{"product_id":"harley-davidson-x440-genuine-fuel-injector-assembly-hdh16450acj000s","title":"Harley-Davidson X440 Genuine Fuel Injector Assembly – HDH16450ACJ000S | Fits X440, X440 OBDII \u0026 X440T","description":"\u003ch2\u003eHarley-Davidson X440 Genuine Fuel Injector Assembly – HDH16450ACJ000S | Fits X440, X440 OBDII \u0026amp; X440T\u003c\/h2\u003e\n\n\u003cp\u003eIf you need the \u003cstrong\u003egenuine fuel injector assembly\u003c\/strong\u003e for your \u003cstrong\u003eHarley-Davidson X440\u003c\/strong\u003e, this \u003cstrong\u003eHDH16450ACJ000S\u003c\/strong\u003e is the exact OEM part shown in your official parts catalogue as \u003cstrong\u003eINJECTOR ASSY FUEL\u003c\/strong\u003e. Your EPC screenshot confirms an MRP of \u003cstrong\u003e₹1,780\u003c\/strong\u003e and direct fitment for \u003cstrong\u003eX440 (Sept, 2023)\u003c\/strong\u003e, \u003cstrong\u003eX440 OBDII (May, 2025)\u003c\/strong\u003e, and \u003cstrong\u003eX440T (Jan, 2026)\u003c\/strong\u003e. Public seller pages also list the same part number and the same ₹1,780 price point, which supports both the code match and the market identity of this part.\u003c\/p\u003e\n\n\u003cp\u003eIn buyer language, this part is commonly searched as the \u003cstrong\u003eX440 fuel injector\u003c\/strong\u003e, \u003cstrong\u003einjector nozzle\u003c\/strong\u003e, \u003cstrong\u003eEFI injector\u003c\/strong\u003e, \u003cstrong\u003epetrol injector\u003c\/strong\u003e, or \u003cstrong\u003efuel injection injector unit\u003c\/strong\u003e. Buyers usually need this part when the original injector is clogged, leaking, electrically faulty, spray-pattern damaged, or causing hard starting, poor throttle response, misfiring, rough idling, bad mileage, or fueling inconsistency.\u003c\/p\u003e\n\n\u003cp\u003eThis page is written to rank for the exact part code \u003cstrong\u003eHDH16450ACJ000S\u003c\/strong\u003e and real buyer searches like \u003cstrong\u003eHarley X440 injector\u003c\/strong\u003e, \u003cstrong\u003eX440 fuel injector\u003c\/strong\u003e, and \u003cstrong\u003eX440 EFI injector\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Product Is\u003c\/h3\u003e\n\u003cp\u003eThis is the \u003cstrong\u003egenuine fuel injector assembly\u003c\/strong\u003e for the Harley-Davidson X440 engine platform. In practical buyer language, this is the EFI injector unit that meters and sprays fuel into the engine for proper combustion and throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eVerified Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eHarley-Davidson X440 (Sept, 2023)\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHarley-Davidson X440 OBDII (May, 2025)\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHarley-Davidson X440T (Jan, 2026)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Fitment Note\u003c\/h3\u003e\n\u003cp\u003eThis listing is kept conservative and tied only to the exact models visible in your official catalogue screenshot. Fuel-system parts are fitment-sensitive, so buy by exact part number, not by visual similarity.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buyers Need It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces a clogged, leaking, or weak original injector\u003c\/li\u003e\n  \u003cli\u003eHelps restore correct fuel delivery and spray pattern\u003c\/li\u003e\n  \u003cli\u003eUseful for hard starting, rough idle, hesitation, or inconsistent fueling complaints\u003c\/li\u003e\n  \u003cli\u003eRelevant during major fuel-system restoration or EFI troubleshooting\u003c\/li\u003e\n  \u003cli\u003eBetter choice than uncertain used or unverified aftermarket injectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine OEM part number:\u003c\/strong\u003e HDH16450ACJ000S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart identity in EPC:\u003c\/strong\u003e INJECTOR ASSY FUEL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfirmed fitment from EPC:\u003c\/strong\u003e X440, X440 OBDII, X440T\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePublic seller listing matches same code and price point\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eImportant EFI fuel-delivery component\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSupports proper fueling, combustion, and throttle response\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMRP shown in catalogue:\u003c\/strong\u003e ₹1,780\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBest bought only by exact part number