{"product_id":"9aa031-251x141mm-for-iveco-scr-asc","title":"9AA031 251x141mm For Iveco SCR\/ASC","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n    vertical-align: middle;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cat-faq-module\"\u003e\n\u003cdiv class=\"module-header\"\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Q1 – SCR是由什么组成？ --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e What does the SCR system consist of?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur SCR catalyst system consists of the following components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper-based zeolite SCR catalyst (Cu-SCR)\u003c\/strong\u003e – the primary catalyst that reduces NO\u003csub\u003ex\u003c\/sub\u003e emissions using ammonia from urea.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-inch Ammonia Slip Catalyst (ASC)\u003c\/strong\u003e – installed downstream of the main SCR to oxidise any excess NH₃ that passes through, helping reduce ammonia slip into the atmosphere.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAdvantages of this configuration:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNO\u003csub\u003ex\u003c\/sub\u003e reduction function:\u003c\/strong\u003e The Cu-SCR catalyst is designed to support NO\u003csub\u003ex\u003c\/sub\u003e reduction in diesel exhaust aftertreatment systems when matched with the correct vehicle system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmmonia slip control:\u003c\/strong\u003e The 2-inch ASC section helps treat remaining NH₃ after the SCR reaction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated design:\u003c\/strong\u003e Combining SCR and ASC in one catalyst assembly helps save installation space compared with using a separate ASC component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket replacement option:\u003c\/strong\u003e Suitable for repair and replacement use when the size, part number, and system configuration are confirmed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q2 – 铜基SCR的工作原理？ --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of copper-based SCR\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eCopper-based zeolite SCR operates through catalytic reduction reactions in the diesel exhaust system. The process can be summarised as follows:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eUrea injection:\u003c\/strong\u003e A urea-water solution, also known as AdBlue \/ DEF, is sprayed into the exhaust stream upstream of the SCR catalyst. Under exhaust heat, urea decomposes and forms ammonia for the SCR reaction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNO\u003csub\u003ex\u003c\/sub\u003e reduction over Cu-zeolite:\u003c\/strong\u003e The released NH₃ reacts with nitrogen oxides, mainly NO and NO₂, on the active copper sites within the zeolite catalyst structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic conversion:\u003c\/strong\u003e Under suitable operating conditions, NO\u003csub\u003ex\u003c\/sub\u003e is converted mainly into nitrogen and water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASC function:\u003c\/strong\u003e After the main SCR section, the downstream ASC helps treat remaining NH₃ and reduce ammonia slip.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe actual performance depends on the complete exhaust aftertreatment system, including urea dosing, exhaust temperature, sensors, ECU calibration, engine condition, and correct installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q3 – SCR是多少目数？ --\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is the cell density, CPSI, of the SCR?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur SCR catalyst features a cell density of \u003cstrong\u003e400 CPSI\u003c\/strong\u003e, cells per square inch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy 400 CPSI is commonly used:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced flow and surface area:\u003c\/strong\u003e 400 CPSI provides a relatively high geometric surface area while maintaining suitable exhaust flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon SCR specification:\u003c\/strong\u003e 400 CPSI is widely used in many diesel SCR catalyst applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom options:\u003c\/strong\u003e If you require a different cell density for a specific application, please contact our technical team for confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q4 – 产品对应的车型以及零件号 --\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e Vehicle application and part number\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 9AA031\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Vehicle:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIveco\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease verify compatibility with your vehicle's specific engine code, emission standard, and original part number before purchasing. If you are unsure, please contact our sales team with your VIN, part number, or product photos for confirmation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q5 – 质保一年 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e Warranty policy: 1 year\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur copper-based SCR catalysts are covered by a \u003cstrong\u003e1-year warranty\u003c\/strong\u003e from the date of purchase against manufacturing defects under normal use conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturing defects in the ceramic substrate, such as cracks, broken walls, or structural failures caused by production issues.\u003c\/li\u003e\n\u003cli\u003eCoating integrity issues, such as abnormal flaking or detachment caused by poor manufacturing quality.\u003c\/li\u003e\n\u003cli\u003eManufacturing defects in the ASC section that affect its normal function.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is NOT covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUrea quality issues:\u003c\/strong\u003e Damage caused by poor-quality urea \/ DEF \/ AdBlue or incorrect urea concentration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel contamination:\u003c\/strong\u003e Damage caused by unsuitable fuel, excessive sulfur, or other fuel-related contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine-related issues:\u003c\/strong\u003e Engine misfires, excessive oil consumption, faulty injectors, incorrect air-fuel ratio, overheating, or excessive soot loading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical damage:\u003c\/strong\u003e Cracks or breakage caused by improper handling, incorrect installation, impact, or transport damage after delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical poisoning:\u003c\/strong\u003e Catalyst deactivation caused by phosphorus, sulfur, alkali metals, heavy metals, or other contaminants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproper installation:\u003c\/strong\u003e Incorrect orientation, insufficient mounting support, exhaust leaks, or installation that does not match the vehicle system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormal wear and tear:\u003c\/strong\u003e Gradual efficiency reduction caused by ageing, ash accumulation, or long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty claim procedure:\u003c\/strong\u003e To make a warranty claim, please contact our support team with your order number, vehicle details, installation records, fault codes, and clear photos or videos of the issue. We will review each case individually and determine whether the issue qualifies for warranty coverage.\u003c\/p\u003e\n\u003cp\u003eWe recommend professional installation and regular maintenance to ensure the SCR operates within its designed working conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q6 – 如何联系我们？ --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, compatibility, or technical support.\u003c\/p\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003eWe typically respond within 24 hours, Monday to Saturday. Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"251x141mm \/ EURO5","offer_id":54468877386074,"sku":null,"price":161.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_6eb9188c-f468-4d0c-9f68-d849bbacc540.jpg?v=1784880663","url":"https:\/\/www.svipcat.com\/products\/9aa031-251x141mm-for-iveco-scr-asc","provider":"SVIPCAT Store","version":"1.0","type":"link"}