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  • Honda CB Carb Diaphragm Rubber ~ Replaces 16022-287-004
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Honda CB350 CL350K0 CL350K1 carb diaphragm rubber 16022-287-004
77 KZ400D / 79 KZ400H / 76-77 KZ400S Carb Diaphragm Rubber ~ Reference 16022-287-004 — 06 Underside view
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Honda CB350 CL350K0 CL350K1 carb diaphragm rubber 16022-287-004

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Load image into Gallery viewer, Honda CB350 CL350K0 CL350K1 carb diaphragm rubber 16022-287-004
Load image into Gallery viewer, 77 KZ400D / 79 KZ400H / 76-77 KZ400S Carb Diaphragm Rubber ~ Reference 16022-287-004 — 06 Underside view

Honda CB Carb Diaphragm Rubber ~ Replaces 16022-287-004

48-1985
$23.45 USD

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60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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Honda CB Carb Diaphragm Rubber ~ Replaces 16022-287-004
$23.45 USD
Description

Replace your carburetor top diaphragm rubber with this Carburetor Top Diaphragm Rubber. Outer dimension 72mm, inner dimension 25mm. Replaces the diaphragm rubber on Honda OEM #16022-287-004 / #16022-287-014 / #16022-287-024.

Note: when installing, line up the rubber tab on the diaphragm so the slide is in proper orientation. Sold each, order the quantity you require.

Key Features
• Carburetor top diaphragm rubber
• 72mm OD x 25mm ID
• Replaces OEM #16022-287-004 / -014 / -024

Fitment / Compatibility

• Honda CB350F (1973) Supersport

• Honda CB350K (1968‑73)
• CL350K (1968‑73)

Part Number: 48-1985

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

Make Model Year
Honda CB350F0 1973
Honda CB350K0 1968
Honda CB350K1 1969
Honda CB350K2 1970
Honda CB350K3 1971
Honda CB350K4 1972
Honda CB350G 1973
Honda CL350K0 1968
Honda CL350K1 1969
Honda CL350K2 1970
Honda CL350K3 1971
Honda CL350K4 1972
Honda CL350K5 1973

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

How many carburetor diaphragm rubbers are included and needed?

One 72mm OD x 25mm ID diaphragm rubber is included. Two are needed for both carburetors on a CB350K or CL350K, while four are needed for all four carburetors on the listed 1973 CB350F.

Which Honda diaphragm references does rubber 48-1985 replace?

It replaces the rubber portion of Honda OEM 16022-287-004, 16022-287-014 and 16022-287-024.

How is the carburetor slide orientation preserved during diaphragm installation?

Align the molded rubber tab with the original carburetor location so the slide is correctly oriented. Seat the outer lip evenly without twisting or pinching it under the top cover.

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