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1971 Honda CB500K Switches & Sensors

Switches on a 1971 Honda CB500K operate different circuits and are not interchangeable by appearance. This category includes an oil-pressure warning switch, mechanically operated rear brake-light switch and hydraulic front brake-light switch. Separate buttons and wiring pieces also appear in the selection.

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Currently viewing Switches & Sensors

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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 CB900 CB750 CB650 CB550 CB500 oil pressure switch 37240-P13-013

Honda CB Oil Pressure Switch ~ Replaces 37240-P13-013

$23.95 USD
73-0825
Replace your oil pressure switch with this Oil Pressure Switch, replacing OEM #37240-P13-013.Key Features• Oil pressure switch• Replaces OEM #37240-P13-013• Honda part name: Switch...
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Honda CB750K CB550K CB500K pilot lamp turn signal panel dash harness 37581-323-000

1971-76 Honda CB750K / CB550K / CB500K Pilot Lamp Turn Signal Panel Dash Harness ~ Replaces 37581-323-000

$44.95 USD
11-2181
Restore your instrument panel's indicator lights with this Pilot Lamp Indicator Panel Dash Harness, replacing OEM #37581-323-000 / #37581-374-670. Comes complete with bulbs.Key Features•...
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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1971 Honda CB500K · Switches & Sensors Buying guide

Identify the circuit and how its switch is operated

Match each switch to its function: warning-light operation, rear brake-pedal actuation or front-brake hydraulic pressure. A wiring sub-harness and a small control button are separate components; neither substitutes for the correct switch.

Parts to consider

Honda CB Rear Brake Light Switch Rear brake-light switchA mechanically operated rear stop-light switch. Check its actuation and connection against the rear brake control rather than selecting the hydraulic front switch.View part Honda CB Hydraulic Stop Light Switch ~ Replaces 35350-300-006 Hydraulic front brake-light switchA pressure-operated front stop-light switch with M10 x 1.25 thread. Replaces Honda references 35350-300-006 and 35350-300-016.View part Honda CB Oil Pressure Switch ~ Replaces 37240-P13-013 Oil-pressure warning switchReplaces Honda reference 37240-P13-013 for the warning-light circuit. It is an on/off switch, not a variable pressure-gauge sender.View part

Related parts: Front stop-switch sub-harness · Horn or starter button with spring

Separate a switch fault from a circuit fault

A brake lamp can fail because of the bulb, wiring, connector or switch. Inspect the affected circuit before choosing a replacement. The mechanical rear switch and hydraulic front switch act differently, so identify which brake control is failing and compare that switch’s connections and mounting.

Keep warning-light repair distinct from engine repair

The oil-pressure switch controls a warning-light circuit; replacing it does not correct low engine oil pressure. Select it for a confirmed switch problem rather than treating a persistent warning as proof of a bad sender. Use the appropriate service checks to establish the cause before riding.

Questions about switches & sensors

Are the front and rear brake-light switches the same?

No. The featured front switch is operated by hydraulic pressure and uses M10 x 1.25 thread. The rear switch is mechanically operated at the rear brake control. Choose the type that matches the affected circuit.

Can the oil-pressure switch operate an aftermarket pressure gauge?

The listing identifies it as an on/off warning-light switch, not a variable gauge sender. An aftermarket gauge needs a sender compatible with that gauge. Do not choose this switch solely because it has an oil-pressure connection.

Which wiring branch is listed for the front brake-light switch?

The small front stop-switch harness replaces Honda 35345-319-000. Compare its branch connectors and routing with the existing wiring. It is supplied separately from the switch and main loom, so select it for the specific wiring section requiring repair.

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