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  • 1969-78 Honda CB750 Battery Box Rubber "B" ~ Replaces 50327-300-000
Honda CB750 battery box rubber "b" 50327-300-000
Parts fiche reference for SKU 73-1040
Honda Battery Box Rubber "B" ~ Replaces 50327-300-000 — Front three-quarter
Honda Battery Box Rubber "B" ~ Replaces 50327-300-000 — Top
Honda Battery Box Rubber "B" ~ Replaces 50327-300-000 — Underside
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60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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Honda CB750 battery box rubber "b" 50327-300-000

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Load image into Gallery viewer, Honda CB750 battery box rubber "b" 50327-300-000
Load image into Gallery viewer, Parts fiche reference for SKU 73-1040
Load image into Gallery viewer, Honda Battery Box Rubber "B" ~ Replaces 50327-300-000 — Front three-quarter
Load image into Gallery viewer, Honda Battery Box Rubber "B" ~ Replaces 50327-300-000 — Top
Load image into Gallery viewer, Honda Battery Box Rubber "B" ~ Replaces 50327-300-000 — Underside

1969-78 Honda CB750 Battery Box Rubber "B" ~ Replaces 50327-300-000

73-1040
$5.95 USD

Sold individually

In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,330 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts
1969-78 Honda CB750 Battery Box Rubber "B" ~ Replaces 50327-300-000
$5.95 USD
Description

Replace your battery box rubber with this Battery Box Rubber "B", replacing OEM #50327-300-000.

Sold each, order the quantity you require.

Quantity used per bike:
• CB750K (1969‑76): 4 used
• CB750K (1977‑78): 6 used
• CB750F (1975‑76) Supersport: 4 used
• CB750F (1977‑78) Supersport: 6 used
• CB750A (1976‑78) Hondamatic: 1 used

Key Features
• Battery box rubber "B"
• Replaces OEM #50327-300-000
• Sold each

Fitment / Compatibility
• Honda CB750K (1969‑78)
• CB750F (1975‑78) Supersport
• CB750A (1976‑78) Hondamatic

Part Number: 73-1040

Read More
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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 CB750K 1977
Honda CB750F 1977
Honda CB750A 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750A 1978

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.

Start your return below. Wait for our instructions before mailing a part back.

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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

How many battery-box rubbers replacing Honda OEM 50327-300-000 are included?

One battery-box rubber “B” is included.

How many are required for a CB750K or CB750F?

Order four for 1969-1976 CB750K and 1975-1976 CB750F models. Order six for 1977-1978 CB750K and CB750F models.

How many are required for a CB750A Hondamatic?

The 1976-1978 CB750A uses one battery-box rubber “B,” so one is required per motorcycle.

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