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1975 Honda CB550F Fuel Tank Caps, Petcocks & Mounts

Choose the tank service parts for your 1975 Honda CB550F by their mounting position and connection. A leaking tap, damaged cap seal and worn tank cushion need different replacements. Check the tank itself if it has been changed or modified.

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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 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...
Honda CB750 CB550 CB450 CB400 CB350 gas cap rubber seal 17631-329-003

Honda CB Gas Cap Rubber Seal ~ Replaces 17631-329-003

$7.95 USD
20-0097
Replace the broad-fitment gas cap rubber seal on many classic Hondas with this Gas Cap Rubber Seal, replacing OEM #17631-329-003. Exceptionally wide fitment covering...
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,...
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1975 Honda CB550F · Tank Caps, Petcocks & Mounts Buying guide

Match the tap, cap seal and tank cushions

Use the tank and original fittings as your starting point. The fuel tap reference, cap seal profile and front or rear mounting position help narrow the choice beyond the motorcycle year.

Parts to consider

1975-76 Honda CB550F / CB550K Fuel Petcock ~ Replaces 16950-374-671 CB550F fuel petcockOn, off and reserve control; replacement reference 16950-374-671.View part Honda CB Gas Cap Rubber Seal ~ Replaces 17631-329-003 Fuel cap rubber sealReplacement cap seal; reference 17631-329-003.View part Honda CB Front Fuel Tank Holder Rubber ~ Replaces 17611-283-010 Front fuel tank cushionReplaces 17611-283-010; sold individually, with two used per bike.View part

Related parts: Rear fuel tank cushion

Choose the fuel tap by its connection

The featured CB550F petcock replaces reference 16950-374-671 and provides on, off and reserve positions. Compare the tap and tank fitting before ordering, particularly with a replacement tank. Do not assume that every petcock listed for the year uses the same connection.

Inspect the cap and tank mounting separately

The cap seal replaces reference 17631-329-003. The front cushions and linked rear cushion support different mounting positions. Two front rubbers are used per motorcycle and are sold individually; inspect the rear mounting separately instead of treating the rubbers as one interchangeable set.

Your buying questions

Which of the two petcock listings should I choose?

Match the original tap reference and tank fitting. The featured tap replaces 16950-374-671; the other tap specifies M20 × 1.5 and reference 16950-341-671. Confirm the connection rather than assuming the two are interchangeable.

Is one front cushion enough for the whole tank?

Two front tank rubbers are used per motorcycle, and they are sold individually. Order the quantity required after inspection. The rear cushion is a separate part for a different mounting position.

Will the cap seal fit an aftermarket tank cap?

Compare the cap and its existing seal with reference 17631-329-003. The listed application supports the original arrangement; an aftermarket cap can use a different shape or sealing surface even on the same motorcycle.

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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