Motorcycle Brake Master Cylinders – Vintage OEM & Aftermarket Replacement

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Shop motorcycle brake master cylinders and master cylinder rebuild kits for vintage restorations and hydraulic brake system repairs. This collection includes OEM and aftermarket front brake master cylinders, rebuild kits, reservoirs, and model-specific hydraulic components designed for classic Honda, Yamaha, Suzuki, and Kawasaki motorcycles.

Yamaha XS1100 Rear MC Rebuild Kit — Yamaha 78-81 XS1100 Rear MC Rebuild Kit
$29.95

Honda CB750 Front Master Cylinder Rebuild Kit — Honda 69-76 CB750 Front Master Cylinder Rebuild Kit
$34.95

Honda CB900C / CB900F Front Master Cylinder Rebuild Kit OEM 45530-MA5-671 — 82 CB900C / 81-82 CB900F Front Master Cylinder Rebuild Kit ~ Honda OEM 45530-MA5-671
$27.95

Honda GL1000 / CX500 Front Friction Pads OEM 43105-461-771 — Honda 75-77 GL1000 / 79-80 CX500 Front Friction Pads ~ Honda OEM 43105-461-771
$27.95

Suzuki GS750 GS850 Rear MC Rebuild Kit — Suzuki 77-83 GS750 80-83 GS850 Rear MC Rebuild Kit
$39.95

Universal motorcycle 13mm Piston Universal Rear Brake Master Cylinder Assembly — 13mm Piston ~ Universal Rear Brake Master Cylinder Assembly
$74.95

Honda CB750 CB550 CB400 Front Master Cylinder Rebuild Kit OEM 45530-404-315 — 77-78 CB750 CB550 CB400 Front Master Cylinder Rebuild Kit ~ Honda OEM 45530-404-315
$54.95

Suzuki GS1000 GS1100 Rear MC Rebuild Kit — Suzuki 78-80 GS1000 80-83 GS1100 Rear MC Rebuild Kit
$39.95

Honda CB750K / F / CX500 / CBX1000 MC Reservoir Kit — 79-80 CB750K / F / CX500 / CBX1000 MC Reservoir Kit
$74.95

Honda VF750S / VF1100S Clutch Slave Cylinder Kit OEM 91209-MBO-003 — Honda 82-83 VF750S / 84-85 VF1100S Clutch Slave Cylinder Kit ~ Honda OEM 91209-MBO-003
$27.95

Honda & VF750C/S Clutch Master Cylinder Rebuild Kit — 82-83 & 88 VF750C/S Clutch Master Cylinder Rebuild Kit
$34.95

Yamaha XS1100E/F/G/H/S FR MC Rebuild Kit — Yamaha 78-81 XS1100E/F/G/H/S FR MC Rebuild Kit
$37.95

Honda VF750C / S / CX500D Rear Friction Shoe Set OEM 43120-415-000 — 82-83 VF750C / S / 79-81 CX500D Rear Friction Shoe Set ~ Honda OEM 43120-415-000
$37.95

Honda VF750C / S / VF750F Front Master Cylinder Rebuild Kit — 82-83 VF750C / S / 83-84 VF750F Front Master Cylinder Rebuild Kit
$27.95

Honda CB550K / CB750 Front Stop Line 'A' OEM 45125-300-003 — Honda 74-75 CB550K / 69-75 CB750 Front Stop Line 'A' ~ Honda OEM 45125-300-003
$44.95

Honda CB750F / CB750K Front Stop Line 'B' OEM 45126-341-003 — Honda 75-76 CB750F / 72-76 CB750K Front Stop Line 'B' ~ Honda OEM 45126-341-003
$59.95

Honda VF750/1100 Clutch MC Pushrod Kit OEM 22884-MBO-006 — Honda VF750/1100 Clutch MC Pushrod Kit ~ Honda OEM 22884-MBO-006
$14.95

Yamaha XV535 / XJ650 FR MC Rebuild Kit — Yamaha 87-00 XV535 / 80-83 XJ650 FR MC Rebuild Kit
$31.95

Kawasaki KZ550 KZ650 FR MC Rebuild Kit — Kawasaki 81 KZ550 78-79 KZ650 FR MC Rebuild Kit
$39.95

Suzuki GS550 / GS650 Rear MC Rebuild Kit — Suzuki 79-82 GS550 / 81-82 GS650 Rear MC Rebuild Kit
$39.95

Honda CX500 / CBX1000 / GL1100 MC Reservoir Kit — 81-82 CX500 / 81-82 CBX1000 / 82-83 GL1100 MC Reservoir Kit
$49.95

Honda CX500C / CB750F Front Master Cylinder Rebuild Kit — 80 CX500C / 79-80 CB750F Front Master Cylinder Rebuild Kit
$38.95

Honda CB650 / CB750K / C / L Front Master Cylinder Rebuild Kit — 79-80 CB650 / CB750K / C / L Front Master Cylinder Rebuild Kit
$57.95

Honda GL1000K / L LTD Front Master Cylinder Rebuild Kit — 75-77 GL1000K / L LTD Front Master Cylinder Rebuild Kit
$59.95

The brake master cylinder is the control center of the hydraulic braking system, converting lever input into brake fluid pressure that activates the calipers. A worn piston bore, deteriorated internal seals, contaminated brake fluid, or corrosion can cause soft lever feel, inconsistent braking pressure, fluid leakage, or complete brake failure. Replacing or rebuilding a faulty motorcycle master cylinder restores proper hydraulic pressure transfer, improves brake response, and ensures dependable stopping performance.

Our inventory includes model-specific front brake master cylinders, rebuild kits with seals and pistons, reservoir components, and precision-sized bore replacements engineered for accurate fitment and long-term reliability across stock and restored vintage motorcycles. For custom builds, handlebar conversions, or adaptable applications, explore our Universal Brake Master Cylinders collection for flexible mounting and bore size options.

For complete hydraulic system service, browse our Motorcycle Brake Calipers & Pistons collection to ensure proper clamping force at the rotor. It is also recommended to inspect and replace worn friction materials during brake service — see our Brake Pads & Brake Shoes collection to maintain consistent braking performance and proper rotor or drum contact.

Whether you're restoring a factory-correct braking system or upgrading hydraulic components, our brake master cylinder parts are selected for durability, correct bore sizing, and dependable long-term performance.

Old Bike Barn specializes in vintage Japanese motorcycle brake components with trusted OEM and aftermarket parts curated by riders who wrench, restore, and ride classic machines.

Motorcycle Brake Master Cylinders parts questions

What does this Motorcycle Brake Master Cylinders collection include?

This collection brings together replacement and service parts for Motorcycle Brake Master Cylinders applications, organized so you can compare options against your own machine before ordering.

What kinds of Motorcycle Brake Master Cylinders parts are in this collection?

You will find engine gaskets and seals, brake components, and control cables and levers. Availability shifts as stock moves, so the live product grid above is the accurate list at any given moment.

Are these Motorcycle Brake Master Cylinders parts OEM or aftermarket?

Both. Old Bike Barn stocks genuine OEM replacements alongside quality aftermarket parts, and each listing states which it is. OEM suits a period-correct restoration; aftermarket often costs less or offers an upgrade over the original design.

How do I confirm a part fits my Motorcycle Brake Master Cylinders?

Check the application details on the product page against your year, and engine or frame number. Older machines are often not original, so confirm the part you are replacing rather than assuming factory spec. If you are unsure, contact us before ordering.

How fast does Old Bike Barn ship?

Orders ship from our warehouse on regular business days, and shipping is free on orders over $50 within the United States. Tracking is emailed as soon as your order leaves.