1972 Honda CL450K5 Fuel Caps, Latches & Petcock

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

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

$7.87 USD

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 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

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

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•...

Honda CB750 CB450 CB350 CL350K3 gas cap rubber seal 17525-300-000

Honda CB Gas Cap Rubber Seal ~ Replaces 17525-300-000

$5.95 USD

Replace your early Honda gas cap rubber seal with this Gas Cap Rubber Seal, replacing OEM #17525-300-000. Fits the earliest CB750K, CB450K/CL450K, and CB350K/CL350K/SL350K.Key...

Honda CB450 CB360 CB350 CL350K0 CL350K2 fuel petcock 16950-292-000

Honda CB Fuel Petcock ~ Replaces 16950-292-000

$34.95 USD

Replace your CB450, CL450, CB350, or CB360 fuel petcock with this Fuel Petcock, replacing OEM #16950-292-000 with M16 x 1.5 threads. Please verify the...

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

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

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,...

Honda CB750 CB550 joker machine black gas tank cap latch assembly

Honda CB Joker Machine Black Gas Tank Cap Latch Assembly

$79.95 USD

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

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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1972 Honda CL450K5 · Fuel Caps, Latches & Petcock Buying guide

Choose tank fittings by mechanism and package contents

Chrome and matte-black cap packages include different hardware. Separate latch options support a narrower repair, while the custom billet cap has its own contents and a separately purchased latching mechanism.

Parts to consider

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

Chrome cap with gasket and hinge pinIncludes a gasket and hinge pin with E-clip. Review the tank’s latch separately when completing the order.View part

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

Matte-black cap and latch packageCap with gasket and hinge pin/E-clip, plus latch, return spring, latch mounting pin and C-clip.View part

Honda CB Fuel Petcock ~ Replaces 16950-292-000

Threaded fuel petcockM16 × 1.5 tank connection, referenced to 16950-292-000. Measure the actual tank fitting before purchase.View part

Compare the cap packages line by line

The chrome cap supplies a gasket and hinge pin with E-clip. The matte-black package adds the latch, return spring, latch pin and C-clip. Check which existing pieces remain serviceable before choosing the larger package or adding a separately linked chrome latch assembly.

Plan the custom cap and latch together

The linked billet cap includes its spring-loaded alloy flange, gasket and alloy screw, with the latching mechanism sold separately. Its linked matching latch supplies latch, spring, screw and nut. Confirm the tank mechanism before selecting these pieces, and avoid assuming a complete latch comes with every cap.

Buying questions

Can the original cap be retained when only its latch is damaged?

Inspect the cap and tank mechanism first. The linked chrome latch assembly supplies latch, spring, mounting pin and C-clip, making its contents relevant to a latch-only repair when the retained cap and mount are suitable.

Does the billet cap package already contain the matching black latch?

The latching mechanism is explicitly sold separately. Account for the chosen latch as another order line, and compare the tank’s actual hinge and latch arrangement before combining the custom cap and latch components.

Will the petcock reference resolve a thread mismatch on a changed tank?

A reference cannot override the actual connection. Verify the tank fitting against M16 × 1.5 and check clearance; if the tank differs, identify its correct petcock rather than assuming the motorcycle’s original application determines the thread.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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