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  • Honda CB Rear Master Cylinder Rebuild Kit ~ Replaces 43520-422-305
Honda CB750F CB900 rear master cylinder kit 43520-422-305
SKU 08-0213 — approved OEM fiche location reference (BH02-close-r2)
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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Honda CB750F CB900 rear master cylinder kit 43520-422-305

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Load image into Gallery viewer, Honda CB750F CB900 rear master cylinder kit 43520-422-305
Load image into Gallery viewer, SKU 08-0213 — approved OEM fiche location reference (BH02-close-r2)
5.0 ( 2 reviews)

Honda CB Rear Master Cylinder Rebuild Kit ~ Replaces 43520-422-305

08-0213
$39.95 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,353 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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2 product reviews

Honda CB Rear Master Cylinder Rebuild Kit ~ Replaces 43520-422-305

Honda CB Rear Master Cylinder Rebuild Kit ~ Replaces 43520-422-305
$39.95 USD
Description

Service your 1979-80 CB750F or CB900 rear master cylinder with this Rear Master Cylinder Rebuild Kit, replacing OEM #43520-422-305.

Key Features
• Rear master cylinder rebuild kit
• Replaces OEM #43520-422-305
• Honda part name: Master Cylinder Set

Fitment / Compatibility

• Honda CB750F (1979‑80) Supersport

• Honda CB900F (1979‑80) Supersport
• CB900C (1980) Custom

Part Number: 08-0213

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

Make Model Year
Honda CB750F Supersport 1979
Honda CB750F 1980
Honda CB900C Custom 1980

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.

See full shipping details

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

Which master cylinder and Honda OEM number does this kit service?

One rebuild kit cross-referenced to Honda OEM 43520-422-305 services one listed 1979-1980 CB750F, CB900F and 1980 CB900C rear master cylinder.

What should be inspected before installing a master-cylinder rebuild kit?

Inspect the bore for corrosion, scoring or pitting and check the reservoir, return port, pushrod and hose. New internal parts cannot correct a badly damaged bore.

What must be checked after rebuilding the rear master cylinder?

Refill with the specified brake fluid, bleed all air, set pedal free play and confirm firm pressure, full return, free wheel rotation and no hydraulic leakage before riding.

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