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1979 Honda CB650 Brake & Oil-Pressure Switches

Front-brake, rear-brake and oil-pressure switches serve different circuits on your 1979 CB650. Identify which warning or light function needs attention, then compare its mounting and electrical connection. Replacement controls can change which brake switch is required even when the motorcycle’s year matches.

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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...
Honda CB900 CB750 CB650 CB400 front brake light switch 35340-422-013

Honda CB900 / CB750 / CB650 / CB400 Front Brake Light Switch ~ Replaces 35340-422-013

$14.95 USD
12-0003
Fit the earlier DOHC CB's front brake light switch with this Front Brake Stop Switch, replacing OEM #35340-422-013. Fits the 1979-80 CB750 range, CB900C,...
Honda CB1100 CB1000 clutch lever brake light switch 35330-413-003

Honda CB Clutch Lever Brake Light Switch ~ Replaces 35330-413-003

$15.95 USD
29-7029
Replace your front clutch lever safety stop switch with this Clutch Lever Stop Switch, replacing OEM #35330-413-003. This is the switch that allows the...
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Honda CB750 CB650 rear brake light switch 35350-MG7-405

1979-82 Honda CB750 / CB650 Rear Brake Light Switch ~ Replaces 35350-MG7-405

$15.82 USD
27-5523
Restore reliable brake light activation with this Rear Stop Light Switch, designed as a direct replacement for several original Honda rear brake switches. This...
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1979 Honda CB650 · Brake & Oil-Pressure Switches Buying guide

Identify the switch by its position and circuit

The front brake switch, pedal-operated rear switch and oil-pressure switch are separate replacements. Match the component at the fault location rather than choosing from a shared Honda reference or appearance alone.

Parts to consider

Honda CB900 / CB750 / CB650 / CB400 Front Brake Light Switch ~ Replaces 35340-422-013 Front brake-light switchFront brake switch for the 1979–80 CB650, replacing reference 35340-422-013.View part 1979-82 Honda CB750 / CB650 Rear Brake Light Switch ~ Replaces 35350-MG7-405 Rear brake-light switchPedal-operated rear stop-light switch for the 1979–82 CB650, including reference 35350-425-003.View part Honda CB Oil Pressure Switch ~ Replaces 37240-P13-013 Oil-pressure switchReplacement oil-pressure switch with a listed 1979–82 CB650 application. Reference 37240-P13-013.View part

Match the brake control already fitted

The front switch is listed for the 1979–80 CB650 and references 35340-422-013. If a previous owner changed the master cylinder or control assembly, compare that assembly’s switch mount and terminals before ordering. A matching motorcycle year does not identify replacement controls.

Distinguish a warning fault from a switch fault

The oil-pressure switch is a separate component from either brake-light switch. Diagnose the warning circuit and the underlying condition using the appropriate service manual before replacing it. A new switch should not be used to assume that an unexplained oil-pressure warning has been resolved. If the oil-pressure warning stays on with the engine running, stop the engine and have actual oil pressure checked before riding.

Common buying questions

Can I use the rear switch for the front brake?

These are different replacements. The rear switch operates from the brake pedal, while the front switch fits the front control. Choose by position and mounting arrangement, then compare the existing electrical connection.

Does a replacement master cylinder affect switch choice?

It can. The featured front switch has a 1979–80 CB650 application, but a changed master cylinder or control may use another mounting or terminal arrangement. Identify the fitted control rather than relying only on the motorcycle model.

Will a new oil-pressure switch cure a warning light?

Only if the switch is the cause. Check the circuit and actual oil-pressure condition using the model’s service information before buying. The replacement’s listed application does not establish the cause of a warning on your motorcycle.

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