Blue Line CDI (DC); GY6, 139QMB
Blue Line CDI (DC); GY6, 139QMB
$26.22
10 in stock
*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
Compatibility
Fits many 139QMB-based 50cc / 80cc scooter engines. Confirm measurements, connector style, and engine family before ordering.
Description
Blue Line CDI (DC); GY6, 139QMB 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.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc, GY6
- Engine Code: 139QMB
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 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
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
| Condition | New |
|---|
Restore reliable spark timing on your GY6 or 139QMB-based scooter with this Blue Line DC CDI unit. Designed as a direct OEM-equivalent replacement for Chinese-manufactured scooters running a DC ignition system, this CDI features a 2/4-pin split connector configuration that plugs directly into the factory wiring harness — no modifications required.
- DC (direct current) capacitive discharge ignition
- 2-connector harness with 2/4-pin split — direct plug-in fit
- OEM-equivalent replacement for GY6 and 139QMB DC ignition systems
- Epoxy-potted black housing for vibration and moisture resistance
- Fits 50cc, 80cc, 125cc, 150cc, and 169cc GY6-family engines
- SKU: 0900-1103
- Type: DC CDI (Capacitive Discharge Ignition)
- Connectors: 2-pin + 4-pin (2/4 split)
- Length: 93mm
- Width: 55mm
- Height (excl. plug): 24mm
- Current Type: DC — Direct Current
Engine Compatibility
139QMB-based 50cc / 80cc engines:
| Engine Codes | |||
|---|---|---|---|
| 139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
| YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
| BN139QMB | 147QMD | Other QMA | Other QMB |
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157QMJ-based 125cc / 150cc / 169cc engines:
| Engine Codes | |||
|---|---|---|---|
| 157QMJ | 161QMK | 152QMI | 1P61QMK |
| YN1P57QMJ | 1P52FMI | 154FMI | JJ157QMJ |
| 1P57QMJ | BN157QMJ | BN161QMK-A | Other QMJ/QMK/QMI |
Don't see your engine code? If it includes "QM" or "FM", this CDI is likely compatible with your vehicle.
