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1975 Honda CB550K Gas Tank Caps, Petcock Parts & Mounts

Fuel tank parts tagged for the 1975 Honda CB550K include two petcocks that name the 1975-76 bikes, chrome, matte black and Joker Machine filler caps, latch assemblies, the cap seal, front and rear tank mounting rubbers and the tank emblems.

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Currently viewing Gas Tanks, Caps, Petcocks & Parts

Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

Honda CB front fuel tank holder rubber 17611-283-010

Honda CB Front Fuel Tank Holder Rubber ~ Replaces 17611-283-010

$7.87 USD
02-6534
Secure the front of your fuel tank with this Front Fuel Tank Holder Rubber, a direct replacement for OEM #17611-283-010. Fits a broad range...
Honda CB750F CB750K CB550F CB550K fuel petcock 16950-341-671

1975-76 Honda CB750 / CB550 Fuel Petcock ~ Replaces 16950-341-671

$39.95 USD
20-8038
Replace your mid-'70s CB fuel petcock with this Honda CB750 Fuel Petcock, replacing OEM #16950-341-671 with M20 x 1.5 threads. Please verify the thread...
Sale
Honda CB750 CB550 CB500 CB400 CB360 gas cap rubber seal 17534-323-300

Honda CB Gas Cap Rubber Seal ~ Replaces 17534-323-300

$8.19 $7.95 USD
You save $0.24
20-0039
Replace your mid-'70s Honda gas cap rubber seal with this Gas Cap Rubber Seal, replacing OEM #17534-323-300. Broad fitment across the SOHC CB750K, CB500/CB550...
Honda CB750 CB550 CB500 CB450 type filler chrome cap 17510-323-310

Honda CB OEM Type Filler Chrome Cap ~ Replaces 17510-323-310

$49.95 USD
20-0045
Replace your OEM-type filler cap with this OEM Type Gas/Fuel Tank Chrome Cap, including gasket and hinge pin with E-clip for easy installation. Replaces...
Honda CB750 CB550 CB500 CB450 CB400 gas fuel tank cap latch assembly

Honda CB Gas/Fuel Tank Cap Latch Assembly

$44.95 USD
20-0083
Replace your gas cap latch with this Gas/Fuel Tank Cap Latch Assembly. Includes a chrome latch, return spring, latch mounting pin, and C-clip.Key Features•...
New
Honda CB550 CB500 CB360 rear fuel tank holder rubber 17613-286-000

Honda CB Rear Fuel Tank Holder Rubber ~ Replaces 17613-286-000

$9.95 USD
12-0133
Restore proper rear fuel tank mounting on your mid-'70s twin or four with this Rear Fuel Tank Holder Rubber, a direct replacement for OEM...
New
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Honda CB1000 CB900 CB750 fuel tank emblem clamp nut 87311-634-600

Honda CB Fuel Tank Emblem Clamp Nut ~ Replaces 87311-634-600

$6.25 USD
99-5267
Secure your fuel tank emblem properly with this Fuel Tank Emblem Clamp Nut, designed as a direct replacement for the original Honda hardware. This...
New
Honda CB550F CB550K fuel petcock 16950-374-671

1975-76 Honda CB550F / CB550K Fuel Petcock ~ Replaces 16950-374-671

$44.95 USD
20-8029
Fuel petcock designed as a replacement for the original Honda unit, matching OEM reference 16950-374-671. Controls fuel flow from the tank to the carburetors,...
Honda CB750 CB550 CB450 CB400F fuel tank cap latch 17510-323-310

Honda CB Matte Black Fuel Tank Cap with Latch ~ Replaces 17510-323-310

$69.95 USD
07-9967
Restore your classic Honda's tank with a factory-look matte-black finish using this Matte Black OEM-Type Fuel Tank Cap with Latch Assembly. A direct replacement...
Honda CB750 CB550 CB400F CB450 CB360 tank cap latch assembly black

Honda CB Gas/Fuel Tank Cap Latch Assembly ~ Black

$29.95 USD
01-9934
Replace a broken, missing, or worn-out fuel cap latch with this Gas/Fuel Tank Cap Latch Assembly in black. Includes the black latch, return spring,...
New
Honda CB750K CB550K CB500K fuel tank emblem Honda CB500 550 750

1971-76 Honda CB750K / CB550K / CB500K Fuel Tank Emblem Honda CB500/550/750

$69.95 USD
99-5542
Upgrade or restore your classic Honda motorcycle with this Fuel Tank Emblem — precision‑designed and styled to replace multiple factory emblems. This authentic replacement...
Honda CB750 CB550 joker machine black gas tank cap latch assembly

Honda CB Joker Machine Black Gas Tank Cap Latch Assembly

$79.95 USD
73-1157
Upgrade your fuel tank latch with the Joker Machine Custom Black Gas/Fuel Tank Cap Latch Assembly. Designed as a premium alternative to the discontinued...
Honda CB750 CB550 CB500 joker machine billet black flip-up gas cap

Honda CB Joker Machine Billet Black Flip-Up Gas Cap

$149.95 USD
73-1156
Joker Machine’s Custom Black Flip-Up Billet Gas Cap is a beautifully crafted upgrade to your original tank cap. CNC-machined from solid 1" thick billet...
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1975 Honda CB550K · Tank, Cap & Petcock Buying guide

Caps, petcocks and mounts

Compare the cap, latch, petcock connection and tank-mounting rubbers as separate parts. Each has its own reference and supplied contents. Identify the worn or missing piece, then check the fitted tank before choosing an assembly or individual replacement.

Parts to consider

1975-76 Honda CB750 / CB550 Fuel Petcock ~ Replaces 16950-341-671 Fuel petcock, M20 x 1.5Petcock standing in for Honda 16950-341-671; fitment names 1975-76 CB550K bikes.View part Honda CB Matte Black Fuel Tank Cap with Latch ~ Replaces 17510-323-310 Matte black filler cap with latchComplete cap with gasket, hinge pin and latch, standing in for Honda 17510-323-310.View part Honda CB Gas Cap Rubber Seal ~ Replaces 17534-323-300 Gas cap rubber sealSeal standing in for Honda 17534-323-300; covers 1974-76 CB550K bikes.View part

Related parts: Fuel petcock with reserve · Front tank holder rubber · Rear tank holder rubber

Compare the petcock references

The two petcock listings name the 1975-76 CB550K but quote different Honda references. The 16950-341-671 option specifies M20 x 1.5 threads; the 16950-374-671 description does not give a thread dimension. Compare the original part and tank connection, and confirm the correct option before ordering.

Choosing a filler cap

The matte-black cap listing includes a gasket, hinge pin with E-clip and a complete latch assembly. Chrome and billet styles are separate choices. Compare finish, the fitted hinge and latch, and each listing's supplied contents rather than assuming every cap option includes the same hardware.

Tank FAQs

Which petcock should I buy for a 1975 CB550K?

Both petcocks name 1975-76 CB550K bikes but stand in for different Honda parts. Compare the number and thread on your old petcock, and contact the store if unsure.

Does the black latch assembly include the spring?

Yes. The black latch kit includes the latch, return spring, mounting pin and C-clip. Its fitment covers 1974-76 CB550K bikes and several other classic Honda models.

Are the front tank rubbers sold as a pair?

The front-tank rubber listing says sold individually and specifies two per bike, with Honda reference 17611-283-010. The rear rubber is a separate part with a different reference. Inspect the fitted mounts and order the quantity actually needed for the repair.

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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