Hero Genuine Front Brake Master Cylinder Major Repair Kit for Hunk, Xtreme, Glamour, Achiever, Ignitor, Impulse & Passion Disc Models | 45530KCC841S

Hero Genuine Front Brake Master Cylinder Major Repair Kit – 45530KCC841S

Restore the internal hydraulic operation of a compatible front disc-brake master cylinder with the Hero Genuine Cylinder Set Master, part number 45530KCC841S. 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.

The 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.

This is an internal service part for the compatible master-cylinder assembly. It is not a complete front brake master cylinder, 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.

What This Product Is

• Hero Genuine Cylinder Set Master
• Hero part number: 45530KCC841S
• Catalogue-format number: 45530-KCC-841
• Common buyer name: front brake master cylinder repair kit
• Common workshop name: master cylinder major kit / brake pump piston kit
• Application: internal repair of compatible front disc-brake master cylinders
• Supply form: one manufacturer-packed service kit

Key Features

• Genuine Hero service component for the specified front master-cylinder assemblies
• Designed for internal master-cylinder repair rather than replacement with a universal kit
• Helps restore hydraulic pressure when internal wear is correctly diagnosed
• Useful during front brake master-cylinder overhaul or preventive restoration
• Correct OEM part-number reference for supported Hero disc-brake variants
• Suitable for older commuter models as well as selected newer Hunk, Xtreme, Glamour and Ignitor applications
• Compact manufacturer-packed service component with a listed net weight of 24 g
• Country of origin: India
• Current Hero MRP reference: ₹285 inclusive of taxes
• Reduces the risk of incorrect universal-kit selection when matched by exact part number

Confirmed Compatibility

This part is confirmed in the front brake master-cylinder assembly for the following model references. Fitment applies only to the relevant front disc-brake/master-cylinder configuration:

• Hero Passion Plus Disc (Sep, 2003)
• Hero Achiever Disc variant (Apr, 2010)
• Hero Impulse (Oct, 2011)
• Hero Hunk (Aug, 2012)
• Hero Passion Pro TR (Jul, 2014)
• Hero Achiever (Nov, 2014)
• Hero Passion Pro i3S Disc/Self (Sep, 2016)
• Hero Achiever 150 (Sep, 2016)
• Hero Xtreme Sports (Jan, 2017)
• Hero Hunk (Feb, 2017)
• Hero Passion Pro Disc/Self (Feb, 2017)
• Hero Glamour FI (Mar, 2017)
• Hero Ignitor 125 (May, 2017)
• Hero Xtreme FI 160R BSVI (Mar, 2020)
• Hero Hunk 160R FI BSVI (Apr, 2020)
• Hero Ignitor 125 i3S Euro III (Jul, 2020)
• Hero Hunk Stealth 160R FI BSVI (Oct, 2021)
• Hero Ignitor MidLife Refresh (Oct, 2022)
• Hero Glamour 125CC FV BSVI (Aug, 2023)
• Hero Xtreme 160 4V Premium (Aug, 2023)
• Hero Hunk 150 Refresh LATAM (Aug, 2023)
• Hero Glamour Techno (Jan, 2024)
• Hero Hunk 160R (Jan, 2024)
• Hero Xtreme 125 (Feb, 2024)
• Hero Glamour Revamp OBD-II (Sep, 2024)
• Hero Ignitor Euro-III Refresh (Nov, 2024)
• Hero Glamour Magnetic OBD II (Apr, 2025)
• Hero Xtreme 160R (Jun, 2025)
• Hero Ignitor EU-3 with CBS (Jan, 2026)

Fitment Note / Return Prevention Note

Do 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.

Before ordering, match all of the following:

• Complete part number 45530KCC841S or 45530-KCC-841
• Exact motorcycle model and generation
• Front disc-brake configuration
• Existing master-cylinder design and piston-kit requirement
• Parts-catalogue or chassis/VIN-based requirement

This 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.

What You Will Receive

• 1 × Hero Genuine Cylinder Set Master / front master-cylinder internal repair kit
• Part number: 45530KCC841S
• Manufacturer-packed set supplied under this single SKU

Not included: 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.

Technical Details

Installation Note

Installation 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.

Use 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.

Buyer-Focused FAQs

1. What is Hero part number 45530KCC841S?
It is the Hero Genuine Cylinder Set Master used as an internal repair kit for compatible front brake master-cylinder assemblies.

2. Is this a complete front brake master cylinder?
No. It is an internal service kit and does not include the complete master-cylinder body, reservoir, lever, hose or brake-light switch.

3. Is this also called a master cylinder major kit?
Yes. Mechanics commonly call it a front brake master cylinder major kit, brake pump piston kit or master-cylinder repair kit.

4. Will it fit every Hunk, Xtreme, Glamour or Passion?
No. 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.

5. Can it be used for ABS models?
Selected 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.

6. Will this fix a soft or sinking front brake lever?
It 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.

7. Does it include brake fluid?
No. Brake fluid is not included and must match the motorcycle manufacturer's specified grade.

8. Does it include the outer rubber boot, circlip and every master-cylinder component?
The 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.

9. Is professional installation necessary?
Yes. Front-brake hydraulic repairs are safety-critical and require correct cleaning, assembly, bleeding and testing.

10. How should I confirm fitment?
Match the complete part number, exact model and production reference, front disc-brake configuration and the vehicle's chassis/VIN-based parts catalogue.