{"product_id":"hero-front-brake-master-cylinder-repair-kit-45530kcc841s","title":"Hero Genuine Front Brake Master Cylinder Major Repair Kit for Hunk, Xtreme, Glamour, Achiever, Ignitor, Impulse \u0026 Passion Disc Models | 45530KCC841S","description":"\u003ch2\u003eHero Genuine Front Brake Master Cylinder Major Repair Kit – 45530KCC841S\u003c\/h2\u003e\n\u003cp\u003eRestore the internal hydraulic operation of a compatible front disc-brake master cylinder with the Hero Genuine \u003cstrong\u003eCylinder Set Master\u003c\/strong\u003e, part number \u003cstrong\u003e45530KCC841S\u003c\/strong\u003e. This component is commonly requested as a front brake master cylinder repair kit, master cylinder major kit, brake pump piston kit or master cylinder internal overhaul kit.\u003c\/p\u003e\n\u003cp\u003eThe kit is used when a trained technician confirms wear or damage inside the front master cylinder. Depending on the actual fault, a worn internal cylinder set can contribute to poor hydraulic pressure, a brake lever that does not build pressure correctly, fluid bypass inside the master cylinder, sticking internal movement or leakage around the operating end.\u003c\/p\u003e\n\u003cp\u003eThis is an internal service part for the compatible master-cylinder assembly. It is \u003cstrong\u003enot a complete front brake master cylinder\u003c\/strong\u003e, brake lever, reservoir body, brake hose, caliper or ABS unit. Correct diagnosis and professional installation are essential because the front brake is a safety-critical system.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Product Is\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHero Genuine Cylinder Set Master\u003c\/li\u003e\n\u003cli\u003eHero part number: \u003cstrong\u003e45530KCC841S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCatalogue-format number: \u003cstrong\u003e45530-KCC-841\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCommon buyer name: front brake master cylinder repair kit\u003c\/li\u003e\n\u003cli\u003eCommon workshop name: master cylinder major kit \/ brake pump piston kit\u003c\/li\u003e\n\u003cli\u003eApplication: internal repair of compatible front disc-brake master cylinders\u003c\/li\u003e\n\u003cli\u003eSupply form: one manufacturer-packed service kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Hero service component for the specified front master-cylinder assemblies\u003c\/li\u003e\n\u003cli\u003eDesigned for internal master-cylinder repair rather than replacement with a universal kit\u003c\/li\u003e\n\u003cli\u003eHelps restore hydraulic pressure when internal wear is correctly diagnosed\u003c\/li\u003e\n\u003cli\u003eUseful during front brake master-cylinder overhaul or preventive restoration\u003c\/li\u003e\n\u003cli\u003eCorrect OEM part-number reference for supported Hero disc-brake variants\u003c\/li\u003e\n\u003cli\u003eSuitable for older commuter models as well as selected newer Hunk, Xtreme, Glamour and Ignitor applications\u003c\/li\u003e\n\u003cli\u003eCompact manufacturer-packed service component with a listed net weight of 24 g\u003c\/li\u003e\n\u003cli\u003eCountry of origin: India\u003c\/li\u003e\n\u003cli\u003eCurrent Hero MRP reference: ₹285 inclusive of taxes\u003c\/li\u003e\n\u003cli\u003eReduces the risk of incorrect universal-kit selection when matched by exact part number\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConfirmed Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis part is confirmed in the front brake master-cylinder assembly for the following model references. Fitment applies only to the relevant \u003cstrong\u003efront disc-brake\/master-cylinder configuration\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHero Passion Plus Disc (Sep, 2003)\u003c\/li\u003e\n\u003cli\u003eHero Achiever Disc variant (Apr, 2010)\u003c\/li\u003e\n\u003cli\u003eHero Impulse (Oct, 2011)\u003c\/li\u003e\n\u003cli\u003eHero Hunk (Aug, 2012)\u003c\/li\u003e\n\u003cli\u003eHero Passion Pro TR (Jul, 2014)\u003c\/li\u003e\n\u003cli\u003eHero Achiever (Nov, 2014)\u003c\/li\u003e\n\u003cli\u003eHero Passion Pro i3S Disc\/Self (Sep, 2016)\u003c\/li\u003e\n\u003cli\u003eHero Achiever 150 (Sep, 2016)\u003c\/li\u003e\n\u003cli\u003eHero Xtreme Sports (Jan, 2017)\u003c\/li\u003e\n\u003cli\u003eHero Hunk (Feb, 2017)\u003c\/li\u003e\n\u003cli\u003eHero Passion Pro Disc\/Self (Feb, 