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  • Honda Nighthawk Master Cylinder Cover with Diaphragm & Screws
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Honda CB700SC CB650SC master cylinder cover diaphragm screws 45513-KE5-026
Master cylinder cover kit parts fiche diagram, SKU 08-0290, highlighted reference 9 / 12 / 20
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60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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Honda CB700SC CB650SC master cylinder cover diaphragm screws 45513-KE5-026

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Load image into Gallery viewer, Honda CB700SC CB650SC master cylinder cover diaphragm screws 45513-KE5-026
Load image into Gallery viewer, Master cylinder cover kit parts fiche diagram, SKU 08-0290, highlighted reference 9 / 12 / 20

Honda Nighthawk Master Cylinder Cover with Diaphragm & Screws

08-0290
$27.95 USD
Currently out of stock
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
Browse all parts
Honda Nighthawk Master Cylinder Cover with Diaphragm & Screws
$27.95 USD
Description

Restore your Nighthawk's master cylinder top with this Master Cylinder Cover with Diaphragm and Screws. A complete assembly replacing OEM #45513-KE5-026 (cover), #45520-MA5-672 (diaphragm), and #93600-04012-1G (screws). Fits the CB700SC (1984-86) and CB650SC (1984-85) Nighthawks.

Key Features
• Complete master cylinder cover assembly
• Includes cover, diaphragm, and screws
• Replaces OEM #45513-KE5-026, #45520-MA5-672, and #93600-04012-1G

Fitment / Compatibility

• Honda CB700SC (1984‑86) Nighthawk

• Honda CB650SC (1984‑85) Nighthawk

Part Number: 08-0290

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

Make Model Year
Honda CB700SC Nighthawk 1984
Honda CB700SC 1985
Honda CB700SC 1986
Honda CB650SCE Nighthawk 1984
Honda CB650SCF Nighthawk 1985

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 parts and Honda OEM numbers are included in front master cylinder cover set 08-0290?

The front brake reservoir set includes the cover replacing Honda OEM 45513-KE5-026, diaphragm replacing 45520-MA5-672 and cover screws replacing 93600-04012-1G.

Which Honda Nighthawk models fit master cylinder cover set 08-0290?

The cover, diaphragm and screw set fits the 1984-86 Honda CB700SC Nighthawk and 1984-85 CB650SC Nighthawk.

Does 08-0290 include the complete master cylinder?

No. SKU 08-0290 renews the front brake reservoir cover, diaphragm and screws; the master-cylinder body and its internal rebuild parts are separate.

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