BLUE LINE
Blue Line Ignition Coil 90° Cap, 18-Inch Lead - GY6 & 139QMB
Description
Make the most of limited space around your spark plug with this Blue Line ignition coil assembly for compatible GY6 and 139QMB four-stroke engines. Its 90-degree spark plug cap turns the lead away from the plug for easier routing in tight spaces, while the 18-inch lead gives you flexibility between the coil mounting point and cylinder head. It’s a practical replacement when a failed or weak coil is keeping you from riding.
Key Features
- 90-degree spark plug cap: Angled design helps route the lead where space above the plug is limited
- Complete assembly: Includes ignition coil, high-tension lead, and resistor-style spark plug cap
- 18-inch lead: Provides flexibility for routing to the spark plug
- Single mounting hole: One mounting eyelet secures the coil body
- Two spade terminals: Separate connection points for the ignition wiring
Technical Specifications
- Brand: Blue Line
- Part number: 0900-1104
- Part type: Replacement ignition coil assembly
- Lead length: 18 inches (457.2 mm)
- Spark plug cap: 90-degree resistor style with rubber boot
- Mounting: Single mounting hole
- Electrical connections: Two spade terminals
Compatibility
| Engine application | Engine codes |
|---|---|
| 50cc four-stroke | 139QMB, 1P39QMB, 139QMA, YN139QMB |
| 125cc / 150cc four-stroke | 152QMI, 157QMJ, 1P57QMJ, JJ157QMJ, BN157QMJ, YN1P57QMJ, 1P52FMI, 154FMI |
| 170cc / stroker applications | 161QMK, 1P61QMK, BN161QMK-A |
Match your existing coil’s mounting, electrical terminals, ignition-system requirements, and spark plug connection before ordering. Check that the angled cap clears the surrounding bodywork and engine components. An engine-code fragment such as “QM” or “FM” alone is not enough to establish fitment.
Product Diagrams
Features
Specifications
Brand: Blue Line; Part number: 0900-1104; Lead length: 18 inches (457.2 mm); Cap: 90-degree resistor style with rubber boot; Mounting: Single mounting hole; Connections: Two spade terminals; Applications: Compatible GY6 and 139QMB four-stroke ignition systems
Model Fitments
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Same day shipping for orders placed before 2PM (CST) M-F
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30-day return period on eligible items
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Flat-rate shipping for orders shipped to the 48 Contiguous United States.
