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1978 Honda CB750K Gauge Cushions, Covers & Hardware

Support and restore your 1978 Honda CB750K instruments with meter cushions, mounting cap nuts, internal seals, glass and cover pieces. The products address different locations in the gauge assembly. Compare the existing part and its position before choosing hardware or trim that looks similar in a photograph.

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Honda motorcycle parts

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Honda CB900 CB750 speedo tach cap nut set 4

Honda CB900 / CB750 Speedo/Tach Cap Nut Set/4

$3.50 USD
49-0785
Mount your stock speedo and tach with this Speedo / Tach Cap Nut Set of 4. Used to mount the stock OEM-type speedometer and...
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...
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Honda CB750F CB750K speedometer and tachometer crimp ring set 2

1971-78 Honda CB750F / CB750K Speedometer & Tachometer Crimp Ring Set/2

$59.95 USD
49-0249
Restore your gauge faces with this Speedometer & Tachometer Crimp Ring Set of 2. When changing the speedometer or tachometer faceplates, these rings are...
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...
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Honda CB900 CB750 CB650 CB550 Honda tachometer chrome back cover plate 37246-426-000

Honda CB900 / CB750 / CB650 / CB550 Genuine Honda Tachometer Chrome Back Cover Plate ~ OEM 37246-426-000

$69.95 USD
99-5072
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Tachometer Chrome Back Cover Plate — precision‑engineered and quality made in Japan. This...
Honda CB750F CB750K CB550K two metal speedo tach gauge covers with crimp rings

1971-78 Honda CB750F / CB750K / CB550K Two Metal Speedo / Tach Gauge Covers With Crimp Rings

$199.95 USD
49-0252
Recondition your gauges with this Two Metal Speedo / Tach Gauge Covers with Crimp Rings set. Metal gauge covers are often dented, scratched, and...
New
Honda CB900 CB750 CB650 CB550 Honda speedometer chrome back cover plate 37236-426-000

Honda CB900 / CB750 / CB650 / CB550 Genuine Honda Speedometer Chrome Back Cover Plate ~ OEM 37236-426-000, 37236-393-008

$69.95 USD
99-5253
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Speedometer Chrome Back Cover Plate — precision‑engineered and made in Japan. This authentic...
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1978 Honda CB750K · Mounts, Rubbers & Hardware Buying guide

Separate gauge support parts from covers and seals

A meter cushion supports a different part of the instrument than an internal seal or lower cover. Identify which piece is worn, then review package quantities and any exclusions before adding parts to a gauge restoration.

Parts to consider

Honda CB Speedo/Tachometer Meter Cushion ~ Replaces 37235-323-700 Speedo / tach meter cushionMeter cushion referencing 37235-323-700. The listing specifies one for each instrument; order the quantity required.View part Honda CB900 / CB750 Speedo/Tach Cap Nut Set/4 Four-piece gauge cap nut setCap nuts for mounting stock OEM-type speedometer and tachometer assemblies, referencing 94021-06020.View part Honda CB750 / CB550 / CB500 Speedometer / Tachometer Internal Rubber Seal Internal gauge rubber sealInternal rubber seal for stock-type Honda CB750 ND-brand gauges. Confirm the installed gauge brand before ordering.View part

Related parts: Honda tachometer back cover plate · Honda speedometer back cover plate · Replacement glass lens set

Check the small pieces before replacing a gauge

The tachometer back plate replaces 37246-426-000. The speedometer plate lists 37236-426-000, 37236-393-008, 37236-404-000 and 37236-392-000. Match the fitted instrument and the correct side of the assembly before selecting a similarly finished plate.

Confirm cover details rather than assuming a complete shell

The decorative chrome covers fit over stock-type gauges and list a 103 mm base diameter, 87 mm top diameter and 37 mm height. They serve a different purpose from the lower chrome plates or the replacement black metal housings. Compare the part’s location and shape before choosing by finish alone.

Common questions

Can the internal seal be chosen from the motorcycle’s year alone?

The seal listing specifies stock-type Honda CB750 ND-brand gauges. Identify the actual instrument before ordering, especially after a gauge replacement. The lens listing separately offers two slightly curved 92 mm glass pieces; its model application does not remove the seal’s gauge-brand condition.

Should I add separate crimp rings when buying the black housings?

The two black metal covers already list crimp rings as supplied contents. For a repair that retains the existing housings, a separate two-ring set is offered with 102.7 mm inner and 107.5 mm outer diameters. Compare the planned repair and the actual ring before buying overlapping packages.

Does the black cover set have the tripmeter hole already?

The listing for the two black metal covers says they lack the side tripmeter-reset hole and that drilling is required if needed. Check the reset arrangement on your speedometer before choosing those covers for the rebuild.

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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