Open interactive 3D view
Honda CB750K CB450K Front Caliper Piston - Replaces Honda OEM 45107-300-003
Description
Honda CB750K CB450K Front Caliper Piston - Replaces Honda OEM 45107-300-003. This front brake-caliper piston converts hydraulic brake pressure into pad clamping force inside the matching brake caliper.
Replace a pitted, corroded, scored, or sticking caliper piston before it damages new seals or causes brake drag.
Product Details
| Replaces Honda OEM | 45107-300-003 |
|---|---|
| Position / side | Front |
| Part type | front brake-caliper piston |
| Sold | individually |
Fitment / Compatibility
Fits Honda:
- CB750K (1969-76)
- CB450K (1970-71)
Before Ordering
- Cross-check OEM/reference 45107-300-003 against the original part
- Confirm front caliper position, piston diameter and length, seal compatibility, caliper-bore condition, and vehicle application
Fitment
Custom / Universal part
Check compatibility before ordering
Universal does not mean it fits every motorcycle. Compare the dimensions, mounting or connection details, and specifications in the description with your setup. Make sure this is the correct part for your intended use.
Selecting your bike does not confirm fitment for this item.
View product detailsCheck the listed model, year and any fitment notes in the description.
| Make | Model | Years |
|---|
No matching models in this list.
Shipping + Returns
Shipping & delivery
In-stock orders typically ship the same or next business day. Ground delivery is estimated at 3–8 business days to the USA and 2–6 business days within Canada after shipping.
Free ground shipping: USA orders of $50 USD or more; Canadian orders over $50 CAD.
View shipping options and details
Returns
Eligible unused, unaltered parts can be returned within 60 days of delivery, with original packaging. No restocking fees. Electrical parts are excluded.
