DESCRIPTION |
FEATURES |
SPECIFICATIONS |
DOCUMENTS |
VIDEO |
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DESCRIPTION
The **Champion RHM38S** is a **fine‑wire iridium spark plug** engineered for high-performance aviation piston engines.
Built for durability and reliability, it resists lead fouling, offers stable ignition, and provides extended service life under demanding operating conditions.
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## Applications
- Designed for use in **general aviation piston engines** requiring fine-wire iridium spark plugs
- Commonly fitted in **light to medium single and twin-engine aircraft**
- Ideal for engines where enhanced ignition reliability, longer service life, and resistance to lead fouling are critical
- Suitable for flight training, private, and commercial light aircraft operations
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## Why CJ Aerospace?
CJ Aerospace supplies trusted ignition and engine components for aviation operations.
We provide fast delivery, technical support, and quality parts trusted by aviation professionals.
- 🇦🇺 **Australian‑owned & operated**
- 📦 **Stocked locally in Australia for rapid dispatch**
- 🔧 **OEM-quality ignition components**
- 🛠️ **Preferred by leading MROs and operators**
> ✉️ [Contact us sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au)
> Need help with fitment or compatibility? Our expert team is here to assist.
FEATURES
- **Iridium fine-wire center electrode** for improved spark focus and longevity
- **Nickel alloy ground electrode** with high corrosion resistance
- **Shielded thread (M18 x 1)** for interference protection and secure fit
- **Fired glass seal** for gas-tight integrity and vibration resistance
- **Extended life** in lead-prone environments
- **Designed for aviation-grade ignition systems**
SPECIFICATIONS
Package Dimensions
| Length | 12.8 cm |
| Height | 2.5 cm |
| Width | 3.7 cm |
| Weight | 141 g |
Details
| **Specification** | **Detail** |
|-----------------------------|-----------------------------------------------------------------------------|
| **Part Numbers** | RHM38S |
| **Type** | Fine‑Wire Iridium Aviation Spark Plug |
| **Electrode Configuration** | Single fine-wire iridium center electrode |
| **Compatible Engines** | Continental IO-360, IO-520, TSIO-520, IO-550; Lycoming O-540, IO-540, TIO-540, IO-580 |
| **Compatible Aircraft** | Cessna 172, 182, 206; Piper PA-28, PA-32; Beechcraft Bonanza, Baron; Cirrus SR20, SR22 |
| **Thread Size** | M18 x 1 (shielded) |
| **Reach** | 1/2 inch (12.7 mm) |
| **Sealing Method** | Fired glass insulator seal |
| **Material** | Iridium center / nickel alloy ground electrode |
| **Packaging** | Sold individually |
| **Certifications** | FAA-approved, certified for aviation use |
| **Manufacturer** | Champion Aerospace |
BROCHURES & DOCUMENTATIONS
List of Brochures
Champion Aerospace Spark Plug Chart
List of Documentation
VIDEO
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