RHM38E

RHM38E SPARK PLUG, MASSIVE ELECTRODE

PN: RHM38E


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DESCRIPTION | FEATURES | SPECIFICATIONS | DOCUMENTS | VIDEO | ASK A QUESTION

DESCRIPTION

The **Champion RHM38E** is a **massive-electrode two-prong spark plug** built for dependable ignition performance in high-power aviation piston engines. Its shielded thread design and robust construction ensure consistent operation in demanding flight environments. --- ## Applications - Suitable for **aviation piston engines** requiring shielded massive two-prong plugs - Commonly used in **radial and large displacement engines** in general aviation - Preferred for engines demanding durability and resistance to fouling under harsh conditions --- ## 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

- **Two-prong massive electrode design** for strong and reliable spark - **Nickel alloy electrodes** providing excellent heat and corrosion resistance - **Shielded 3/4‑20 barrel thread** for EMI suppression and durability - **Fired glass insulator seal** ensures gas-tight integrity and vibration resistance - **Nickel plating with epoxy coating** for enhanced corrosion protection - **Thread plating** to minimize seizing during installation and removal

SPECIFICATIONS

Package Dimensions

Length13 cm
Height2.7 cm
Width3.7 cm
Weight127 g

Details

| **Specification** | **Detail** | |-----------------------------|--------------------------------------------------------------------------------| | **Part Number** | RHM38E | | **Type** | Massive Electrode (two-prong) | | **Compatible Engines** | R-1820, IO-540, PZL-ASZ-621R, PZL-3S, R-1300, TIO-360, R-2600, IO-720, Lycoming TO-360, Wright radial engines | | **Compatible Aircraft** | Aero Commander S2R, AG Aircraft (Eagle 300, Dromader, Thrush), Bell 47G, Enstrom F28B, Grumman Avenger, Piper Aztec/Comanche/Navajo/Saratoga/Seminole, Sikorsky S-55A/S-56, Taylorcraft Workhorse | | **Thread Size** | Shielded 3/4‑20 barrel thread | | **Mounting Thread / Size** | 18 mm | | **Reach** | 13/16 inch (≈ 2.06 cm) | | **Sealing Method** | Fired glass insulator seal | | **Electrode Material** | Nickel alloy electrodes | | **Finish / Coating** | Nickel plating with epoxy overcoat | | **Typical Gap** | 0.016″ – 0.021″ (0.41 – 0.53 mm) | | **Packaging** | Sold individually, factory sealed | | **Certifications** | FAA / aviation-grade specification | | **Manufacturer** | Champion Aerospace |

BROCHURES & DOCUMENTATIONS

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