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1978 Honda CB125S5 Signal Seals & Reflectors

A cracked reflector and a worn signal-lamp gasket call for different parts on a 1978 Honda CB125S5. Start with the attachment or housing already fitted, then compare the replacement reference and physical form before adding either item to your order.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Turn Signal Lamps, Stems, Lenses & Reflectors

Honda motorcycle parts

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Honda CB750 CB550 CB500 CB450 CB400 reflector 33741-340-670

Honda CB Stock Type Reflector ~ Replaces 33741-340-670

$21.46 USD
11-2303
Restore your mid-'70s Honda's stock reflectors with this Stock-Type Screw-On Reflector with a 6mm thread, replacing OEM #33741-340-670. Broad fitment covering the 1972-78 CB750...
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...
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Honda CB125S CB100K turn signal flasher relay 38310-428-671

1970-82 Honda CB125S / CB100K Turn Signal Flasher Relay ~ Replaces 38310-428-671

$15.82 USD
12-0104
Replace your CB100 or CB125S turn signal flasher with this Turn Signal Flasher Relay, replacing a range of OEM references (#38310-428-671, #38300-GF0-405, #38300-243-670, #38300-089-671,...
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1978 Honda CB125S5 · Signal Seals & Reflectors Buying guide

Match the reflector attachment and the lamp seal

The reflector is a screw-on part with a stated 6 mm thread. The separate gasket references 33443-268-671; compare its profile with the signal housing, especially where lamps have been replaced.

Parts to consider

Honda CB Stock Type Reflector ~ Replaces 33741-340-670 Screw-on reflectorStock-type replacement reflector with a 6 mm thread, replacing 33741-340-670. Confirm that its attachment matches the bracket.View part Honda CB Turn Signal Lamp Gasket ~ Replaces 33443-268-671 Signal-lamp gasketTurn-signal lamp gasket replacing 33443-268-671. Compare it with the gasket and housing being serviced.View part

Check the bracket as well as the reflector

The reflector’s stated 6 mm thread describes this replacement part. Compare it with the actual mounting point, including the attachment style and available clearance. If the bracket has been altered or replaced, resolve any thread uncertainty before ordering rather than relying on the model label.

Identify the signal housing you are keeping

Choose the gasket around the housing and lens that will remain on the motorcycle. Compare the existing seal’s profile with this replacement and use reference 33443-268-671 when asking for a match. An aftermarket housing needs its own compatibility check even on an otherwise unchanged bike.

Buying questions

Will this reflector fit a push-in mounting point?

This reflector is the screw-on type with a stated 6 mm thread. A push-in mounting arrangement is a different attachment, so confirm a suitable replacement for the bracket rather than assuming this one will attach.

How do I choose a gasket for replacement signal housings?

Identify the housing and lens first, then compare their sealing surface and the gasket profile. Reference 33443-268-671 identifies the offered replacement, but a changed housing needs a separate match before you order.

Does the reflector’s reference number mean it is genuine Honda?

This is a stock-type replacement for 33741-340-670. The reference identifies its replacement application, while the product is described as stock-type. If Honda-branded manufacture is required for the restoration, establish that separately before ordering.

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

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