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1977 Honda CB550K Switches & Sensors

The 1977 Honda CB550K choices include hydraulic brake-light, rear brake-light and oil-pressure switches. Identify the switch by its job and location before comparing mounting and wiring. A shared motorcycle listing does not make switches with different operating arrangements interchangeable.

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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...
Honda CB750 CB550 CB500 CB400 CB360 clutch safety switch 35340-329-003

Honda CB Clutch Safety Switch ~ Replaces 35340-329-003

$9.95 USD
12-0010
Fit the front brake / clutch safety switch on your classic Honda with this Front Brake & Clutch Safe-T-Switch, replacing OEM #35340-329-003. Used on...
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•...
New
Honda CB750 CB550 CB400 pilot turn signal light cover 37600-377-018

Honda CB750 / CB550 / CB400 Pilot Turn Signal Light Cover ~ Replaces 37600-377-018

$54.95 USD
99-4819
Restore your gauge cluster with this replacement Pilot Indicator Light Cover — a direct fit for OEM #37600‑377‑018. This part includes both the front...
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1977 Honda CB550K · Switches & Sensors Buying guide

Choose the switch for the circuit being repaired

Separate the hydraulic front brake-light switch from the rear stop-light switch and engine warning switch. Compare the fitted component’s connection and mounting, then review any application restrictions in the individual description.

Parts to consider

Honda CB Hydraulic Stop Light Switch ~ Replaces 35350-300-006 Hydraulic front brake-light switchFront hydraulic brake-light switch with a listed 10 mm × M1.25 thread. Match the installed switch’s thread, connection and mounting arrangement rather than choosing by appearance alone.View part Honda CB Rear Brake Light Switch Rear brake-light stop switchSeparate rear brake-light switch listed for the CB550K. Compare its mounting, electrical connection and the operating arrangement already fitted to your motorcycle.View part Honda CB Oil Pressure Switch ~ Replaces 37240-P13-013 Oil-pressure warning switchOil-pressure switch replacing reference 37240-P13-013. Compare the switch and connection on the engine; this is a replacement component, not an oil-pressure diagnosis.View part

Keep the brake switch applications distinct

The hydraulic switch has a stated thread specification and a front-brake application. The separately listed clutch/brake switch describes non-hydraulic front-brake applications. Its broad model fitment does not remove that limitation. Compare the actual control and switch arrangement before choosing between products with similar names.

Replace the component without assuming the fault

A replacement oil-pressure switch is a component choice, not proof of why a warning lamp is lit. Likewise, a brake-light symptom does not identify which switch or connection needs replacement. Establish the part needed, then match its mounting and wiring to the installed motorcycle.

Common buying questions

Can the clutch/brake switch replace the hydraulic front switch?

Do not assume that interchange. The clutch/brake switch description specifies non-hydraulic front-brake applications, while the hydraulic switch lists its own thread. Compare the installed control and ask the store to confirm the application if the names leave doubt.

What thread is stated for the hydraulic brake-light switch?

The product description states 10 mm × M1.25. Use that as a specification to compare with the installed switch and its mounting, rather than as a guarantee for an altered brake system or an unidentified replacement component.

Does fitting an oil-pressure switch confirm the engine has good pressure?

No. The listing identifies a replacement warning switch and its reference number. It does not establish actual engine oil pressure or diagnose the warning circuit. Confirm the repair needed before selecting the switch solely from a lamp symptom.

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