{"product_id":"id-hq-series-armature-g18se3-7-angle-grinder-spare-part-30371","title":"ID HQ SERIES ARMATURE [G18SE3] [7\"] ANGLE GRINDER SPARE PART - 30371","description":"\u003ch2\u003eRestore Full Power — OEM-Grade Armature Built for the G18SE3 7\" Angle Grinder\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eID HQ Series Armature [G18SE3]\u003c\/strong\u003e is a precision-engineered \u003cstrong\u003ereplacement armature\u003c\/strong\u003e designed specifically for the 7\" angle grinder, delivering reliable \u003cstrong\u003eelectro-mechanical energy conversion\u003c\/strong\u003e to restore full tool performance. Built with a high-grade \u003cstrong\u003emagnetic core\u003c\/strong\u003e, precision \u003cstrong\u003ecopper winding\u003c\/strong\u003e, and a durable \u003cstrong\u003ecommutator assembly\u003c\/strong\u003e, this \u003cstrong\u003egenuine spare part\u003c\/strong\u003e (Part No. 30371) ensures your grinder operates at peak efficiency with minimal downtime.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 20px 10px 0; background-color: #000000; color: #ffffff;\"\u003e\u003cstrong\u003e     Key Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 0; background-color: #000000; color: #ffffff;\"\u003e\u003cstrong\u003e     Perfect For\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 20px 10px 0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003ePrecision-wound copper coil for optimal \u003cstrong\u003eelectrical conductivity\u003c\/strong\u003e and minimal heat build-up\u003c\/li\u003e\n\u003cli\u003eHigh-density \u003cstrong\u003emagnetic core laminations\u003c\/strong\u003e reduce eddy current losses for improved efficiency\u003c\/li\u003e\n\u003cli\u003eMachined \u003cstrong\u003ecommutator segments\u003c\/strong\u003e ensure smooth, consistent brush contact and spark-free operation\u003c\/li\u003e\n\u003cli\u003eExact-fit design for the \u003cstrong\u003eID G18SE3 7\" angle grinder\u003c\/strong\u003e — no modifications required\u003c\/li\u003e\n\u003cli\u003eManufactured to \u003cstrong\u003eOEM specifications\u003c\/strong\u003e for direct drop-in replacement reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px 0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eRestoring a \u003cstrong\u003eburnt-out or failed armature\u003c\/strong\u003e in the G18SE3 angle grinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreventive maintenance\u003c\/strong\u003e servicing to extend overall tool lifespan\u003c\/li\u003e\n\u003cli\u003eWorkshop and industrial repair technicians maintaining \u003cstrong\u003eprofessional-grade power tools\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eContractors and tradespeople needing a fast, cost-effective \u003cstrong\u003efield repair solution\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Copper Winding for Maximum Power Output:\u003c\/strong\u003e The armature features tightly wound, high-conductivity copper coils that efficiently convert electrical energy into rotational mechanical force. The winding geometry is engineered to minimise resistance and heat generation, ensuring the grinder sustains its rated RPM under heavy load without premature thermal failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaminated Magnetic Core for Reduced Energy Loss:\u003c\/strong\u003e The core is constructed from stacked silicon steel laminations, a design that significantly reduces eddy current losses common in solid-core alternatives. This results in a cooler-running, more energy-efficient armature that translates directly into longer motor life and consistent cutting or grinding performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Machined Commutator for Reliable Brush Contact:\u003c\/strong\u003e The multi-segment copper commutator is machined to tight tolerances, guaranteeing uniform surface contact with the carbon brushes at all times. This eliminates erratic sparking, reduces brush wear, and maintains a stable electrical connection — critical for consistent tool speed and control during demanding grinding applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM-Compatible Fit for the G18SE3 Platform (Part No. 30371):\u003c\/strong\u003e Every dimension — shaft diameter, core length, and commutator geometry — is matched precisely to the original G18SE3 motor housing and bearing seats. This ensures a zero-adjustment, drop-in installation that restores the grinder to factory performance specifications without the need for machining or adapter components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction for High-Demand Industrial Use:\u003c\/strong\u003e The armature assembly is built to withstand the continuous vibration, elevated temperatures, and mechanical stress inherent to heavy-duty 7\" angle grinding tasks