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1973 Honda CB500K Seat Latch, Hinges & Cushions

Check how the seat on your 1973 CB500K opens, locks and rests on its supports before choosing parts. A latch bar cannot replace a hinge pin, and the two Honda cushion references have different profiles. Upholstery is another purchase that reuses the existing seat structure.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Seat Covers & Hardware

Honda motorcycle parts

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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 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...
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Honda CB550K CB500K seat cover

1971-76 Honda CB550K / CB500K Seat Cover

$109.95 USD
73-1091
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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1973 Honda CB500K · Seat Covers & Hardware Buying guide

Separate locking, pivoting and seat support repairs

The lock bar includes the 1973 CB500K in its detailed application. Hinge pins and genuine Honda support rubbers have their own references and sale quantities. Compare the fitted seat base and mechanism before ordering.

Parts to consider

Honda CB Seat Lock Bar Assembly ~ Replaces 77220-340-003 Replacement seat latch barSeat-lock bar assembly with references 77220-340-003 and 77220-340-011. Its detailed application includes CB500K 1972–73; match the fitted bar, pivot and latch interface.View part Honda CB Genuine Honda Seat Setting Rubber ~ OEM 77204-312-000 Honda seat-setting rubberOne genuine Honda support rubber with reference 77204-312-000. This is a separate profile from 77204-292-000; choose the cushion that matches the existing seat mounting position.View part Honda CB Seat Hinge Pin ~ Replaces 77103-313-000 Individually supplied hinge pinOne replacement for Honda 77103-313-000. Two pins are required for both compatible seat hinges, so inspect the two hinge positions before calculating the order.View part

Related parts: Alternative Honda cushion reference

Inspect the complete seat mounting arrangement

The latch bar references 77220-340-003 / 011, and the hinge pin references 77103-313-000. Check the locking interface, hinge brackets and remaining cushion contacts separately. The correct replacement for one worn piece does not establish that a changed seat pan or damaged mounting tab is compatible or serviceable.

Treat upholstery as a cover for retained seat parts

The replacement cover is patterned for the stock CB500K seat and includes a passenger strap, sewn-in foam layer and instructions. The complete seat, hardware, chrome trim and Honda rear stencil are excluded. Inspect the retained pan, foam and trim before choosing a cover, especially after an earlier seat modification.

Questions before choosing

How do I choose between the two genuine Honda support rubbers?

The 77204-312-000 and 77204-292-000 supports are separate individual parts. Use the original mounting position and rubber profile to choose; the 292 reference specifically requires a shape check after seat-pan, fender or hardware changes.

How many hinge pins come with one order?

One 77103-313-000 pin is included, while two are required for both compatible hinges. Order for the locations needing replacement; inspect the hinge brackets, elongated pin holes and retainers before assuming new pins address all the wear.

What seat shape and finish does the replacement cover match?

It is patterned for the original stock CB500K pan and foam, with a reinforced passenger strap and sewn-in foam layer. There is no rear Honda stencil; aftermarket pans or reshaped foam require a separate fit comparison.

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