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1978 Honda CB550K Stock Seat Cover and Repair Hardware

A sound seat base may need new covering rather than a complete seat, while a locking or hinge problem needs different parts. The cover here is specifically for the original stock 1978 seat. Inspect its retained hardware, foam and supports before ordering the upholstery.

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Currently viewing Seat Covers & Hardware

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Honda CB750 CB650 CB550 CB500 seat lock bar assembly 77220-340-003

Honda CB Seat Lock Bar Assembly ~ Replaces 77220-340-003

$54.95 USD
73-1070
Replace your seat lock bar with this Seat Lock Bar Assembly, replacing OEM #77220-340-003 / #77220-340-011.Key Features• Seat lock bar assembly• Replaces OEM #77220-340-003...
Honda CB750 CB650 CB550 CB500 CB400 seat lock with keys 77230-399-007

Honda CB Seat Lock with Keys ~ Replaces 77230-399-007

$28.95 USD
73-0140
Restore your seat lock with this Seat Lock with Keys, replacing OEM #77230-399-007 / #77230-107-711.This seat lock works perfectly for the bikes listed; the...
Honda CB750 CB550 CB500 CB350 SL350K1 seat hinge pin 77103-313-000

Honda CB Seat Hinge Pin ~ Replaces 77103-313-000

$4.50 USD
73-0947
Replace your seat hinge pin with this Seat Hinge Pin, replacing OEM #77103-313-000.Note: 2 used per bike, order the quantity you require.Key Features• Seat...
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Honda CB750 CB550 CB500 CB450 seat setting rubber 77204-292-000

Honda CB Seat Setting Rubber ~ Genuine Honda 77204-292-000 ~ Replaces 77204-292-000

$21.95 USD
99-5159
This genuine Honda seat setting rubber supports and cushions the seat mounting point on select classic Honda CB and CL models. It helps reduce...
Honda CB750 CB650 CB550 CB500 seat setting rubber 77204-312-000

Honda CB Genuine Honda Seat Setting Rubber ~ OEM 77204-312-000

$13.95 USD
99-5052
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Seat Setting Rubber — precision‑engineered and quality made in Japan. This authentic replacement...
Honda CB550K seat cover replacement

1978 Honda CB550K Seat Cover

$99.95 USD
73-1092
Refresh your seat with this Replacement Seat Cover with Reinforced Passenger Strap (No hardware or chrome trim included just re-use existing hardware). There is...
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1978 Honda CB550K · Seat Covers & Hardware Buying guide

Separate the upholstery order from hinge and lock repairs

The cover’s installed-reference photograph shows more than the purchase supplies. Check its exclusions and artwork first, then choose hinge, locking and support parts according to the actual fault beneath the seat.

Parts to consider

1978 Honda CB550K Seat Cover Stock 1978 seat cover with strapCover-only purchase with reinforced passenger strap and sewn-in top foam. Hardware and chrome trim are excluded; confirm lettering because the installed-reference image conflicts with the no-stencil description.View part Honda CB Seat Lock Bar Assembly ~ Replaces 77220-340-003 Replacement seat locking barLock bar assembly referencing 77220-340-003 and 77220-340-011. Compare the old bar and retained locking arrangement; a keyed lock is a separate product.View part Honda CB Seat Setting Rubber ~ Genuine Honda 77204-292-000 ~ Replaces 77204-292-000 Honda seat-setting rubber cushionGenuine Honda 77204-292-000 support rubber, sold individually. Compare the existing cushion shape, especially with a changed seat pan or mounting hardware.View part

Related parts: Keyed seat-lock replacement · Replacement seat hinge pin · Honda support rubber with alternative reference

Read the cover exclusions against the photograph

The installed-reference photo shows a seat with gold HONDA lettering and chrome edging. The listing supplies the cover only and excludes hardware, chrome trim and the Honda stencil. Confirm supplied artwork, and inspect the old base and fittings before assuming the photograph represents included components.

Identify which part of the lock needs repair

The locking bar and keyed lock are separate products. The replacement keyed mechanism is described as projecting farther than the original, so compare the assembled seat and nearby fittings. A hinge pin or support rubber addresses another part of the seat mounting, not a complete lock package.

Common questions

What is included with the stock-seat cover?

The description includes a reinforced passenger strap, sewn-in top foam, installation instructions and a seat-foam repair guide. It excludes hardware and chrome trim and identifies the original stock 1978 seat as the intended application.

Should I expect the photograph’s Honda lettering?

Confirm the supplied artwork before ordering. The actual reference photograph shows gold HONDA lettering, while the cover description states that no Honda stencil is supplied. That conflict should not be resolved by assuming the photograph takes precedence.

Are both seat-support rubber shapes the same part?

The two genuine Honda supports carry references 77204-292-000 and 77204-312-000. Compare the old cushion’s shape and mounting arrangement before selecting one; both are individual purchases, and the listings do not establish interchange between them.

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