match\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Purchase Reasons\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInjector clogging or poor spray pattern\u003c\/li\u003e\n  \u003cli\u003eHard starting or rough idling\u003c\/li\u003e\n  \u003cli\u003eThrottle hesitation or uneven acceleration\u003c\/li\u003e\n  \u003cli\u003eFuel leakage or injector failure\u003c\/li\u003e\n  \u003cli\u003eNeed to restore genuine EFI performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Genuine Matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInjector flow characteristics and connector compatibility must match the ECU calibration\u003c\/li\u003e\n  \u003cli\u003ePoor-quality injectors can cause fueling errors and drivability issues\u003c\/li\u003e\n  \u003cli\u003eOEM fit reduces the risk of incorrect spray pattern or electrical mismatch\u003c\/li\u003e\n  \u003cli\u003eBetter confidence than uncertain used or non-matching alternatives\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment \/ Return Prevention Note\u003c\/h3\u003e\n\u003cp\u003ePlease buy this only after matching the exact part number \u003cstrong\u003eHDH16450ACJ000S\u003c\/strong\u003e. Fuel injectors can look similar across motorcycles, but connector type, flow rate, body dimensions, and calibration suitability can differ. Do not order by shape alone.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e1 x Fuel Injector Assembly\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Workshop Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect O-rings, seals, injector rail seating, and related components before installation\u003c\/li\u003e\n  \u003cli\u003eConfirm fuel-system cleanliness before fitting a new injector\u003c\/li\u003e\n  \u003cli\u003eCheck for leaks after installation and first ignition cycle\u003c\/li\u003e\n  \u003cli\u003eEFI components should be handled carefully to avoid contamination\u003c\/li\u003e\n  \u003cli\u003eRecommended for careful workshop or professional installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomer-facing brand:\u003c\/strong\u003e Harley-Davidson X440 Genuine\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCatalogue \/ backend source:\u003c\/strong\u003e Hero-supported official parts catalogue\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HDH16450ACJ000S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Injector Assy Fuel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfirmed Models:\u003c\/strong\u003e X440, X440 OBDII, X440T\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMRP:\u003c\/strong\u003e ₹1,780\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuyer-Focused FAQs\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1. What is HDH16450ACJ000S?\u003c\/strong\u003e\u003cbr\u003e\nIt is the genuine \u003cstrong\u003efuel injector assembly\u003c\/strong\u003e for the Harley-Davidson X440 platform.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2. Which bikes does it fit?\u003c\/strong\u003e\u003cbr\u003e\nYour official catalogue screenshot confirms \u003cstrong\u003eX440\u003c\/strong\u003e, \u003cstrong\u003eX440 OBDII\u003c\/strong\u003e, and \u003cstrong\u003eX440T\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3. What symptoms can point to a bad injector?\u003c\/strong\u003e\u003cbr\u003e\nCommon signs include hard starting, rough idle, hesitation, inconsistent throttle response, poor fuel delivery, and sometimes leakage or misfiring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4. Can I buy by visual match only?\u003c\/strong\u003e\u003cbr\u003e\nNo. Match the exact part number. Injectors can look similar but still differ in connector design, flow characteristics, and fitment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5. Why buy genuine for this part?\u003c\/strong\u003e\u003cbr\u003e\nBecause injector accuracy matters. Correct flow and fitment are critical for EFI performance, drivability, and reliability.\u003c\/p\u003e\n\n\u003ch3\u003eSEO Tags\u003c\/h3\u003e\n\u003cp\u003eHDH16450ACJ000S, Harley X440 fuel injector, X440 injector assembly, Harley-Davidson X440 EFI injector, X440 petrol injector, genuine X440 injector, X440 OBDII injector, X440T fuel injector assembly\u003c\/p\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":51304970518823,"sku":"HDH16450ACJ000S","price":0.0,"currency_code":"INR","in_stock":true}],"url":"https:\/\/underthehood.co.in\/products\/harley-davidson-x440-genuine-fuel-injector-assembly-hdh16450acj000s","provider":"UNDER THE HOOD","version":"1.0","type":"link"}