{"id":50989,"date":"2025-06-16T19:42:00","date_gmt":"2025-06-16T19:42:00","guid":{"rendered":"https:\/\/ncservo.com\/?post_type=product&#038;p=50989"},"modified":"2026-03-31T18:12:59","modified_gmt":"2026-03-31T18:12:59","slug":"ultra-4551219901","status":"publish","type":"product","link":"https:\/\/ncservo.com\/.wp-toolkit_m\/product\/ultra-4551219901\/","title":{"rendered":"ULTRA 4551-219-901"},"content":{"rendered":"<div id=\"wb-what-we-do\" class=\"wordbank-container\">\n<h2>Inspection and Repair Process<\/h2>\n<p>Our process involves a teardown of your ULTRA 4551-219-901, ultrasonic cleaning, and reassembly with quality parts to restore operation.<\/p>\n<\/div>\n<div id=\"wb-why-us\" class=\"wordbank-container\">\n<h2>Why Repair With NC Servo<\/h2>\n<p>NC Servo specializes in both valves and electronic controls, which lets us operate without the delays of OEM service centers.<\/p>\n<p>Factory-level test stands dedicated to ULTRA 4551-219-901 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 offer expedited repair services?<\/button><\/h3>\n<div id=\"faq-content-0\" class=\"faq-content\">\n<p>Rush and priority service options exist. Availability depends on current workload, so contact us early.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-1\">What&#8217;s your typical turnaround time for repairs?<\/button><\/h3>\n<div id=\"faq-content-1\" class=\"faq-content\">\n<p>Most repairs are completed within 1 to 3 weeks, depending on workload and parts availability.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-2\">Do you require the unit to be cleaned before shipping?<\/button><\/h3>\n<div id=\"faq-content-2\" class=\"faq-content\">\n<p>Not required, but removing excess oil or loose debris before packing helps keep things clean in transit.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-3\">Is it helpful if I include photos before sending the unit in?<\/button><\/h3>\n<div id=\"faq-content-3\" class=\"faq-content\">\n<p>Yes. Photos of the nameplate and overall unit let us begin identification before it arrives, which speeds up the process.<\/p>\n<\/div><\/div>\n<div class=\"faq-item\">\n<h3><button aria-expanded=\"true\" aria-controls=\"faq-content-4\">Can this unit be repaired even if I don&#8217;t know the full model number?<\/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>Final Performance Verification: After reassembly, each valve is bench-tested against published performance specifications.<\/li>\n<li>Cleaning: Units go through a mineral bath, with ultrasonic cleaning used for delicate internals.<\/li>\n<li>Teardown: Every valve is disassembled for internal inspection.<\/li>\n<li>Seal and Gasket Replacement: Worn seals and gaskets are replaced with new components during every rebuild.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-testing\" class=\"wordbank-container\">\n<h2>Leak and Performance Testing<\/h2>\n<p>NC Servo operates thirteen in-house test stands, including setups for proportional and servo valves. Every valve goes through performance and leak testing using industry-standard fluids including MIL-5606 and Skydrol. Our performance testing verifies consistent performance.<\/p>\n<\/div>\n<div id=\"wb-industry-focus\" class=\"wordbank-container new-dynamic-section\">\n<h2>Industries We Serve<\/h2>\n<p>Our trusted repair services for the ULTRA 4551-219-901 are trusted across various sectors including Construction, Manufacturing, and Steel &#038; Metals. We understand the unique demands of valves in these environments.<\/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 ULTRA 4551-219-901 unit. Our overhaul process includes seal replacement and mineral bath cleaning, using only new 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 specialist for ULTRA 4551-219-901 services, NC Servo targets quick resolution with typical lead times of 2 to 3 weeks. Benefit from our dedicated support team 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>Store spare ULTRA 4551-219-901 valves in a clean, dry environment to prevent corrosion and contamination.<\/li>\n<li>Use only manufacturer-recommended hydraulic fluids to protect internal valve surfaces.<\/li>\n<\/ul>\n<\/div>\n<div id=\"wb-cta\" class=\"wordbank-container\">\n<div class=\"cta-section\">\n<h2>Let Us Repair Your ULTRA 4551-219-901<\/h2>\n<p>Request pricing, availability, and turnaround for your ULTRA 4551-219-901. NC Servo provides experienced repair with a 1-year warranty. Contact us to schedule 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\/ultra\/\" class=\"button brand-button\">View All ULTRA Products<\/a> <a href=\"https:\/\/ncservo.com\/.wp-toolkit_m\/brand\/ultra\/\" class=\"button inventory-button\">Shop ULTRA Inventory<\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"disclaimer-section\">\n<p class=\"disclaimer\"><strong>NC Servo<\/strong> is an independent third-party repair facility. We are not affiliated with, endorsed by, sponsored by, or authorized by ULTRA or any original equipment manufacturer (OEM), nor do we claim to be a ULTRA 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>Don&#8217;t let a faulty ULTRA 4551-219-901 valve slow you down. Our technicians specialize in diagnosing and repairing these components, restoring them to working condition.<\/p>\n<\/div>\n","protected":false},"featured_media":57474,"template":"","meta":[],"product_brand":[648],"product_cat":[231],"product_tag":[152],"class_list":{"0":"post-50989","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-ultra","7":"product_cat-ultra","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>ULTRA 4551-219-901 Servo Valve Repair &amp; Testing<\/title>\n<meta name=\"description\" content=\"Hydraulic valve repair: Cost-effective, warrantied service for your ULTRA 4551-219-901. 50+ years of hydraulic repair experience. 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