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Honda CB900 CB750 CB650 front master cylinder assembly
Honda CB900 CB750 CB650 front master cylinder assembly
Honda CB900 CB750 CB650 front master cylinder assembly
Honda CB900 CB750 CB650 front master cylinder assembly
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Honda CB900 CB750 CB650 front master cylinder assembly

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4.8 ( 4 reviews)

Honda CB900 / CB750 / CB650 Front Master Cylinder Assembly

08-0457
$109.95 USD
Currently out of stock
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,332 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts

4 product reviews

Honda CB900 / CB750 / CB650 Front Master Cylinder Assembly

Honda CB900 / CB750 / CB650 Front Master Cylinder Assembly
$109.95 USD
Description

Fit a blacked-out front master cylinder to your late-'70s or early-'80s DOHC CB with this Front Brake Master Cylinder Assembly. Usable on any single or dual disc brake. Black body with black lever, 15.8mm piston size, and an integrated brake light switch with two small spade connectors. Designed to look similar to the original master cylinders on these bikes.

Note: not identical to the OEM type but works great, and keeps the stealth aesthetic.

Key Features
• Front brake master cylinder assembly
• Black body, black lever
• 15.8mm piston
• Integrated brake light switch (2 small spade connectors)
• Works with single or dual disc brakes

Fitment / Compatibility

• Honda CB750K / CB750F / CB750A (see note)

• Honda CB750K (1979‑82)
• CB750F (1979‑82) Supersport
• CB750C (1980‑82) Custom
• CB750L (1979) Limited

• Honda CB750SC (1982‑83) Nighthawk

• Honda CB900C (1980‑81) Custom
• CB900F (1981‑82) Supersport

• Honda CB650 (1979‑82)
• CB650C (1980‑81) Custom
• CB650SC (1982) Nighthawk

Part Number: 08-0457

Read More
Read Less

Check the listed model and year, then read any fitment notes in the description.

Make Model Year
Honda CB750K Standard 1969
Honda CB750K 1970
Honda CB750K 1971
Honda CB750K 1972
Honda CB750K 1973
Honda CB750K 1974
Honda CB750K 1975
Honda CB750F Supersport 1975
Honda CB750K 1976
Honda CB750F 1976
Honda CB750A Hondamatic 1976
Honda CB750P Police 1976
Honda CB750K 1977
Honda CB750F 1977
Honda CB750A 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750A 1978
Honda CB750P 1978
Honda CB750K Standard 1979
Honda CB750F Supersport 1979
Honda CB750L Limited 1979
Honda CB750K 1980
Honda CB750F 1980
Honda CB750C Custom 1980
Honda CB750K 1981
Honda CB750F 1981
Honda CB750C 1981
Honda CB750K 1982
Honda CB750F 1982
Honda CB750C 1982
Honda CB750SC Nighthawk 1982
Honda CB750SC 1983
Honda CB900C Custom 1980
Honda CB900C 1981
Honda CB900F Supersport 1981
Honda CB900F 1982
Honda CB650 1979
Honda CB650 1980
Honda CB650 1981
Honda CB650 1982
Honda CB650SC Nighthawk 1982
Honda CB650C Custom 1980
Honda CB650C Custom 1981

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

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60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

What are the specifications of front master cylinder 08-0457?

It has a 15.8mm bore, black body and black lever and includes an integrated brake-light switch with two small spade terminals.

Can the 15.8mm master cylinder be used with single- and dual-disc brakes?

It is offered for compatible single- or dual-disc systems, but master-cylinder bore must be matched to the caliper piston area and desired lever travel. Confirm the complete brake configuration rather than selecting by handlebar fit alone.

What must be checked after replacing a front master cylinder?

Use the correct banjo hardware and sealing washers, fill with the specified brake fluid, bleed all air and verify firm lever pressure, brake-light operation, free wheel rotation and no leakage before riding.

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