Honda CB750 CB550 CB500 CB400 Front Caliper Piston Sealing Ring - Replaces Honda OEM 45108-300-003
Description
Honda CB750 CB550 CB500 CB400 Front Caliper Piston Sealing Ring - Replaces Honda OEM 45108-300-003. This front brake-caliper piston seal or boot seals the caliper piston bore or keeps contamination away from the piston and sliding surfaces.
Clean the caliper bore and seal grooves before installation; inspect the piston and brake fluid for contamination or corrosion.
Product Details
| Replaces Honda OEM | 45108-300-003 |
|---|---|
| Position / side | Front |
| Part type | brake-caliper piston seal or boot |
| Sold | individually |
Fitment / Compatibility
Fits Honda:
- CB350F (1972, 1974)
- CB350G (1973)
- CB360G (1974)
- CB360K (1974)
- CB360T (1975-76)
- CB400A (1978)
- CB400F (1975-77)
- CB400T (1980)
- CM400A (1979-81)
- CM400T (1979-81)
- CB450K (1970-74)
- CB500K (1971-73)
- CB500T (1975-76)
- CB550F (1975-77)
- CB550K (1974-78)
- CB650C (1981)
- CB900C (1980)
- CB900F (1979-80)
- GL1000 (1975-78)
- GL1000LTD (1976)
- CB750K (1969-76)
- CB750F (1977-80)
- CB750C (1981)
Before Ordering
- Verify OEM/reference 45108-300-003 matches the part being replaced
- Confirm caliper model, piston diameter, seal or boot profile, bore condition, installed location, and quantity required
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.
