DESCRIPTION |
FEATURES |
SPECIFICATIONS |
DOCUMENTS |
VIDEO |
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DESCRIPTION
The **Champion REL37B** is a **twin‑electrode, 5/8‑24 shielded spark plug** engineered for demanding aviation applications. It provides robust ignition performance, excellent wear resistance, and consistent spark under high-vibration conditions. Ideal for radial and helicopter engines, including the **M14P**, **6V4**, and **6V-335** series.
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## Applications
- Common in **radial engines** and **rotary-wing aircraft**
- Suitable for select **Bell**, **Hiller**, **Pitts**, **Sukhoi**, and **Yakovlev** models
- Designed for use in **M14P radial engines** and **Franklin helicopter engines**
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## Why CJ Aerospace?
CJ Aerospace supplies trusted ignition and engine components for aviation operations.
We provide fast dispatch, technical support, and parts that meet aviation quality standards.
- 🇦🇺 **Australian‑owned & operated**
- 📦 **Stocked locally for rapid dispatch**
- 🔧 **OEM-quality spark plugs**
- 🛠️ **Preferred by many MROs and operators**
> ✉️ [Contact us sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au)
> For help with fitment or application, our technical team can assist.
FEATURES
- **Twin massive electrode design** for extended service life and redundancy
- **Shielded 5/8‑24 thread** for superior EMI suppression and ignition protection
- **Nickel alloy electrodes** resist thermal and mechanical erosion
- **Fired glass gas-tight seal** ensures vibration durability
- **Corrosion-resistant plating** to prevent thread seizure and rust
SPECIFICATIONS
Package Dimensions
| Length | 4.2 cm |
| Height | 2.5 cm |
| Width | 13.1 cm |
| Weight | 100 g |
Details
| **Specification** | **Detail** |
|-----------------------------|-----------------------------------------------------------------------------|
| **Part Number** | REL37B |
| **Compatible Engines** | M14P radial, 6V4‑200, 6V4‑200‑C32, 6V‑335 |
| **Compatible Aircraft** | Bell 47G / 47H / 47H‑1, Hiller UH‑12B / UH‑12C, Pitts Model 12, Sukhoi SU‑26 / SU‑29 / SU‑31, Yakovlev YAK‑18T / YAK‑50 / YAK‑52 / YAK‑54 / YAK‑55 / YAK‑58 |
| **Thread Size / Barrel** | 5/8‑24 shielded barrel thread (14 mm pitch) |
| **Reach** | 1/2 inch (≈ 12.7 mm) |
| **Electrode Type** | Twin massive electrodes |
| **Typical Gap** | 0.016″ – 0.021″ (0.41 – 0.53 mm) |
| **Packaging** | Sold individually, factory sealed |
| **Certifications** | Aviation-rated (per Champion application data) |
| **Manufacturer** | Champion Aerospace |
BROCHURES & DOCUMENTATIONS
List of Brochures
Champion Aerospace Spark Plug Chart
List of Documentation
VIDEO
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