Honda CB750 CB550 CB500 CB400 Starter Motor Seal - Replaces Honda OEM 91312-MG7-003
Description
Honda CB750 CB550 CB500 CB400 Starter Motor Seal - Replaces Honda OEM 91312-MG7-003. This starter-motor seal seals the starter-motor opening at the engine case to limit oil leakage and contamination.
Clean the starter-motor bore and engine-case sealing surface; inspect for grooves or corrosion before fitting the new seal.
Product Details
| Replaces Honda OEM | 91312-MG7-003 |
|---|---|
| Part type | starter-motor seal |
| Sold | individually |
Fitment / Compatibility
Fits Honda:
- CB350F (1972-74)
- CB400A (1978)
- CB400F (1975-77)
- CB400T (1980-81)
- CB400T2 (1978-79)
- CB450SC (1982-83, 1985-86)
- CB450T (1982)
- CB500K (1971-73)
- CB550F (1975-77)
- CB550K (1974-78)
- CB550SC (1983)
- CB650 (1979-82)
- CB650C (1980-81)
- CB650SC (1982-85)
- CB750A (1976-78)
- CB750C (1980-82)
- CB750F (1975-82)
- CB750K (1969-82)
- CB750L (1979)
- CB750SC (1982-83)
- CB900C (1980-82)
- CBX1050 (1979-82)
- CX500 (1978-79)
- CX500C (1979-82)
- CX500D (1979-81)
- CX500TC (1982)
- XL600V (1989-90)
- XR650L (1993-08)
Before Ordering
- Cross-check OEM/reference 91312-MG7-003 against the original part
- Confirm starter mounting pattern, drive gear, rotation/application, electrical terminal, case clearance, and OEM/reference match
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.