{"id":5901,"date":"2026-04-22T09:25:01","date_gmt":"2026-04-22T09:25:01","guid":{"rendered":"http:\/\/ql-autoparts.com\/?post_type=product&#038;p=5901"},"modified":"2026-04-22T09:25:01","modified_gmt":"2026-04-22T09:25:01","slug":"wg2229260012-cover-plate","status":"publish","type":"product","link":"http:\/\/ql-autoparts.com\/ru\/product\/wg2229260012-cover-plate\/","title":{"rendered":"WG2229260012 cover plate"},"content":{"rendered":"<p data-start=\"133\" data-end=\"245\">The WG2229260012 Cover Plate is a dedicated sealing and protective component for heavy-duty truck transmissions.<\/p>\n<p data-start=\"247\" data-end=\"562\">It is installed on gearbox side covers, inspection openings, or process holes to provide sealing, dust protection, and structural reinforcement. As a fundamental gearbox housing component, it ensures internal cleanliness, prevents oil leakage, and protects critical transmission parts from contamination and damage.<\/p>\n<div id='gallery-1' class='gallery galleryid-5901 gallery-columns-2 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/ql-autoparts.com\/ru\/?attachment_id=5905'><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"400\" src=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-12.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-12.webp 600w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-12-300x200.webp 300w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/2-12-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/ql-autoparts.com\/ru\/?attachment_id=5904'><img decoding=\"async\" width=\"600\" height=\"400\" src=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-23.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-23.webp 600w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-23-300x200.webp 300w, http:\/\/ql-autoparts.com\/wp-content\/uploads\/2026\/04\/1-23-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<h2 data-section-id=\"z1fpz0\" data-start=\"569\" data-end=\"596\">Installation Position<\/h2>\n<ul data-start=\"597\" data-end=\"765\">\n<li data-section-id=\"1wirzq3\" data-start=\"597\" data-end=\"627\">Gearbox housing side cover<\/li>\n<li data-section-id=\"1gkofvg\" data-start=\"628\" data-end=\"665\">Inspection \/ observation openings<\/li>\n<li data-section-id=\"1mhy6ey\" data-start=\"666\" data-end=\"705\">Process or maintenance access holes<\/li>\n<li data-section-id=\"kd6la6\" data-start=\"706\" data-end=\"765\">Fixed by bolts with full surface contact on the housing<\/li>\n<\/ul>\n<h2 data-section-id=\"cpjktu\" data-start=\"772\" data-end=\"792\">Core Functions<\/h2>\n<ul data-start=\"793\" data-end=\"1049\">\n<li data-section-id=\"pb7rb1\" data-start=\"793\" data-end=\"850\">Seals gearbox housing openings to prevent oil leakage<\/li>\n<li data-section-id=\"1bjx2nb\" data-start=\"851\" data-end=\"911\">Blocks dust, mud, metal chips, and external contaminants<\/li>\n<li data-section-id=\"15371go\" data-start=\"912\" data-end=\"971\">Protects gears, bearings, and synchronizers from damage<\/li>\n<li data-section-id=\"1x7vr67\" data-start=\"972\" data-end=\"1049\">Provides additional structural reinforcement against vibration and impact<\/li>\n<\/ul>\n<h2 data-section-id=\"poa6to\" data-start=\"1056\" data-end=\"1080\">Product Advantages<\/h2>\n<h3 data-section-id=\"16lf3m6\" data-start=\"1082\" data-end=\"1130\">\u25cf High-Strength Thickened Steel Construction<\/h3>\n<p data-start=\"1131\" data-end=\"1215\">Manufactured from <strong data-start=\"1149\" data-end=\"1214\">thickened cold-rolled steel \/ low-carbon steel plate (\u22652.5mm)<\/strong>:<\/p>\n<ul data-start=\"1216\" data-end=\"1355\">\n<li data-section-id=\"1ymdwj7\" data-start=\"1216\" data-end=\"1264\">High rigidity and strong structural strength<\/li>\n<li data-section-id=\"1f75x9o\" data-start=\"1265\" data-end=\"1310\">Excellent toughness and impact resistance<\/li>\n<li data-section-id=\"1tbefki\" data-start=\"1311\" data-end=\"1355\">Resistant to deformation under vibration<\/li>\n<\/ul>\n<p data-start=\"1357\" data-end=\"1422\">It ensures long-term durability under harsh operating conditions.<\/p>\n<h3 data-section-id=\"z7rvg2\" data-start=\"1429\" data-end=\"1471\">\u25cf Excellent Anti-Corrosion Performance<\/h3>\n<p data-start=\"1472\" data-end=\"1546\">Surface treated with <strong data-start=\"1493\" data-end=\"1534\">blackening or electrophoresis coating<\/strong>, providing:<\/p>\n<ul data-start=\"1547\" data-end=\"1699\">\n<li data-section-id=\"1otajpx\" data-start=\"1547\" data-end=\"1593\">Strong resistance to gearbox oil corrosion<\/li>\n<li data-section-id=\"1cjexaf\" data-start=\"1594\" data-end=\"1656\">High temperature resistance (80\u2013120\u00b0C working environment)<\/li>\n<li data-section-id=\"1ywyycq\" data-start=\"1657\" data-end=\"1699\">Excellent moisture and rust protection<\/li>\n<\/ul>\n<p data-start=\"1701\" data-end=\"1770\">The coating ensures long-term stability without peeling or corrosion.