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  • Honda CB Caliper Piston ~ Replaces 45107-MA3-006
Honda CB1100 CB1000 CB900 CB750 CB650 caliper piston 45107-MA3-006
VintageCB750 parts reference, SKU 29-0509. 1982 Honda CB750F A (U.S.; serial limits unverified) example. OEM 45107-MA3-006.
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Honda CB1100 CB1000 CB900 CB750 CB650 caliper piston 45107-MA3-006

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Load image into Gallery viewer, Honda CB1100 CB1000 CB900 CB750 CB650 caliper piston 45107-MA3-006
Load image into Gallery viewer, VintageCB750 parts reference, SKU 29-0509. 1982 Honda CB750F A (U.S.; serial limits unverified) example. OEM 45107-MA3-006.
5.0 ( 1 review)

Honda CB Caliper Piston ~ Replaces 45107-MA3-006

29-0509
$26.95 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 1,347 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 Caliper Piston ~ Replaces 45107-MA3-006

Honda CB Caliper Piston ~ Replaces 45107-MA3-006
$26.95 USD
Description

Replace your DOHC CB caliper piston with this Brake Caliper Piston, 30.15mm diameter x 35mm length, replacing OEM #45107-MA3-006.

Key Features
• Brake caliper piston
• 30.15mm diameter x 35mm length
• Replaces OEM #45107-MA3-006

Fitment / Compatibility

• Front calipers:
• Honda CB750K (1982), 2 per bike
• CB750F (1981‑82), 4 per bike
• CB750C (1982) frame serial # below CM204181 only, 4 per bike

• Front calipers:
• Honda CB750SC (1982‑83), 4 per bike

• Front calipers:
• Honda CB900F (1981‑82), 4 per bike
• CB900C (1982), 4 per bike
• CB1000C (1983), 4 per bike
• CB1100F (1983), 4 per bike
• Rear calipers:
• Honda CB900C (1982), 2 per bike
• CB1000C (1983), 2 per bike

• Front calipers:
• Honda CB650 (1982), 2 per bike
• CB650SC (1983‑85), 4 per bike

• Front calipers:
• Honda CB400T (1981), 2 per bike
• CB450SC (1986), 2 per bike

Part Number: 29-0509

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

Make Model Year
Honda CB750F 1981
Honda CB750K 1982
Honda CB750F 1982
Honda CB750C 1982
Honda CB750SC Nighthawk 1982
Honda CB750SC 1983
Honda CB900F Supersport 1981
Honda CB900C 1982
Honda CB900F 1982
Honda CB1000C Custom 1983
Honda CB1100F Supersport 1983
Honda CB650 1982
Honda CB650SCD Nighthawk 1983
Honda CB650SCE Nighthawk 1984
Honda CB650SCF Nighthawk 1985
Honda CB400TB Hawk 1981
Honda CB450SCG Nighthawk 1986

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

What are the dimensions and OEM reference for caliper piston 29-0509?

The piston measures 30.15mm in diameter x 35mm long and cross-references Honda OEM 45107-MA3-006.

How many 45107-MA3-006 caliper pistons are included and required?

One piston is included. The listed CB750F, CB750C, CB750SC, CB900F, CB900C, CB1000C, CB1100F and CB650SC dual-front-caliper applications use four; the listed CB750K, CB650, CB400T and CB450SC front brakes use two; the listed CB900C and CB1000C rear calipers use two.

What should be inspected when replacing a brake-caliper piston?

Inspect the hydraulic seal, dust boot, bore and seal groove for corrosion or scoring. Fully bleed the system after assembly and verify firm pressure, free wheel rotation and no leakage before riding.

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