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1969 Honda CB450K Engine Gaskets & Oil-Seal Choices

Separate the sealing positions when ordering for a 1969 Honda CB450K. An overhaul gasket set, seven-piece oil-seal kit and small cylinder-stud seal have different functions and contents. Identify each required component before treating one product name as coverage for the whole engine.

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Currently viewing Gaskets & Oil Seals & Engine Hardware

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Honda CB500 CB450 CL450K1 CL450K2 CL450K3 overhaul gasket set

Honda CB Overhaul Gasket Set

$64.95 USD
18-0098
Rebuild your CB500T or CB450/CL450 engine with this Engine Overhaul Gasket Set.Note: fits 5-speed CB450K models only.Key Features• Engine overhaul gasket set• For 5-speed...
New
Honda CB450 CL450 CB500T engine oil seal kit with 7 seals 91202-283-013

1968-76 Honda CB450 / CL450 / CB500T Engine Oil Seal Kit

$21.95 USD
01-9926
Refresh critical engine sealing points with this Engine Oil Seal Kit (7 Pieces), designed to replace common oil seals used in the engine assemblies...
Honda CB500 CB450 CB400 CB360 CB350 cylinder head gasket 12909-428-003

Honda CB Cylinder Head Gasket ~ Replaces 12909-428-003

$2.95 USD
73-1186
Restore top-end sealing performance with this high-quality Cylinder Head Gasket. Designed to match OEM specifications, this gasket ensures a perfect fit and proper sealing...
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Honda CB450 CL450K2 CL450K3 CL450K4 CL450K5 Athena overhaul gasket set

Honda CB Athena Overhaul Gasket Set

$99.95 USD
18-0297
Rebuild your CB450K or CL450K engine with this Athena Overhaul Engine Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda, Kawasaki,...
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1969 Honda CB450K · Gaskets & Oil Seals & Engine Hardware Buying guide

Match the component and its package

The gasket-set descriptions do not establish identical contents or inclusion of the separate oil seals. The small 12909-series part is a cylinder-stud seal. Confirm its component identity rather than choosing from the broad head-gasket wording alone.

Parts to consider

Honda CB Athena Overhaul Gasket Set Athena overhaul gasket setAthena engine gasket set listing 1968–1974 CB450K application. Compare the supplied pieces with the engine joints involved in the work.View part 1968-76 Honda CB450 / CL450 / CB500T Engine Oil Seal Kit Seven-piece engine oil-seal kitSeven seals with separate Honda references and dimensions in the description. Check the complete entries against the parts required.View part Honda CB Cylinder Head Gasket ~ Replaces 12909-428-003 Small 12909-series cylinder-stud sealSmall cylinder-stud gasket listed against Honda 12909-283-000 and related references. This is not a complete combustion head gasket.View part

Related parts: Five-speed-restricted gasket-set alternative

Check the gasket sets by coverage

The Athena set and the other overhaul set are separate products. The latter carries a five-speed engine condition, while neither description supplies a detailed piece-by-piece gasket inventory. Compare the shapes required for your job and confirm coverage before assuming the sets contain the same parts.

Identify small seals individually

An oil seal, the small cylinder-stud seal and a flat engine gasket are different components. Compare the removed piece with its reference and complete dimensions where provided. Neither a broad gasket title nor a photograph establishes the small seal’s required quantity or inclusion in another package.

Buying questions

How can I compare the two overhaul gasket sets?

Check the fitted engine first, including the five-speed restriction on one set. Then compare the gasket shapes your work requires with the confirmed contents. The descriptions do not give identical piece lists, so a shared overhaul label does not prove equal coverage.

Is the small stud seal suitable as the main head gasket?

The 12909-series item is the small cylinder-stud seal. The main gasket sealing around the combustion chambers is a separate component. Identify the removed piece and its reference before ordering, and do not treat the listing’s broad head-gasket title as a contents or function guarantee.

Can the seven-piece oil-seal kit be selected by size alone?

Use the listed Honda references together with the complete dimension entries and the required seal positions. Some entries need more than a simple three-number comparison. Confirm any unclear specification rather than guessing a seal location or assuming the seven pieces cover every sealing need.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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