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

$5.95 USD
20-0038
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...
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...

Honda CB Fuel Petcock ~ Replaces 16950-292-000

$34.95 USD
29-0542
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...

1971 Honda CL350K3 · Tank Service Parts Buying guide

Match the tap, cap seal and rear support

The petcock uses an M16 × 1.5 connection, the rear support rubber replaces 17613-286-000 and the linked cap seal replaces 17525-300-000. Each addresses a different part of the fitted tank assembly.

Choose the tap from the tank connection

The petcock replaces reference 16950-292-000 and has an M16 × 1.5 thread. Compare the tank connection, hose outlet arrangement and available room before ordering, particularly if the tank has been replaced. Its model application does not identify the fittings on a substituted tank.

Separate cap sealing from tank support

The linked cap seal has an explicit 1971 CL350K application and replaces 17525-300-000. The rear support rubber replaces 17613-286-000. Compare the seal with the installed cap and the support with the rear mounting points, especially where previous work changed either assembly.

Buying questions

Will this petcock fit an aftermarket or replacement tank?

Check for the specified M16 × 1.5 tank connection, then compare the outlet arrangement and clearance. A replacement tank may use a different fitting even on the correct motorcycle model.

How do I identify the cap seal if the tank or cap has changed?

Compare the cap actually fitted with seal reference 17525-300-000. Its explicit 1971 CL350K application supports the original application; it does not identify every aftermarket or swapped cap.

Which rubber should I compare for the rear tank support?

Use rear tank holder rubber reference 17613-286-000. Compare its shape and locating points with the rear mount; if the old rubber is distorted, identify the mounting arrangement as well.

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