp","width":2276,"height":1566},{"@type":"BreadcrumbList","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/rexroth-m-4sew6y37420mg24n9k4v\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/"},{"@type":"ListItem","position":2,"name":"Inventory","item":"https:\/\/ncservo.com\/.wp-toolkit_m\/inventory\/"},{"@type":"ListItem","position":3,"name":"REXROTH M-4SEW6Y37\/420MG24N9K4\/V Valve Maintenance"}]},{"@type":"WebSite","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#website","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","name":"NC Servo Technology","description":"We Buy &amp; Repair Servo Valves","publisher":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ncservo.com\/.wp-toolkit_m\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#organization","name":"NC Servo","url":"https:\/\/ncservo.com\/.wp-toolkit_m\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/","url":"","contentUrl":"","caption":"NC Servo"},"image":{"@id":"https:\/\/ncservo.com\/.wp-toolkit_m\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/NCServo\/","https:\/\/x.com\/NcServo"]}]}},"_links":{"self":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product\/53526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media\/58015"}],"wp:attachment":[{"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/media?parent=53526"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_brand?post=53526"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_cat?post=53526"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ncservo.com\/.wp-toolkit_m\/wp-json\/wp\/v2\/product_tag?post=53526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}