including metal cutting, weld dressing, surface preparation, and stone grinding. The materials and manufacturing process are selected to deliver service life comparable to the original equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective Repair Over Full Motor or Tool Replacement:\u003c\/strong\u003e By replacing only the failed armature rather than the entire motor assembly or tool, users can restore the G18SE3 to full working condition at a fraction of the cost. This makes the ID HQ Series Armature an economically sound choice for professional repair workshops, rental fleets, and high-volume construction sites where tool uptime is critical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis armature spare part (Part No. 30371) is supplied as a complete armature assembly ready for installation into the ID G18SE3 7\" angle grinder. The package includes the armature unit with its pre-assembled commutator and wound core, allowing technicians to proceed directly with the repair without sourcing additional sub-components.\u003c\/p\u003e\n\u003c!-- CSS Styles for the FAQ Section --\u003e\n\u003cstyle\u003e\n.faq-section-styled {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n  margin-top: 40px;\n}\n.faq-section-styled h2 {\n  font-size: 2em;\n  font-weight: 700;\n  color: #1C2228;\n  border-bottom: 2px solid #F4F4F4;\n  padding-bottom: 15px;\n  margin-bottom: 30px;\n}\n.faq-section-styled details {\n  background-color: #f9f9f9;\n  border: 1px solid #e9e9e9;\n  border-radius: 8px;\n  margin-bottom: 15px;\n  overflow: hidden;\n}\n.faq-section-styled summary {\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  padding: 20px;\n  font-weight: 600;\n  font-size: 1.1em;\n  color: #1C2228;\n  cursor: pointer;\n  list-style: none;\n}\n.faq-section-styled summary::-webkit-details-marker {\n  display: none;\n}\n.faq-section-styled .question-title {\n  display: flex;\n  align-items: center;\n}\n.faq-section-styled .question-title::before {\n  content: '\\25B6';\n  margin-right: 15px;\n  font-size: 0.8em;\n  color: #1C2228;\n}\n.faq-section-styled summary::after {\n  content: '+';\n  font-size: 1.8em;\n  font-weight: 300;\n  color: #1C2228;\n  transition: transform 0.2s ease-in-out;\n}\n.faq-section-styled details[open] summary::after {\n  transform: rotate(45deg);\n}\n.faq-section-styled .faq-answer-content {\n  background-color: #FFFFFF;\n  padding: 20px 20px 20px 55px;\n  border-top: 1px solid #e9e9e9;\n}\n.faq-section-styled .faq-answer-content p {\n  margin: 0;\n  font-size: 1em;\n  line-height: 1.7;\n  color: #2E2E2E;\n  text-align: left;\n}\n.faq-section-styled .faq-answer-content p strong {\n    color: #1C2228;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"faq-section-styled\"\u003e\n\u003ch2\u003eGeneral Purchase \u0026amp; Comparison Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eIs this armature compatible with my ID G18SE3 7\" angle grinder?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eYes. This armature (Part No. \u003cstrong\u003e30371\u003c\/strong\u003e) is engineered exclusively for the \u003cstrong\u003eID HQ Series G18SE3 7\" angle grinder\u003c\/strong\u003e. Every critical dimension — including the shaft diameter, core length, and commutator geometry — is matched to the original motor housing. If you own a G18SE3 model, this is a \u003cstrong\u003edirect drop-in replacement\u003c\/strong\u003e requiring no modifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eIs it better to replace the armature or buy a new angle grinder?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eIn most cases, \u003cstrong\u003ereplacing the armature is significantly more cost-effective\u003c\/strong\u003e than purchasing a new tool, particularly for a professional-grade grinder like the G18SE3. The armature is the primary wear component in the motor; if the tool housing, gear assembly, and guards are intact, a new armature restores the grinder to \u003cstrong\u003efull OEM performance\u003c\/strong\u003e at a fraction of the replacement cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eHow does the ID HQ Series armature compare to generic aftermarket alternatives?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eGeneric aftermarket armatures are often manufactured to looser tolerances and may use lower-grade copper winding and core laminations. The \u003cstrong\u003eID HQ Series armature\u003c\/strong\u003e is built to \u003cstrong\u003eOEM specifications\u003c\/strong\u003e, meaning the winding resistance, core dimensions, and commutator finish are matched to the original design. This translates to a more reliable repair, longer service life, and consistent tool performance compared to generic substitutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003ch2\u003eProduct-Specific and Usage Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat does the armature do inside the angle grinder motor?