{"id":1062,"date":"2025-04-10T13:45:24","date_gmt":"2025-04-10T05:45:24","guid":{"rendered":"https:\/\/hengoseal.com\/?p=1062"},"modified":"2025-06-16T14:13:15","modified_gmt":"2025-06-16T06:13:15","slug":"oil-seal-identification-guide","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/tr\/oil-seal-identification-guide\/","title":{"rendered":"Par\u00e7a Numaras\u0131na veya Boyutuna G\u00f6re Do\u011fru Ya\u011f Ke\u00e7esi Nas\u0131l Belirlenir?"},"content":{"rendered":"<p>Struggling to match an oil seal without a clear label? Whether you're handling a smudged number or a sample with no ID, finding the right seal can feel like searching for a needle in a haystack.<\/p>\n<p>You don\u2019t need to guess. With the right measurement or a partial code, I can walk you through two foolproof ways to identify oil seals and avoid mismatches.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/hengoseal.com\/wp-content\/uploads\/2024\/11\/oil-seal-id-guide.jpg\" alt=\"placeholder_image\" \/><\/p>\n<h2>What information is needed to identify an oil seal?<\/h2>\n<p>You can identify an oil seal using either its part number or by measuring its dimensions.<\/p>\n<ul>\n<li><strong>Par\u00e7a Numaras\u0131<\/strong>: Check for printed or engraved codes like \u201c90311-47027.\u201d  <\/li>\n<li><strong>Boyutlar<\/strong>: Measure ID (shaft size), OD (bore size), and width using a caliper.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Terim<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0130D<\/td>\n<td>Inner Diameter (shaft fit)<\/td>\n<\/tr>\n<tr>\n<td>A\u015f\u0131r\u0131 doz<\/td>\n<td>Outer Diameter (housing fit)<\/td>\n<\/tr>\n<tr>\n<td>Geni\u015flik<\/td>\n<td>Overall seal thickness<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/hengoseal.com\/tr\/oil-seal\/\" target=\"_blank\">Explore our oil seal product range<\/a> for matches in standard sizes like TC 25x40x7 or custom sizes.<\/p>\n<h2>How do I identify an oil seal using its part number?<\/h2>\n<p>If your seal still has visible markings, use them to cross-reference.<\/p>\n<ul>\n<li>Look along the outer edge or sidewall for printed codes.<\/li>\n<li>Search OEM numbers like \u201cTOYOTA 90311-47027.\u201d<\/li>\n<li>Use online catalogs or message us directly.<\/li>\n<\/ul>\n<p>We often match references like:<\/p>\n<ul>\n<li><strong>90311-47027<\/strong> \u279c <a href=\"https:\/\/hengoseal.com\/tr\/toyota-oil-seal-replacement\/\" target=\"_blank\">Toyota Oil Seal Replacement Guide<\/a>  <\/li>\n<li><strong>TC 25x40x7<\/strong> \u279c <a href=\"https:\/\/hengoseal.com\/tr\/oil-seal\/\" target=\"_blank\">Standard TC Seals<\/a><\/li>\n<\/ul>\n<h2>What if there\u2019s no part number\u2014how do I measure the seal?<\/h2>\n<p>If there's no visible marking:<\/p>\n<ol>\n<li>Clean the seal thoroughly.  <\/li>\n<li>Use a digital caliper for precision.  <\/li>\n<li>\n<p>Measure:<\/p>\n<ul>\n<li><strong>\u0130\u00e7 \u00c7ap (ID)<\/strong>: hole where the shaft goes  <\/li>\n<li><strong>D\u0131\u015f \u00c7ap (OD)<\/strong>: outer edge to fit housing  <\/li>\n<li><strong>Thickness (Width)<\/strong>: overall depth of the seal<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u00d6rnek:<br \/>\nIf your caliper reads 29.9 mm ID, 47.7 mm OD, and 7.0 mm width, it\u2019s likely a <strong>30x48x7<\/strong> fok.<\/p>\n<p>Need help? Snap a photo beside a ruler and send it to us\u2014we\u2019ll match it for you.<a href=\"https:\/\/hengoseal.com\/tr\/oil-seal-installation-guide\/\" target=\"_blank\">Here\u2019s how to install your matched oil seal correctly<\/a>.<\/p>\n<h2>Can I cross-reference oil seals from different brands?<\/h2>\n<p>Yes, most oil seals follow standard sizing systems, and we provide cross-reference support.