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1971 Honda CL350K3 Steering Stem Hardware

Identify the steering stem on your 1971 Honda CL350K3 before choosing replacement top hardware. Chrome and black nuts share a replacement reference, while the washer is a separate item with its own reference.

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Honda CB1000 CB900 CB750 CB550 chrome steering stem nut 90304-415-000

Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000

$9.95 USD
49-0786
Replace your steering stem nut with this Chrome Steering Stem Nut, hex nut size 30mm, replacing OEM #90304-415-000.Sold each. We also offer the matching...
Honda CB1000 CB900 CB750 CB550 steering stem washer 90503-283-000

Honda CB Steering Stem Washer ~ Replaces 90503-283-000

$3.50 USD
49-0787
Replace your steering stem washer with this Chrome Steering Stem Washer, replacing OEM #90503-283-000.Sold each, order the quantity you require.Key Features• Chrome steering stem...
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Honda CB750 CB550 black steering stem nut joker machine 90304-415-000

Honda CB Black Steering Stem Nut ~ Joker Machine ~ Replaces 90304-415-000

$47.95 USD
12-0073
Dress up your steering stem with this Joker Machine Black Steering Stem Nut, 30mm hex, replacing OEM #90304-415-000. High-quality CNC-machined and made in the...
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1971 Honda CL350K3 · Steering Stem Hardware Buying guide

Choose matching hardware before choosing a finish

Both featured nuts specify a 30mm hex and reference 90304-415-000. The chrome washer replaces 90503-283-000 and is sold individually.

Parts to consider

Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000 Chrome stem nut30mm hex; reference 90304-415-000; sold each.View part Honda CB Steering Stem Washer ~ Replaces 90503-283-000 Chrome stem washerReference 90503-283-000; sold individually.View part Honda CB Black Steering Stem Nut ~ Joker Machine ~ Replaces 90304-415-000 Black Joker Machine stem nutCNC-machined in the USA, 30mm hex; reference 90304-415-000.View part

Separate hex size from thread compatibility

The 30mm figure is the nut’s hex size. It is useful for tool selection, but does not establish the stem thread specification or verify compatibility with a changed steering assembly.

Include the washer in the mounting inspection

The chrome nut is sold each and the matching washer is another product. Inspect both before ordering; choose a finish only after confirming the required mechanical match.

Ordering questions

Does the chrome nut come with a washer?

The washer is offered separately. Add it when the existing washer also needs replacement rather than assuming it is included with the nut.

What distinguishes the black nut?

The Joker Machine version is black, CNC-machined and made in the USA. It shares the stated replacement reference with the chrome nut.

Does 30mm describe the nut thread?

No. It is the external hex size. Match replacement reference 90304-415-000 and the fitted stem separately, particularly if the steering assembly has been changed.

Not sure which part you need?

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

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