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1975 Honda CB400F Brake Switches and Oil Switch

A front disc switch, a clutch safety switch, and a rear brake-light switch do different jobs. The oil-pressure switch is electrical, not a brake part. Match the thread and the lever you removed.

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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...
New
Honda CB400F brake light switch rear brake light spring 35357-046-000

1975-76 Honda CB400F Brake Light Switch / Rear Brake Light Spring ~ Replaces 35357-046-000

$4.61 USD
99-4989
Upgrade or restore your classic Honda motorcycle’s braking system with this Stop Switch / Rear Brake Light Spring — designed to connect the rear...
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1975 Honda CB400F · Switches & Sensors Buying guide

Thread size on the disc, then the rear switch

Use the 10mm x 1.25 switch on the hydraulic front brake. Do not put the non-hydraulic safety switch in that port. The rear stop switch is a separate part and does not print a Honda number.

Parts to consider

Honda CB Hydraulic Stop Light Switch ~ Replaces 35350-300-006 Hydraulic stop switch10mm x 1.25, replacing 35350-300-006 and 35350-300-016. The fitment calls it a front brake switch and names the 1975-77 CB400F.View part Honda CB Clutch Safety Switch ~ Replaces 35340-329-003 Clutch and brake safety switchReplaces 35340-329-003. The text says it is for non-hydraulic brake switch use and names the CB400F Supersport. It is not the 10mm hydraulic switch.View part Honda CB Rear Brake Light Switch Rear brake-light switchNames the CB350F and CB400F Supersport. No Honda number is printed. It is not the front hydraulic switch.View part

Related parts: Oil-pressure switch · Pilot light cover

Oil pressure is not a brake switch

The oil-pressure switch replaces 37240-P13-013 and names the 1975-77 CB400F. It threads into the engine oil circuit. It will not turn on a brake light.

The rear switch spring is a 1975-76 part

A rear brake-light switch spring replaces 35357-046-000 and names the CB400F 1975-76. 1977 is not on that year line. The switch itself is a different part.

Switch questions

What thread is the front brake switch?

10mm x 1.25. It replaces 35350-300-006 and the fitment calls it a front brake switch on the 1975-77 CB400F.

Can I use the safety switch on the disc?

No. That switch replaces 35340-329-003 and the text says it is for non-hydraulic brake use.

Which switch is for oil pressure?

The switch replacing 37240-P13-013. It names the 1975-77 CB400F. It is not a brake-light switch.

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