<\/p>\n<p>We match part numbers across major OEMs and brands:<\/p>\n<table>\n<thead>\n<tr>\n<th>OEM Numaras\u0131<\/th>\n<th>Equivalent Size<\/th>\n<th>Tip<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>TOYOTA 90311-47027<\/td>\n<td>47x70x10<\/td>\n<td>TC \u00c7ift Dudak<\/td>\n<\/tr>\n<tr>\n<td>VW 038 103 085C<\/td>\n<td>40x56x7<\/td>\n<td>D\u00f6ner Mil Contas\u0131<\/td>\n<\/tr>\n<tr>\n<td>NOK TC 30x48x7<\/td>\n<td>30x48x7<\/td>\n<td>TC Ya\u011f Ke\u00e7esi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/hengoseal.com\/tr\/skeleton-oil-seal-guide\/\" target=\"_blank\">Learn more about oil seal types and equivalents<\/a>.<\/p>\n<h2>Is it safe to use a slightly different oil seal size?<\/h2>\n<p>Usually not. Even small deviations in ID, OD, or width can lead to leakage or misfit.<\/p>\n<ul>\n<li>ID off by 0.5 mm? Risk of poor shaft seal.<\/li>\n<li>Width mismatch? You might compress or misalign components.<\/li>\n<\/ul>\n<p>Stick with exact matches. If in doubt, contact us and we\u2019ll verify compatibility.<\/p>\n<h2>Do I need all three dimensions to match a seal?<\/h2>\n<p>Ideally, yes. But you can start with what you have.<\/p>\n<ul>\n<li>Just an OD? We\u2019ll narrow down matching specs.<\/li>\n<li>Partial width or worn ID? We can estimate based on standard sizes.<\/li>\n<\/ul>\n<p>Still unsure? Send us photos and we\u2019ll do a manual cross-check within hours.<\/p>\n<h2>\u00c7\u00f6z\u00fcm<\/h2>\n<p>Finding the right oil seal doesn\u2019t have to be a guessing game. Whether you have a faded number, partial size, or no clue at all\u2014there\u2019s always a way to get the perfect match.<\/p>\n<h2>Need help identifying your oil seal?<\/h2>\n<p>\ud83d\udce7 E-posta: info@hengoseal.com<br \/>\n\ud83d\udcf1 WhatsApp: +86 17622979498<br \/>\nSend us part numbers, sizes, or photos\u2014we\u2019ll match it quickly and accurately.<\/p>\n<h2>Related topic<\/h2>\n<ul>\n<li><a href=\"https:\/\/hengoseal.com\/tr\/tc-oil-seal-structure-uses\/\" target=\"_blank\">TC Ya\u011f Ke\u00e7esi: Yap\u0131, \u00d6zellikler ve Kullan\u0131mlar<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/tr\/fkm-vs-nbr-oil-seal\/\" target=\"_blank\">FKM vs NBR: Which Oil Seal Material to Choose?<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/tr\/oil-seal-installation-guide\/\" target=\"_blank\">How to Install Oil Seals Correctly<\/a><\/li>\n<\/ul>\n<style>\n.faq-question {\ncursor: pointer;\nfont-weight: bold;\npadding: 10px;\nbackground-color: #f1f1f1;\nborder: 1px solid #ddd;\nmargin-bottom: 5px;\ncolor: #0073aa;\n}\n.faq-answer {\ndisplay: none;\npadding: 10px;\nborder-left: 3px solid #0073aa;\nbackground-color: #f9f9f9;\nmargin-bottom: 10px;\n}\n<\/style>\n<p><script>\ndocument.addEventListener('DOMContentLoaded', function() {\nconst questions = document.querySelectorAll('.faq-question');\nquestions.forEach(question => {\nquestion.addEventListener('click', function() {\nconst answer = this.nextElementSibling;\nanswer.style.display = answer.style.display === 'block' ? 'none' : 'block';\n});\n});\n});\n<\/script><br \/>\n<!-- JSON-LD FAQ Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"FAQPage\",\n\"mainEntity\": [\n{\n\"@type\": \"Question\",\n\"name\": \"Can I identify a seal with only the outer measurements?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, but a full match requires ID, OD, and width. Just OD is a good start, but not enough for accuracy.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What does &ldquo;TC&rdquo; mean on an oil seal?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"It means a double-lip seal with rubber-coated OD and a garter spring&mdash;standard for rotating shafts.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can I use a slightly different seal size?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"We don&rsquo;t recommend it. Even 0.5 mm off can compromise the seal&rsquo;s performance.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What if the part number is faded or incomplete?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Send us a photo. We recognize many OEM formats and can usually guess the correct code.