2017)\u003c\/li\u003e\n\u003cli\u003eHero Glamour FI (Mar, 2017)\u003c\/li\u003e\n\u003cli\u003eHero Ignitor 125 (May, 2017)\u003c\/li\u003e\n\u003cli\u003eHero Xtreme FI 160R BSVI (Mar, 2020)\u003c\/li\u003e\n\u003cli\u003eHero Hunk 160R FI BSVI (Apr, 2020)\u003c\/li\u003e\n\u003cli\u003eHero Ignitor 125 i3S Euro III (Jul, 2020)\u003c\/li\u003e\n\u003cli\u003eHero Hunk Stealth 160R FI BSVI (Oct, 2021)\u003c\/li\u003e\n\u003cli\u003eHero Ignitor MidLife Refresh (Oct, 2022)\u003c\/li\u003e\n\u003cli\u003eHero Glamour 125CC FV BSVI (Aug, 2023)\u003c\/li\u003e\n\u003cli\u003eHero Xtreme 160 4V Premium (Aug, 2023)\u003c\/li\u003e\n\u003cli\u003eHero Hunk 150 Refresh LATAM (Aug, 2023)\u003c\/li\u003e\n\u003cli\u003eHero Glamour Techno (Jan, 2024)\u003c\/li\u003e\n\u003cli\u003eHero Hunk 160R (Jan, 2024)\u003c\/li\u003e\n\u003cli\u003eHero Xtreme 125 (Feb, 2024)\u003c\/li\u003e\n\u003cli\u003eHero Glamour Revamp OBD-II (Sep, 2024)\u003c\/li\u003e\n\u003cli\u003eHero Ignitor Euro-III Refresh (Nov, 2024)\u003c\/li\u003e\n\u003cli\u003eHero Glamour Magnetic OBD II (Apr, 2025)\u003c\/li\u003e\n\u003cli\u003eHero Xtreme 160R (Jun, 2025)\u003c\/li\u003e\n\u003cli\u003eHero Ignitor EU-3 with CBS (Jan, 2026)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment Note \/ Return Prevention Note\u003c\/h3\u003e\n\u003cp\u003eDo not order this part only because the motorcycle name appears in the compatibility list. Several Hero model families were sold in drum-brake, disc-brake, carburettor, fuel-injected, ABS, CBS, export and generation-specific configurations.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, match all of the following:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete part number \u003cstrong\u003e45530KCC841S\u003c\/strong\u003e or \u003cstrong\u003e45530-KCC-841\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eExact motorcycle model and generation\u003c\/li\u003e\n\u003cli\u003eFront disc-brake configuration\u003c\/li\u003e\n\u003cli\u003eExisting master-cylinder design and piston-kit requirement\u003c\/li\u003e\n\u003cli\u003eParts-catalogue or chassis\/VIN-based requirement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis repair kit will not correct every front-brake fault. A damaged master-cylinder bore, cracked reservoir body, blocked compensation port, defective hose, seized caliper, contaminated brake fluid, worn pads, warped disc, ABS fault or air in the system may require separate repair or replacement.\u003c\/p\u003e\n\n\u003ch3\u003eWhat You Will Receive\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Hero Genuine Cylinder Set Master \/ front master-cylinder internal repair kit\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e45530KCC841S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer-packed set supplied under this single SKU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e complete master-cylinder body, reservoir, cap, diaphragm, brake lever, lever bolt, brake-light switch, holder clamp, brake hose, banjo bolt, brake fluid, caliper, brake pads, disc or ABS components unless explicitly stated separately.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHero Genuine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHero MotoCorp Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45530KCC841S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCatalogue Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45530-KCC-841\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOfficial Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylinder Set Master\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaster Cylinder (Front Brake) Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Buyer Terms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront brake master cylinder repair kit, major kit, brake pump piston kit, master cylinder overhaul kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront brake master cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrake Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHydraulic front disc-brake application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 unit \/ manufacturer-packed kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListed Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eListed Package Dimension\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 × 15 × 10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMRP Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e₹285 inclusive of taxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGoogle Shopping MPN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45530KCC841S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Note\u003c\/h3\u003e\n\u003cp\u003eInstallation should be performed only by a trained motorcycle technician. The master cylinder must be dismantled in a clean environment, and the bore, compensation port, reservoir, seals, brake hose, caliper and fluid condition must be inspected before reassembly.