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1973 Honda CB350F0 Brake & Horn Switches

Use the fault location to narrow the switch parts for your 1973 CB350F0. The front hydraulic stop switch, rear brake-light switch and horn button are separate service items; the short front switch harness is also available for wiring repairs.

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Honda CB750 CB550 CB500 CB450 CB400 rear brake light switch

Honda CB Rear Brake Light Switch

$10.33 USD
12-0008
Replace your rear brake light switch with this Rear Brake Light Stop Switch. Exceptionally broad fitment across the SOHC CB750 lineup and virtually the...
Honda CB750 CB550 CB500 hydraulic stop light switch 35350-300-006

Honda CB Hydraulic Stop Light Switch ~ Replaces 35350-300-006

$24.95 USD
29-7021
Replace your hydraulic brake light switch with this Hydraulic Brake Light / Stop Switch, replacing OEM #35350-300-006 / #35350-300-016. 10mm x M1.25 thread.Key Features•...
Honda CB750 CB500 CB350 horn button

Honda CB750 / CB500 / CB350 Horn Button

$7.00 USD
12-0036
Replace a worn horn button with this Horn Button with Spring. Works as a horn button or a starter button, fitting all SOHC CB750s,...
Honda CB550 CB500 front brake light switch sub harness 35345-319-000

Honda CB Front Brake Light Switch Sub Harness ~ Replaces 35345-319-000

$7.00 USD
73-0104
Replace your front stop switch sub harness with this Front Stop / Brake Switch Sub Harness, replacing OEM #35345-319-000.Key Features• Front stop / brake...
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1973 Honda CB350F0 · Brake & Horn Switch Parts Buying guide

Identify which switch is at fault

A brake-light fault can involve either the switch or its connection. Compare the front hydraulic fitting, rear actuation and wiring before selecting a replacement; horn-button work involves the handlebar housing instead.

Parts to consider

Honda CB Hydraulic Stop Light Switch ~ Replaces 35350-300-006 Front hydraulic stop switchFront brake-light switch with M10 × 1.25 thread for the original-type hydraulic arrangement.View part Honda CB Rear Brake Light Switch Rear brake-light switchReplacement rear stop switch with a specific 1973 CB350F application.View part Honda CB750 / CB500 / CB350 Horn Button Horn button and springReplacement button supplied with its spring for the compatible original switch housing.View part

Related parts: Front stop-switch sub-harness

Separate the two brake circuits

The front replacement is a hydraulic stop switch with an M10 × 1.25 thread. The rear replacement serves the separately operated rear brake-light circuit. Confirm the installed arrangement before ordering, and follow the service manual for work on the hydraulic brake system.

Inspect the short harness as well

The linked front stop-switch sub-harness replaces reference 35345-319-000 and specifically lists the 1973 CB350F. It is useful when the short connection is damaged. Compare both ends with the motorcycle’s wiring rather than buying a switch to solve a broken-wire problem.

Brake & Horn Switch Parts questions

Can I replace the wiring without buying a switch?

Yes, the linked front stop-switch sub-harness is a separate product. It replaces the short connection associated with the front brake switch. Check the connectors and confirm the damage is in that section before ordering.

What comes with the horn button?

The replacement button is supplied with a spring. Inspect the switch housing and contacts before ordering; this is a small control repair, and the condition of the surrounding assembly still matters.

Will the hydraulic switch suit a modified front brake?

Check the installed switch location, M10 × 1.25 thread and electrical connections. A replacement master cylinder or altered brake plumbing can change the required arrangement, even when the motorcycle remains a 1973 CB350F.

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