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1978 Honda CB400A Turn Signal Mounts

Before replacing a complete turn signal, inspect its support. A bent front stay and worn rear rubbers call for different parts. Compare the existing stay dimensions and count the rear mounting rubbers so the CB400A order covers the positions being repaired.

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Honda CB750 CB550 CB500 CB400 CB360 front turn signal stay

Honda CB Front Turn Signal Stay

$12.95 USD
11-2167
Replace a damaged front signal stay with this Front Signal Lamp Stay in chrome. Body length 65mm, thread 25mm, total length 90mm. Pairs with...
Honda CB750 CB500 CB450 CB400 turn signal lamp gasket 33443-268-671

Honda CB Turn Signal Lamp Gasket ~ Replaces 33443-268-671

$4.61 USD
11-2085
Service your early CB750 or classic twin turn signal with this Turn Signal Lamp Gasket, replacing OEM #33443-268-671. Pairs with our signal lens #11-2110...
Honda CB750 CB550 CB450 CB400 rear turn signal rubbers pk 2 33606-371-000

Honda CB750 / CB550 / CB450 / CB400 Rear Turn Signal Rubbers Pk/2 ~ Replaces 33606-371-000

$15.95 USD
73-0834
Replace your rear turn signal rubbers with this Rear Turn Signal Rubbers Pk/2, replacing OEM #33606-371-000. These are the rubbers that go under the...
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1978 Honda CB400A · Signal Mounting Parts Buying guide

Choose signal supports by position and quantity

The front stay is 90 mm overall, including a 25 mm threaded section. Rear signal rubbers come two per pack, with two required beneath each rear signal stay. Those are separate ordering decisions.

Parts to consider

Honda CB Front Turn Signal Stay Chrome front signal stay65 mm body plus 25 mm threaded section; 90 mm overall length.View part Honda CB750 / CB550 / CB450 / CB400 Rear Turn Signal Rubbers Pk/2 ~ Replaces 33606-371-000 Rear signal rubbers, pack of twoTwo rubbers are supplied. Each rear signal uses two rubbers beneath its stay.View part

Check the front stay length

The chrome stay has a 65 mm body and 25 mm thread for 90 mm overall. Other lengths exist, so measure the component already fitted. The product pairs with the specified signal-lamp design; a custom housing still needs its mounting checked.

Order rear rubbers by signal

A pack contains two rubber pieces, which is the stated requirement for one rear signal. Renewing both rear signal mounts therefore calls for two packs. Keep this mounting quantity separate from the number of lamps, lenses or front stays needed for the job.

Signal Mounting Parts questions

Does one pack of rear rubbers service both rear signals?

No. The pack contains two rubbers and each rear signal uses two. One pack covers one rear signal’s rubbers; order two packs when replacing the rubbers at both rear signals.

Is the front stay 65 mm or 90 mm long?

Its body is 65 mm and the threaded section adds 25 mm, giving 90 mm overall. Compare both measurements with the old stay, especially when the signal mounting arrangement has been changed.

Can the stay be used with a custom signal lamp?

Check the custom housing’s attachment and the available thread engagement first. The stay’s CB400A application does not prove compatibility with every aftermarket lamp, even when the outer appearance is similar.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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