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1974 Honda CB550K Gauge Glass, Rings, Seals and Cushions

The 1974 Honda CB550K gauge repair selection includes glass lenses, crimp rings, cushions, an internal seal and a trip-knob grommet. These are separate repair pieces with different functions and compatibility notes, so identify the instrument construction before choosing the parts for it.

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Honda CB750 CB550 CB500 speedometer tachometer internal rubber seal

Honda CB750 / CB550 / CB500 Speedometer / Tachometer Internal Rubber Seal

$11.95 USD
49-0255
Replace your gauge internal seal with this Speedometer / Tachometer Internal Rubber Seal. Replaces the ripped, dried, or missing rubber internal seal.Key Features• Speedo...
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Honda CB chrome speedometer and tachometer cover set

Honda CB Chrome Speedometer & Tachometer Cover Set

$44.95 USD
02-2480
Dress up your gauge cluster with this Chrome Speedometer & Tachometer Cover Set. These chrome-plated covers fit over your stock speedo and tach to...
Honda CB900 CB750 CB650 CB550 speedo tach meter cushion 37235-323-700

Honda CB Speedo/Tachometer Meter Cushion ~ Replaces 37235-323-700

$22.26 USD
73-0096
Replace your speedo / tach meter cushion with this Speedo / Tachometer Meter Cushion, replacing OEM #37235-323-700.Note: 2 used per bike, one for the...
Honda CB750 CB550 CB500 speedometer and tachometer replacement glass lens set 2

Honda CB750 / CB550 / CB500 Speedometer & Tachometer Replacement Glass Lens Set/2

$44.95 USD
49-0250
Replace scratched or broken gauge glass with this Speedometer & Tachometer 92mm Glass Lens Set of 2. If the glass lens of your gauges...
Honda CB750 CB550 CB500 CB400 CB350 trip meter knob rubber grommet

Honda CB Trip Meter Knob Rubber Grommet

$17.50 USD
49-0256
Replace your trip meter knob grommet with this Day Trip Meter Knob Rubber Grommet. These grommets often dry out and rip; get a new...
Honda CB550F CB550K CB500K speedometer and tachometer crimp ring set 2

1971-78 Honda CB550F / CB550K / CB500K Speedometer & Tachometer Crimp Ring Set/2

$64.95 USD
49-0247
Restore your gauge faces with this Speedometer & Tachometer Crimp Ring Set of 2 for NIPPON SEIKI gauges. When changing the speedometer or tachometer...
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1974 Honda CB550K · Gauge repair parts Buying guide

Match the repair piece to the instrument construction

The glass is sold as a two-piece 92mm set, and the crimp rings are a two-piece Nippon Seiki set. The cushion has a separate replacement reference and a two-per-bike requirement; that does not establish its package count.

Parts to consider

1971-78 Honda CB550F / CB550K / CB500K Speedometer & Tachometer Crimp Ring Set/2 Nippon Seiki crimp rings, set of twoThe ring set lists CB550K 1974–78 and specifically names Nippon Seiki gauges. Its inner diameter is 103.4mm and outer diameter 108.2mm.View part Honda CB750 / CB550 / CB500 Speedometer & Tachometer Replacement Glass Lens Set/2 92mm replacement glass, set of twoTwo glass lenses described as slightly curved like the originals, with CB550K 1974–78 application. Compare the 92mm measurement with the fitted instrument.View part Honda CB Speedo/Tachometer Meter Cushion ~ Replaces 37235-323-700 Meter cushion for the gauge supportReplacement reference 37235-323-700. The description says two used per bike, one for the speedometer and one for the tachometer; confirm the supplied quantity.View part

Related parts: Internal rubber seal; compare instrument construction · Trip-meter knob rubber grommet · Chrome gauge covers; instruments excluded

Keep the maker-specific ring requirement

Nippon Seiki is stated explicitly for the crimp rings. The internal seal description mentions ND gauges in its CB750 wording and lists CB550K years separately. It does not establish that every CB550 gauge maker uses one identical seal. Compare the seal with the instrument actually fitted.

Do not mistake decorative covers for replacement instruments

The chrome cover set fits over stock-type gauges and excludes the instruments pictured. It states a 103mm base diameter, 87mm top diameter and 37mm height, with a trip-reset cutout in one cover. Compare these shell dimensions separately from the glass and crimp-ring measurements.

Gauge glass, rings and cushions questions

Does the cushion listing sell a pair?

It states that two are used per bike, one for each gauge, but does not expressly label a supplied pair. Use that statement to count the required positions and confirm the package quantity before completing the order.

Are the internal seal and crimp rings a matched kit?

They are separate listings with separate compatibility wording. The rings specifically name Nippon Seiki. The internal seal should be compared independently with the instrument construction; the shared CB550K application does not verify a universal ring-and-seal combination.

Will the 92mm lens set repair any custom mini gauge?

Its description names stock-model applications and a 92mm lens size. It does not identify the custom mini instruments as compatible. Compare the gauge construction and dimensions instead of extending that model application to an unrelated custom housing.

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