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

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5.0 ( 1 review)

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

20-0097
$7.95 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,329 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts

1 product reviews

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

Honda CB Gas Cap Rubber Seal ~ Replaces 17631-329-003
$7.95 USD
Description

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 the late SOHC CB750, CB550 family, CB400 family, early CB450K/CL450K, CB400F Supersport, CB350K/CL350K, and the earliest classics from CB72 to CB175K.

Key Features
• Gas cap rubber seal
• Replaces OEM #17631-329-003

Fitment / Compatibility

• Honda CB750K (1977‑78)
• CB750F (1975‑78) Supersport
• CB750A (1976‑78) Hondamatic

• Honda CB550K (1977‑78)
• CB550F (1975‑77) Supersport

• Honda CB400A (1978)
• CB400TI (1978‑79)
• CB400TII (1978‑79)
• CB450K (1966 / 1968‑69)
• CL450K (1967 / 1969)

• Honda CB400F (1977) Supersport

• Honda CB350K (1968 / 1970)
• CL350K (1968 / 1970)

• Honda CB72 (1961)
• CB77 (1961)
• CB92 (1959)
• CB100K (1970‑72)
• CB125S (1973‑75)
• CB175K (1969‑73)

Part Number: 20-0097

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Check the listed model and year, then read any fitment notes in the description.

Make Model Year
Honda CB750F Supersport 1975
Honda CB750F 1976
Honda CB750A Hondamatic 1976
Honda CB750K 1977
Honda CB750F 1977
Honda CB750A 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750A 1978
Honda CB550K3 1977
Honda CB550K4 1978
Honda CB550F1 1975
Honda CB550F2 1976
Honda CB550F3 1977
Honda CB400F 1977
Honda CB400A 1978
Honda CB400TI Hawk 1978
Honda CB400TIZ Hawk 1979
Honda CB400TII Hawk 1978
Honda CB400TIIZ Hawk 1979
Honda CB450K0 1966
Honda CB450K1 1968
Honda CB450K2 1969
Honda CL450K0 1967
Honda CL450K2 1969
Honda CB350K0 1968
Honda CB350K2 1970
Honda CL350K0 1968
Honda CL350K2 1970
Honda CB100K0 1970
Honda CB100K1 1971
Honda CB100K2 1972
Honda CB92 1959
Honda CB125S0 1973
Honda CB125S1 1974
Honda CB125S2 1975
Honda CB175K3 1969
Honda CB175K4 1970
Honda CB175K1 1971
Honda CB175K6 1972
Honda CB175K7 1973
Honda CB77 1961
Honda CB72 1961

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

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60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

Which Honda gas-cap seal does this replace?

One rubber fuel-cap seal is included and cross-references Honda OEM 17631-329-003 for the listed classic Honda CB fuel caps.

What should be inspected when replacing a fuel-cap seal?

Clean the cap and filler-neck sealing surfaces and inspect the hinge, latch and vent passages. A new seal cannot correct a bent cap, damaged neck or blocked vent.

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