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1974 Honda CB450K Seat Cover & Hardware Choices

Assess the upholstery, seat support and locking work separately on your 1974 CB450K. The replacement cover is for the original stock seat and requires existing trim and hardware. Rubber B and the lock bar are separate options with their own references and purchase contents.

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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 CB seat rubber b 77205-286-000

Honda CB Seat Rubber B ~ Replaces 77205-286-000

$7.87 USD
02-6533
Replace those worn, dried-out seat rubbers under your classic Honda with this Seat Setting Rubber "B", a direct replacement for OEM #77205-286-000. One of...
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Honda CB450K CB350G CB350K seat cover

1972-74 Honda CB450K / CB350G / CB350K Seat Cover

$114.95 USD
48-9210
Restore your seat with this Replacement Seat Cover with reinforced passenger strap. No trim or hardware included; reuse your existing hardware. There is no...
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1974 Honda CB450K · Seat Covers & Hardware Buying guide

Inspect the original seat before deciding the replacement scope

The cover includes a reinforced strap, sewn-in foam layer and installation/foam-repair instructions. Rubber B references 77205-286-000 and is supplied individually. The lock bar replaces 77220-340-003 / 77220-340-011 without describing an entire seat-lock system.

Parts to consider

1972-74 Honda CB450K / CB350G / CB350K Seat Cover Replacement cover with reinforced strapFor the original stock seat only. Sewn-in foam layer and instructions included; no complete seat, trim, hardware or rear Honda stencil supplied.View part Honda CB Seat Lock Bar Assembly ~ Replaces 77220-340-003 Separate seat lock bar assemblyReplaces 77220-340-003 / 77220-340-011. Compare the existing bar and locking arrangement; full replacement lock-system contents are not described.View part Honda CB Seat Rubber B ~ Replaces 77205-286-000 Seat setting rubber B, sold individuallyReferences 77205-286-000 for the seat-to-frame cushion. Inspect the matching positions and set the required quantity from the actual seat fitted.View part

Plan foam and pan work before ordering the cover

The sewn-in layer belongs to the cover, while foam-repair guidance is provided for the underlying seat. Inspect that retained structure separately. Neither feature establishes a replacement pan or full foam core supplied, and the original-stock application does not document compatibility with a reshaped aftermarket seat.

Treat support and locking repairs as separate purchases

Seat rubber B and the lock bar identify different functions under the seat. The rubber is sold individually, without a complete-bike count stated. Compare the bar references and inspect its supporting arrangement, then list other needed pieces separately rather than treating either product as a comprehensive seat hardware kit.

CB450K buying questions

Can I select this cover for a seat that has been reshaped?

The stated application is the original stock seat, without dimensions for every changed pan or foam profile. Compare the actual structure and obtain the cover fit information needed for that shape. Its installed reference photograph does not establish a reshaped-seat fit.

What is supplied for the appearance shown in the installed photograph?

The purchase is cover only, with reinforced passenger strap and a sewn-in foam layer. The description explicitly excludes trim, hardware and a rear Honda stencil. Retain suitable existing pieces and plan the finished appearance from those contents rather than every photographed feature.

Does buying the lock bar establish every component needed to restore locking?

The listing identifies a bar replacing 77220-340-003 / 77220-340-011. It does not enumerate an entire lock system or all supporting fasteners. Inspect the seat and locking assembly, compare the existing bar and identify missing parts separately before completing the repair order.

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