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe \u003cstrong\u003earmature\u003c\/strong\u003e is the rotating component at the heart of the angle grinder's electric motor. It consists of a \u003cstrong\u003elaminated magnetic core\u003c\/strong\u003e wound with copper coils and fitted with a \u003cstrong\u003ecommutator\u003c\/strong\u003e. When electrical current flows through the windings via the carbon brushes and commutator, it interacts with the stator's magnetic field to generate \u003cstrong\u003erotational torque\u003c\/strong\u003e, which drives the grinder's spindle and disc.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eCan I install this armature myself, or do I need a technician?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe armature replacement is a \u003cstrong\u003edirect drop-in installation\u003c\/strong\u003e for the G18SE3 motor housing. Experienced users comfortable with power tool disassembly can perform the swap using standard tools. However, if you are unfamiliar with motor assembly procedures, it is recommended to have the installation carried out by a \u003cstrong\u003equalified power tool repair technician\u003c\/strong\u003e to ensure correct seating of bearings, brush alignment, and reassembly of the gear housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat are the signs that my G18SE3 armature needs replacing?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eCommon indicators of a \u003cstrong\u003efailed or failing armature\u003c\/strong\u003e include: excessive sparking inside the tool body, a burning smell during operation, significant loss of power or erratic speed, the motor failing to start despite power being present, or visible burn marks on the commutator or windings. If you observe any of these symptoms, \u003cstrong\u003estop using the tool immediately\u003c\/strong\u003e and inspect the armature before further operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003ch2\u003eProblem\/Solution-Oriented Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy G18SE3 grinder has lost power but the brushes look fine — could it be the armature?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eYes. If the \u003cstrong\u003ecarbon brushes are within acceptable wear limits\u003c\/strong\u003e and the tool still exhibits reduced power, intermittent operation, or overheating, the most likely culprit is a \u003cstrong\u003eshorted or open-circuit armature winding\u003c\/strong\u003e. A winding fault causes the motor to draw excessive current without producing proportional torque, leading to heat build-up and power loss. Replacing the armature with Part No. \u003cstrong\u003e30371\u003c\/strong\u003e should resolve the issue.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eThe grinder sparks heavily inside — is this an armature or brush problem?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eHeavy, uneven sparking can result from either worn \u003cstrong\u003ecarbon brushes\u003c\/strong\u003e or a damaged \u003cstrong\u003ecommutator surface\u003c\/strong\u003e on the armature. First, inspect and replace the brushes if worn. If sparking continues with new brushes, the commutator segments on the armature are likely \u003cstrong\u003epitted, unevenly worn, or have a shorted winding\u003c\/strong\u003e — all conditions that require armature replacement. The ID HQ Series armature (Part No. 30371) features a freshly machined commutator to restore clean brush contact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWill a new armature fix my grinder if it stops mid-use and won't restart?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eIf the grinder stops suddenly during use and will not restart — but the power supply, switch, and brushes test correctly — there is a strong likelihood of a \u003cstrong\u003ethermally failed or open-circuit armature winding\u003c\/strong\u003e. Excessive heat from a failing armature can cause winding insulation to break down, creating an open circuit. Replacing the armature with the \u003cstrong\u003eID HQ Series Part No. 30371\u003c\/strong\u003e and ensuring adequate ventilation during operation should restore normal function.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Ideal Power Tools","offers":[{"title":"Default Title","offer_id":49792102727895,"sku":"30371","price":42.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/1962\/5687\/files\/IDHQSERIESARMATURE_G18SE3_7INCH_ANGLEGRINDERSPAREPART-30371.jpg?v=1789480405","url":"https:\/\/www.idealpowertools.com\/products\/id-hq-series-armature-g18se3-7-angle-grinder-spare-part-30371","provider":"Ideal Power Tools","version":"1.0","type":"link"}