<\/p>\n<h3 data-section-id=\"z8xaol\" data-start=\"1777\" data-end=\"1810\">\u25cf One-Piece Stamped Structure<\/h3>\n<p data-start=\"1811\" data-end=\"1869\">Produced using <strong data-start=\"1826\" data-end=\"1868\">integrated stamping forming technology<\/strong>:<\/p>\n<ul data-start=\"1870\" data-end=\"1968\">\n<li data-section-id=\"1cp7por\" data-start=\"1870\" data-end=\"1894\">No welding or joints<\/li>\n<li data-section-id=\"9f4k1g\" data-start=\"1895\" data-end=\"1926\">Uniform structural strength<\/li>\n<li data-section-id=\"16c3qn6\" data-start=\"1927\" data-end=\"1968\">Eliminates cracking and leakage risks<\/li>\n<\/ul>\n<p data-start=\"1970\" data-end=\"2021\">This greatly improves reliability and service life.<\/p>\n<h3 data-section-id=\"wfoehw\" data-start=\"2028\" data-end=\"2058\">\u25cf Precision Fitment Design<\/h3>\n<p data-start=\"2059\" data-end=\"2082\">The sealing surface is:<\/p>\n<ul data-start=\"2083\" data-end=\"2224\">\n<li data-section-id=\"1vqw4l2\" data-start=\"2083\" data-end=\"2122\">Flat and smooth for perfect contact<\/li>\n<li data-section-id=\"c2w7gn\" data-start=\"2123\" data-end=\"2172\">Precisely matched to gearbox housing contours<\/li>\n<li data-section-id=\"cwz3b5\" data-start=\"2173\" data-end=\"2224\">Free of gaps or edge lifting after installation<\/li>\n<\/ul>\n<p data-start=\"2226\" data-end=\"2304\">It ensures reliable sealing performance and prevents leakage or contamination.<\/p>\n<h3 data-section-id=\"dlj8kl\" data-start=\"2311\" data-end=\"2344\">\u25cf Secure Bolt-Fixed Structure<\/h3>\n<p data-start=\"2345\" data-end=\"2386\">Designed with <strong data-start=\"2359\" data-end=\"2385\">4 precision bolt holes<\/strong>:<\/p>\n<ul data-start=\"2387\" data-end=\"2507\">\n<li data-section-id=\"1footo6\" data-start=\"2387\" data-end=\"2428\">Symmetrical and accurately positioned<\/li>\n<li data-section-id=\"p3q1il\" data-start=\"2429\" data-end=\"2458\">Compatible with OEM bolts<\/li>\n<li data-section-id=\"1yiwv0u\" data-start=\"2459\" data-end=\"2507\">Strong resistance to vibration and loosening<\/li>\n<\/ul>\n<p data-start=\"2509\" data-end=\"2557\">It ensures stable and long-lasting installation.<\/p>\n<h3 data-section-id=\"1yf9its\" data-start=\"2564\" data-end=\"2607\">\u25cf Lightweight &amp; Easy Maintenance Design<\/h3>\n<p data-start=\"2608\" data-end=\"2637\">Optimized structure provides:<\/p>\n<ul data-start=\"2638\" data-end=\"2762\">\n<li data-section-id=\"1gw5rip\" data-start=\"2638\" data-end=\"2694\">Reduced overall weight without compromising strength<\/li>\n<li data-section-id=\"ifkd9b\" data-start=\"2695\" data-end=\"2728\">Easy installation and removal<\/li>\n<li data-section-id=\"vsk3lk\" data-start=\"2729\" data-end=\"2762\">Convenient maintenance access<\/li>\n<\/ul>\n<p data-start=\"2764\" data-end=\"2817\">It improves service efficiency during gearbox repair.<\/p>\n<h2 data-section-id=\"bz9vu\" data-start=\"2824\" data-end=\"2848\">Technical Features<\/h2>\n<ul data-start=\"2849\" data-end=\"3144\">\n<li data-section-id=\"1mvp2zt\" data-start=\"2849\" data-end=\"2899\">Material: Cold-rolled steel \/ low-carbon steel<\/li>\n<li data-section-id=\"19t1dqg\" data-start=\"2900\" data-end=\"2922\">Thickness: \u22652.5 mm<\/li>\n<li data-section-id=\"dxyij4\" data-start=\"2923\" data-end=\"2984\">Surface treatment: Blackening \/ electrophoresis anti-rust<\/li>\n<li data-section-id=\"meazss\" data-start=\"2985\" data-end=\"3024\">Structure: One-piece stamped design<\/li>\n<li data-section-id=\"1mskcz4\" data-start=\"3025\" data-end=\"3061\">Mounting: 4-bolt fixed structure<\/li>\n<li data-section-id=\"1970xu1\" data-start=\"3062\" data-end=\"3104\">High rigidity and vibration resistance<\/li>\n<li data-section-id=\"63pihv\" data-start=\"3105\" data-end=\"3144\">Precision sealing surface finishing<\/li>\n<\/ul>\n<h2 data-section-id=\"1d8kbrh\" data-start=\"3151\" data-end=\"3174\">Application Scope<\/h2>\n<ul data-start=\"3175\" data-end=\"3371\">\n<li data-section-id=\"xtmw1w\" data-start=\"3175\" data-end=\"3209\">Heavy-duty truck transmissions<\/li>\n<li data-section-id=\"12tucu8\" data-start=\"3210\" data-end=\"3245\">Gearbox housing sealing systems<\/li>\n<li data-section-id=\"16qazzb\" data-start=\"3246\" data-end=\"3285\">Inspection and maintenance openings<\/li>\n<li data-section-id=\"1fpsoo\" data-start=\"3286\" data-end=\"3326\">Commercial