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1974 Honda CB450K Reflector Attachment & Lamp Sealing

Compare the reflector mount and signal housing retained on your 1974 CB450K before ordering supporting parts. The screw-on reflector states one thread size, while its rubber base and the lamp gasket have separate references. Confirm the attachment and sealing dimensions your particular repair needs.

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Currently viewing Turn Signal Lamps, Stems, Lenses & Reflectors

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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 CB550 front reflector rubber base 33743-341-670

Honda CB Stock Type Front Reflector Rubber Base ~ Replaces 33743-341-670

$8.95 USD
11-2304
Fit the rubber base beneath your stock front reflector with this Stock-Type Front Reflector Rubber Base, replacing OEM #33743-341-670.Key Features• Stock-type front reflector rubber...
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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1974 Honda CB450K · Turn Signals & Reflectors Buying guide

Identify the reflector attachment and the lamp seal separately

Reflector 33741-340-670 specifies a 6mm thread. Front rubber base 33743-341-670 is described beneath the reflector. Signal gasket 33443-268-671 has a named companion lens and lamp arrangement, so check its outline against the housing actually fitted before planning that sealing repair.

Parts to consider

Honda CB Stock Type Reflector ~ Replaces 33741-340-670 Screw-on reflector with stated thread sizeStock-type reflector referencing 33741-340-670 with a 6mm thread. Compare the actual support and required clearance. Pitch, post length and full face dimensions are not stated, leaving those details to be confirmed where altered mounts require them.View part Honda CB Stock Type Front Reflector Rubber Base ~ Replaces 33743-341-670 Front rubber support under its own referenceRubber base described beneath the stock front reflector, referencing 33743-341-670. Compare the support and reflector retained. The description identifies the base without itemizing a supplied reflector or fastener set, or stating a paired purchase quantity.View part Honda CB Turn Signal Lamp Gasket ~ Replaces 33443-268-671 Signal gasket with a companion applicationSeal referencing 33443-268-671 and naming companion signal-lens and lamp products. Match the retained lens outline and housing sealing edge. Confirm any missing shape dimensions when a lamp substituted during earlier work differs from that arrangement.View part

Resolve the threaded attachment beyond its size label

The 6mm label supplies one reflector attachment detail. If the support was replaced, establish the needed pitch, post reach and clearance directly. Check the separate rubber-base shape at its own location before treating a thread-size match as the whole reflector installation comparison.

Compare the gasket with the actual lens being kept

The listed companion arrangement identifies the intended signal seal, without providing a complete outline drawing. An aftermarket lens or housing needs its own comparison and any missing measurements. No lens, lamp or signal mounting assembly is itemized with the gasket purchase.

Attachment and sealing details for retained lamps

How can I assess the reflector when the old threaded post is damaged?

Identify the support thread and reach required, then confirm those specifications for the replacement. The reflector description gives a 6mm size without pitch or post length. Resolve the missing details before choosing it for an uncertain or changed attachment.

What should I compare when renewing the rubber beneath a different front reflector?

Compare the actual support and base shape against reference 33743-341-670. The description does not document dimensions for every replacement reflector. Establish any additional measurements needed by that changed reflector and mounting before ordering the base.

What if the signal lens shape matches but the housing was replaced?

Check the sealing edge and gasket seating arrangement in that housing as well as the lens outline. The gasket names a particular companion arrangement under 33443-268-671. Confirm missing measurements needed by the replacement housing before assuming an apparent lens-shape match settles the seal fit.

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