\u003c\/p\u003e\n\u003cp\u003eUse only the brake-fluid specification prescribed for the motorcycle. After fitting, bleed the hydraulic system completely, check for leakage, confirm a firm lever, verify correct brake release and carry out a controlled safety test before normal road use. Never ride the motorcycle if the brake lever remains soft, sinks under pressure or does not return correctly.\u003c\/p\u003e\n\n\u003ch3\u003eBuyer-Focused FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1. What is Hero part number 45530KCC841S?\u003c\/strong\u003e\u003cbr\u003eIt is the Hero Genuine Cylinder Set Master used as an internal repair kit for compatible front brake master-cylinder assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is this a complete front brake master cylinder?\u003c\/strong\u003e\u003cbr\u003eNo. It is an internal service kit and does not include the complete master-cylinder body, reservoir, lever, hose or brake-light switch.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Is this also called a master cylinder major kit?\u003c\/strong\u003e\u003cbr\u003eYes. Mechanics commonly call it a front brake master cylinder major kit, brake pump piston kit or master-cylinder repair kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Will it fit every Hunk, Xtreme, Glamour or Passion?\u003c\/strong\u003e\u003cbr\u003eNo. It fits only the exact front disc-brake\/master-cylinder configurations using part number 45530KCC841S. Drum-brake and different master-cylinder variants are not automatically compatible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Can it be used for ABS models?\u003c\/strong\u003e\u003cbr\u003eSelected ABS-equipped Xtreme and Hunk variants use this internal master-cylinder set, but the ABS unit itself is separate. Confirm the exact model and part number before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Will this fix a soft or sinking front brake lever?\u003c\/strong\u003e\u003cbr\u003eIt may help when the problem is caused by confirmed internal master-cylinder wear or fluid bypass. Air, leakage, hose expansion, caliper faults, contaminated fluid or ABS faults must be diagnosed separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Does it include brake fluid?\u003c\/strong\u003e\u003cbr\u003eNo. Brake fluid is not included and must match the motorcycle manufacturer's specified grade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Does it include the outer rubber boot, circlip and every master-cylinder component?\u003c\/strong\u003e\u003cbr\u003eThe product is supplied as the manufacturer-packed set under SKU 45530KCC841S. Do not assume that unrelated external master-cylinder parts, body components or hardware are included unless shown on the sealed pack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. Is professional installation necessary?\u003c\/strong\u003e\u003cbr\u003eYes. Front-brake hydraulic repairs are safety-critical and require correct cleaning, assembly, bleeding and testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. How should I confirm fitment?\u003c\/strong\u003e\u003cbr\u003eMatch the complete part number, exact model and production reference, front disc-brake configuration and the vehicle's chassis\/VIN-based parts catalogue.\u003c\/p\u003e","brand":"Hero MotoCorp","offers":[{"title":"Default Title","offer_id":51777041891623,"sku":"45530KCC841S","price":305.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/Hero_Genuine_Front_Brake_Master_Cylinder_Major_Repair_Kit_for_Hunk_Xtreme_Glamour_Achiever_Ignitor_Impulse_Passion_Disc_Models_45530KCC841S.jpg?v=1785751055","url":"https:\/\/underthehood.co.in\/products\/hero-front-brake-master-cylinder-repair-kit-45530kcc841s","provider":"UNDER THE HOOD","version":"1.0","type":"link"}