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Do you support cross-referencing for global brands?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes. We cross-reference NOK, NAK, SKF, Parker, Toyota, Mitsubishi, and more.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can I get a full chart of matched seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Absolutely. We offer PDF\/Excel charts for distributors. Tell us your target market or brand.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What materials are your oil seals made of?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"We offer NBR, FKM, ACM, PU, and more. Selection depends on temperature and chemical compatibility.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What&rsquo;s your MOQ for matched or custom seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Very flexible. We support small orders (5&ndash;10 pcs) and bulk quotes.\"\n}\n}\n]\n}\n<\/script><\/p>\n<h2>\u0130nsanlar Ayr\u0131ca Soruyor<\/h2>\n<div class=\"faq-container\">\n<div class=\"faq-question\">1. Bir m\u00fchr\u00fc sadece d\u0131\u015f \u00f6l\u00e7\u00fclerine bakarak tan\u0131mlayabilir miyim?<\/div>\n<div class=\"faq-answer\">Yes, but a full match requires ID, OD, and width. Just OD is a good start, but not enough for accuracy.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">2. Ya\u011f ke\u00e7esindeki \u201cTC\u201d ne anlama gelir?<\/div>\n<div class=\"faq-answer\">It means a double-lip seal with rubber-coated OD and a garter spring\u2014standard for rotating shafts.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">3. Can I use a slightly different seal size?<\/div>\n<div class=\"faq-answer\">We don\u2019t recommend it. Even 0.5 mm off can compromise the seal\u2019s performance.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">4. What if the part number is faded or incomplete?<\/div>\n<div class=\"faq-answer\">Send us a photo. We recognize many OEM formats and can usually guess the correct code.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">5. Do you support cross-referencing for global brands?<\/div>\n<div class=\"faq-answer\">Yes. We cross-reference NOK, NAK, SKF, Parker, Toyota, Mitsubishi, and more.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">6. Can I get a full chart of matched seals?<\/div>\n<div class=\"faq-answer\">Absolutely. We offer PDF\/Excel charts for distributors. Tell us your target market or brand.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">7. What materials are your oil seals made of?<\/div>\n<div class=\"faq-answer\">We offer NBR, FKM, ACM, PU, and more. Selection depends on temperature and chemical compatibility.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">8. What\u2019s your MOQ for matched or custom seals?<\/div>\n<div class=\"faq-answer\">Very flexible. We support small orders (5\u201310 pcs) and bulk quotes.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Struggling to match an oil seal without a clear label? Whether you&#8217;re handling a smudged number or a sample with [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1063,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[32],"tags":[],"class_list":["post-1062","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oil-seal"],"_links":{"self":[{"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/posts\/1062","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/comments?post=1062"}],"version-history":[{"count":0,"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/posts\/1062\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/media\/1063"}],"wp:attachment":[{"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/media?parent=1062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/categories?post=1062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hengoseal.com\/tr\/wp-json\/wp\/v2\/tags?post=1062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}