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  • Honda CB Front Caliper Piston ~ Replaces 45107-323-020
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Honda CB550 CB500 CB450 CB400 CB360 front caliper piston 45107-323-020
Front brake piston parts fiche diagram, SKU 29-0058, highlighted reference 7
Honda CB Front Caliper Piston ~ Replaces 45107-323-020 — Rear three-quarter
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60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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Honda CB550 CB500 CB450 CB400 CB360 front caliper piston 45107-323-020

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Load image into Gallery viewer, Honda CB550 CB500 CB450 CB400 CB360 front caliper piston 45107-323-020
Load image into Gallery viewer, Front brake piston parts fiche diagram, SKU 29-0058, highlighted reference 7
Load image into Gallery viewer, Honda CB Front Caliper Piston ~ Replaces 45107-323-020 — Rear three-quarter
5.0 ( 1 review)

Honda CB Front Caliper Piston ~ Replaces 45107-323-020

29-0058
$21.78 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 1,347 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
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1 product reviews

Honda CB Front Caliper Piston ~ Replaces 45107-323-020

Honda CB Front Caliper Piston ~ Replaces 45107-323-020
$21.78 USD
Description

Replace your front brake caliper piston with this Front Brake Caliper Piston, 38.15mm diameter x 34mm height, replacing OEM #45107-323-020. The side with the 2mm outer lip faces the brake pad during install.

Key Features
• Front brake caliper piston
• 38.15mm diameter x 34mm height
• Replaces OEM #45107-323-020
• 2mm outer lip faces brake pad

Fitment / Compatibility

• Honda CB500K (1971‑73)
• CB500T (1975‑76)
• CB550K (1974‑78)
• CB550F (1975‑77) Supersport

• Honda CB450K (1972‑74)

• Honda CB350F (1972‑74) Supersport
• CB400F (1975‑77) Supersport

• Honda CB350G (1973)
• CB360K (1974)
• CB360G (1974)
• CB360T (1975‑76)

Part Number: 29-0058

Read More
Read Less

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

Make Model Year
Honda CB550K0 1974
Honda CB550K1 1975
Honda CB550K2 1976
Honda CB550K3 1977
Honda CB550K4 1978
Honda CB550F1 1975
Honda CB550F2 1976
Honda CB550F3 1977
Honda CB500K0 1971
Honda CB500K1 1972
Honda CB500K2 1973
Honda CB400F 1975
Honda CB400F 1976
Honda CB400F 1977
Honda CB350F0 1972
Honda CB350F0 1973
Honda CB350F1 1974
Honda CB500T Twin 1975
Honda CB500T Twin 1976
Honda CB450K5 1972
Honda CB450K6 1973
Honda CB450K7 1974
Honda CB360T 1975
Honda CB360T 1976
Honda CB360G 1974
Honda CB360K0 1974
Honda CB350G 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.

See full shipping details

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 front brake-caliper pistons are included and required?

One 38.15mm-diameter piston is included, enough to service the single compatible front caliper on one listed Honda CB application.

Which direction does the lip on piston 29-0058 face?

The side with the 2mm outer lip faces the brake pad during installation.

Which Honda caliper-piston number does 29-0058 replace?

The 38.15 x 34mm front caliper piston cross-references Honda OEM 45107-323-020.

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