Reely 2320015693 Glow Plug Medium Heat R5 (M8 x 0.75 mm, 2.0-3.5 cc)

Reliable ignition is critical for nitro RC engines, and a worn or fouled glow plug can cause hard starting, rough idling, and poor top-end performance. The Reely 2320015693 glow plug restores consistent combustion for 2.0–3.5 cc nitro engines, making it a straightforward replacement for RC cars, trucks, and buggies.

Who is it for

This glow plug is for hobbyists running small-block nitro engines between .12 and .21 cubic inches. It suits general-purpose use, sport driving, and mild racing, where a balanced heat range is needed for reliable starts and stable idling without sacrificing top-end power.

Main features

• Medium heat range (R5) for all-around performance.
• M8 x 0.75 mm thread fits standard small-block nitro engines.
• Nickel-chromium alloy electrode for durability and consistent glow.
• 8 mm hex head for easy installation and removal.
• Single piece, ready to install.

Specifications

• Product type: Glow plug
• Heat range: Medium (R5)
• Thread diameter: M8
• Thread pitch: 0.75 mm
• Hex wrench size: 8 mm
• Engine displacement compatibility: 2.0 - 3.5 cc (.12 - .21 cu in)
• Fuel type compatibility: Nitro fuel (methanol-based)
• Application: RC cars, RC trucks, RC buggies
• Electrode material: Nickel-chromium alloy
• Filament type: Standard coil
• Recommended use: General purpose, sport, mild racing
• Quantity per pack: 1 piece
• Replacement part: Yes
• Manufacturer part number: 2320015693
• Brand compatibility: Universal for compatible engine types
• Construction: Single piece
• Starting performance: Reliable
• Idle stability: Good
• Top end performance: Balanced

Tips

Always check your engine's manual for the correct glow plug heat range. For cooler weather or higher nitro content, a hotter plug may be required; for hot weather or high-compression engines, a colder plug is often better. Replace glow plugs regularly to maintain peak engine performance.