vehicle driveline systems<\/li>\n<li data-section-id=\"q5vdt0\" data-start=\"3327\" data-end=\"3371\">OEM assembly and aftermarket replacement<\/li>\n<\/ul>\n<h2 data-section-id=\"1d1qbpc\" data-start=\"3378\" data-end=\"3404\">Performance Benefits<\/h2>\n<ul data-start=\"3405\" data-end=\"3633\">\n<li data-section-id=\"1i2gbw4\" data-start=\"3405\" data-end=\"3447\">Prevents oil leakage and contamination<\/li>\n<li data-section-id=\"z5zpkf\" data-start=\"3448\" data-end=\"3489\">Enhances gearbox structural integrity<\/li>\n<li data-section-id=\"wn5x3u\" data-start=\"3490\" data-end=\"3540\">Improves durability under vibration conditions<\/li>\n<li data-section-id=\"1bi7srk\" data-start=\"3541\" data-end=\"3592\">Ensures clean internal transmission environment<\/li>\n<li data-section-id=\"mc8o9a\" data-start=\"3593\" data-end=\"3633\">Reduces maintenance and failure risk<\/li>\n<\/ul>\n<h2 data-section-id=\"r7kba3\" data-start=\"3640\" data-end=\"3662\">Supply &amp; Service<\/h2>\n<ul data-start=\"3663\" data-end=\"3812\">\n<li data-section-id=\"kxp44\" data-start=\"3663\" data-end=\"3696\">Ready stock for fast delivery<\/li>\n<li data-section-id=\"15gq54b\" data-start=\"3697\" data-end=\"3728\">OEM customization available<\/li>\n<li data-section-id=\"1ovecuh\" data-start=\"3729\" data-end=\"3768\">Stable quality for long-term supply<\/li>\n<li data-section-id=\"1v43j48\" data-start=\"3769\" data-end=\"3812\">Professional technical support provided<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The WG2229260012 cover plate is an original equipment manufacturer (OEM) cover plate for heavy-duty truck gearboxes. It&#8217;s used for sealing gearbox side covers, inspection ports, and process holes. It boasts advantages such as tight sealing, high strength, oil resistance, vibration resistance, and a perfect fit, making it a crucial component for preventing gearbox oil leaks and protecting against dust and impurities. Made from thickened steel plate through stamping, it offers excellent rigidity and toughness. It resists deformation and edge cracking under high-frequency vibration and heavy-load conditions, effectively resisting external impacts and maintaining a flat, sealed surface over long-term use. The cover plate&#8217;s smooth, clean surface, combined with gaskets or sealant, provides a tight seal, effectively preventing gearbox oil leakage and preventing external dust, mud, and impurities from entering the gearbox, protecting internal components such as gears and bearings. The surface undergoes blackening\/electroplated rust prevention treatment, making it resistant to gearbox oil corrosion, high temperatures, and rust. It maintains good appearance and structural strength even under long-term oil bath and high-temperature operation, resulting in a longer service life.<\/p>","protected":false},"featured_media":5904,"template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"WG2229260012 Transmission Cover Plate | Truck Gearbox Sealing Plate","_seopress_titles_desc":"WG2229260012 transmission cover plate is a heavy-duty truck gearbox sealing component. Made of thickened steel with anti-corrosion coating, it provides dust protection, oil sealing, and structural reinforcement for reliable gearbox performance.","_seopress_robots_index":"","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":"default","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":"","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-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":"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":""},"mobile":{"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":""}}},"product_brand":[],"product_cat":[134],"product_tag":[],"class_list":{"0":"post-5901","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-wg2229260012-cover-plate","7":"desktop-align-center","8":"tablet-align-left","9":"mobile-align-left","10":"ast-product-gallery-layout-horizontal-slider","11":"ast-product-tabs-layout-horizontal","13":"first","14":"instock","15":"shipping-taxable","16":"product-type-simple"},"_links":{"self":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product\/5901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/media\/5904"}],"wp:attachment":[{"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/media?parent=5901"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product_brand?post=5901"},{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product_cat?post=5901"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/ql-autoparts.com\/ru\/wp-json\/wp\/v2\/product_tag?post=5901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}