Replica Kawasaki - Complete Brake Master Cylinder - Use On Honda Too! 14mm

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This is a reproduction of the Kawasaki brake master cylinder found on the Z1, KZ900 and other bikes. It's a complete master cylinder and lever assembly. You can also use it one any of the 70's Hondas with single disc front brakes. Just flush your hoses, bolt it on, connect the brake hose, add fluid, bleed and then stop like you mean it. At this price it's practically cheaper to replace the whole thing rather than fixing parts of the original. It really looks nice having a new one of these on your bike. It obviously looks a little different from the original Honda master cylinders but as you can see in the photos, it still looks really nice! You can use this for just about any vintage bike application.

Note: The lever and pivot bolt don't come installed, apply some grease to the pivot bolt sleeve and the end of the piston on the master cylinder, then install the lever.

For those of you who have rebuilt a master cylinder that's seized up after sitting for 30 years, we don't have to tell you how much time you'll save buying a new master cylinder!

This does not come with instructions, so please be informed about how to install a new master cylinder, or have a professional do it.

For use with M10 x 1.25 banjo bolt. Standard size for most all Honda, Yamaha, Kawasaki and Suzuki's. We carry a variety of brake fittings and banjo bolts.

This master cylinder does not have a hydraulic brake switch built in but we have one available here.

14mm piston bore size. Here's a helpful article about front master cylinder ratios. We also carry a version of this master cylinder with a 15.8mm piston.

The mirror mount threading fits standard 10MM mirrors.

Equivalent to Kawasaki OEM part number: 43015-032

Can be used in place of Honda OEM part numbers: 45500-341-771, 45500-369-671

Can be used on Honda:

CB350F - 1972-1974
CB350G - 1973
CB360T - 1975-1976
CB360G - 1974
CB400F Super Sport - 1975-1977
CB450K - 1970-1974
CB500K - 1971-1973
CB500T Twin DOHC - 1975-1976
CB550F Super Sport - 1975-1976
CB550K - 1974-1978
CB650 - 1979-1982
CB650C Custom - 1980-1981
CB650SC Nighthawk - 1982
CB750A Hondamatic - 1976-1978
CB750C Custom - 1980-1982
CB750F Super Sport - 1975-1978
CB750K - 1969-1982

and many others....use it on any single or dual disc brake set up on just about any bike.

Fits Kawasaki:

KH400 A3-A5
KZ400 A1/A2/D/D3/D4
H1 500/B/D/E/F
KH500 A8 
H2 750 A/B/C
KZ900 A4/A5
Z1 900

and others . . .

19 Reviews Hide Reviews Show Reviews

  • 5
    Excellent value!

    Posted by Scott S on 27th May 2017

    I've used these on several builds. Why bother rebuilding a master cylinder when this one bolts right up, works great right out of the box and looks original?

  • 5
    Couldn't work better

    Posted by S on 25th May 2017

    Needed a replacement for my 72 CB750. This item worked perfect and really looks very very close to the original

  • 5

    Posted by Unknown on 13th Mar 2017

    1973 Honda CB350F, way easier and less frustrating than rebuilding the master on a stock assembly. Bolted on, and with their front brake line kit and crush washers, everything works great. No surprises here...

  • 4
    looks like the original

    Posted by David on 5th Nov 2016

    am restoring a '76 Honda 550F. It will be several months (hope by spring) until it is on the road. Can only buy so much each month, and only have so much time to get it disassembled and disassembled. Look like it will perfect.

  • 5
    Great Replacement

    Posted by Casey on 29th Nov 2015

    I bought my project bike with a non OEM master cylinder that seems to have come from a 80's model. I found this to be much better quality, mostly due to the metal construction of the reservoir. Make sure to purchase the crush washers metioned in the description. Only recommendation would be to also include the matching clutch handle (if available) in the description as well.

  • 4
    it's a thing!

    Posted by mitch on 14th Sep 2015

    The master cylinder was one of the first things I rebuilt on my CB350f. But after a few years it was messed up again and I have less time to screw around trying to make old stuff work, so I decided to replace the whole thing with this. It works fine and looks better than stock. The cap threads were cut a bit rough or something. I'm sure it could have been touched up and smoothed out but I just cranked the cap on and left it alone. Whoever responds to email here indicated that the 14mm version would be closest to the stock cylinder on the cb350f.

  • 5
    good fit

    Posted by Andy ( Australia ) on 5th Jul 2015

    A good aftermarket product, fitted straight on, I changed the lid and also the lever as the original had the black plastic tip on it. Very happy, never had a bad product from these guys.A rebuild kit in OZ in nearly twice the price of this item

  • 5

    Posted by Alec Sokso on 20th Jun 2014

    Looks great and works great on my honda. Thanks!

  • 5
    Good replacement

    Posted by Justin Mandrelle on 8th Jun 2014

    I purchased this master cylinder when my attempt to re-build the original on my 72'cb350f failed. It bolted right up with a great fit and the lines bled fairly quickly. It has the same threaded hole to retain the stock Honda mirror. The front brakes are currently working great.