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1966 Honda CB450K Custom Hydraulic Master Cylinders

These listings provide universal hydraulic master-cylinder choices for a checked custom brake setup on a 1966 CB450K. Compare brake-system requirements before comparing price or appearance. The two assemblies differ in supplied fittings and mirror provision, and the spare lever is specific to one assembly.

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Currently viewing Master Cylinder & Rebuild Parts

Honda motorcycle parts

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Universal Honda-type front master cylinder assembly 13mm

Universal Honda-Type Front Master Cylinder Assembly ~ 13mm

$84.95 USD
08-0262
Upgrade to a universal front master cylinder assembly with this Honda-type unit. Complete with lever, banjo bolt, banjo bolt washers, and brake light switch,...
Sold out
Honda CB750 CB650 CB550 replacement brake lever for master cylinder

Honda CB Replacement Brake Lever for Master Cylinder 08-0262

$9.95 USD
08-0430
Replace the brake lever on the #08-0262 Master Cylinder Assembly specifically with this Brake Lever. Designed for this particular master cylinder.Key Features• Replacement brake...
Magura universal front master cylinder assembly 13mm

Magura Universal Front Master Cylinder Assembly ~ 13mm

$259.00 USD
08-0250
Build a custom front brake setup with this Magura Universal Front Brake Master Cylinder. Features a 13mm piston diameter, 12mm stroke, and a threaded...
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1966 Honda CB450K · Master Cylinders & Rebuild Parts Buying guide

Compare compatibility and contents before selecting a master

Both masters specify a 13mm piston or bore and single-disc use. The Honda-type assembly includes several fittings; the Magura lists them separately and has no mirror mount. These specifications require checking against the hydraulic system being built.

Parts to consider

Universal Honda-Type Front Master Cylinder Assembly ~ 13mm Honda-type 13mm master cylinderUniversal single-disc hydraulic assembly with a lever, banjo bolt, washers and brake-light switch. It has a 13mm bore and right-hand-threaded mirror mount. Verify your custom brake setup before selecting it.View part Magura Universal Front Master Cylinder Assembly ~ 13mm Magura 13mm master cylinderUniversal hydraulic master with 13mm piston and 12mm stroke, recommended in the listing for single-disc systems. Brake switch, banjo bolt and washers are separate; it has no mirror mount.View part Honda CB Replacement Brake Lever for Master Cylinder 08-0262 Lever for the Honda-type master cylinderReplacement lever specifically listed for the Honda-type master cylinder assembly shown here. It is a lever-only service choice for that assembly, not a general fitment claim for other masters or perches.View part

An assembly and a custom brake conversion are different orders

The Honda-type listing includes its lever, banjo bolt, washers and brake-light switch. That does not describe an entire hydraulic brake conversion with every hose, caliper or mounting part. Confirm the components required by the actual system before treating the assembly contents as a complete build.

Check the Magura’s separate fittings

The Magura lists a 13mm piston, 12mm stroke and threaded switch port. Its switch, banjo bolt and washers are separate, and no mirror mount is provided. Plan those requirements from the installed handlebars and brake system; do not assume a shared 13mm dimension makes the assemblies interchangeable.

Buying questions for your CB450K

Which master includes the brake-light switch and banjo hardware?

The Honda-type assembly lists its lever, banjo bolt, washers and brake-light switch as included. The Magura lists the switch, bolt and washers separately. Check the full details of the chosen assembly when building your fittings order.

Can the separately listed lever service either master?

The replacement lever is specifically identified for the Honda-type assembly shown here. Its listing does not establish Magura compatibility. Use the master cylinder it actually services as the selection check rather than the motorcycle’s model category.

Do both assemblies include a mirror mount?

The Honda-type assembly lists a right-hand-threaded mirror mount. The Magura states that it has no mirror mount. Check the mirror mounting arrangement you need, and confirm dimensions where the listing does not provide them.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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