NGK 3841 BR2-LM Solid Standard Spark Plug, 14mm Thread, 3/8" Reach

The NGK 3841 (BR2-LM SOLID) Standard spark plug is a resistor-type nickel alloy plug. NGK designs it as an OE-quality replacement for small engine and lawn and garden equipment, including mowers, trimmers and other outdoor power equipment. It has a 14mm thread, a 3/8" reach and a heat range of 2.

Key Features:

• Nickel alloy center and ground electrodes with a solid copper core for heat dissipation, conductivity and a broad heat range
• High-grade alumina silicate ceramic insulator for strength, heat transfer and dielectric performance
• Corrugated insulator ribs help prevent flashover
• Triple-seal construction helps prevent combustion gas leakage
• Trivalent metal plating resists corrosion and seizing, which makes installation and removal easier
• Built-in resistor (about 10k ohm) to suppress radio frequency interference
• Solid, non-removable terminal nut

Specifications:

• Manufacturer plug number: BR2-LM SOLID (BR2LM)
• Thread size: 14mm x 1.25mm
• Reach: 0.375 in (9.5mm)
• Hex size: 13/16 in (21mm)
• Seat type: Gasket (flat)
• Heat range: 2
• Pre-set gap: 0.028 in (0.7mm)
• Ground electrodes: 1, standard design
• Insulator: Non-projected, ceramic
• Resistor: Yes
• Torque: 18-25.3 lb-ft in cast iron heads; 18-21.6 lb-ft in aluminum heads

NGK Spark Plugs (U.S.A.), Inc. is a leading OE supplier of spark plugs. This plug is a dependable, cost-effective choice for routine ignition maintenance.