Champion REM40E Aircraft Spark Plug
The Champion REM40E is a massive-electrode, shielded spark plug designed for use in certified piston aircraft engines. It provides consistent ignition performance, stable combustion, and long service life in magneto ignition systems commonly used in general aviation.
This spark plug is widely used in Lycoming and Continental engines and represents the standard heat range for most applications. The REM40E is considered a cooler plug compared to REM38E, making it the preferred choice for normal operating conditions and engines not prone to fouling.
The shielded design reduces electromagnetic interference, ensuring compatibility with onboard avionics and communication systems.
Manufactured by Champion Aerospace, the REM40E meets strict aviation standards and quality control requirements, making it a trusted choice for aircraft owners, maintenance organizations, and flight schools.
Key features & benefits
- Massive-electrode design for durability
- Shielded configuration for magneto systems
- Reliable ignition and stable combustion
- Standard heat range for most applications
- Long service life under normal operating conditions
- Compatible with certified piston aircraft engines
Common Applications
- Lycoming O-320
- Lycoming O-360
- Lycoming IO-360
- Continental O-470
- Continental IO-520 / IO-550
Champion REM40E vs REM38E – Comparison
| Feature | REM40E | REM38E |
|---|---|---|
| Heat Rating | Cooler | Hotter |
| Fouling Resistance | Standard | Better |
| Typical Use | Standard applications | Engines prone to fouling / colder ops |
| Popularity | Most common choice | Common alternative |
Frequently Bought Together
- Copper Spark Plug Gasket – 18mm (MS17840-1)
- Aircraft Engine Oil (e.g. AeroShell W15W-50)
- Oil Filter (Tempest / Champion)
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