
Left Crankcase Cover – QMB139 50cc Longcase
Left Crankcase Cover – QMB139 50cc Longcase
*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.
Product Details
Specifications
- Overall Length: 17 inches. 11 mounting holes total, 9 are bolt holes and 2 are for dowel pins. There are multiple versions of this cover, please check measurements before ordering. ***Does not fit Kymco Agility***
Description
Left Crankcase Cover - QMB139 50cc Longcase is a replacement scooter part available from ScootsUSA. This product is intended for repair, maintenance, or restoration work. Before ordering, compare the product name, SKU, dimensions, connector style, mounting points, and fitment notes with the part currently on your scooter.
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Related Categories
Additional information
| Weight | 3.5 lbs |
|---|---|
| Dimensions | 6 × 4 × 2.1 in |
| Color | Black |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, QMB139, 4-Stroke
- Engine Code: QMB139
- Fits Models / Common Applications: Kymco and other compatible models may apply.
- Fitment Notes: Long Case
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a QMB139 engine?
A: This SKU is listed as compatible with QMB139 engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Will this fit a Kymco?
A: This SKU is listed with Kymco model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 3.5 lbs |
|---|---|
| Dimensions | 6 × 4 × 2.1 in |
| Color | Black |




