Description
Autolite 3924 Copper Core Resistor Spark Plug
Copper Core Electrode: Enhances thermal conductivity and resists fouling
Nickel Alloy Electrodes: Provide durability and consistent performance
Multi-Rib Ceramic Insulator: Prevents flash-over and improves dielectric strength
Cold-Formed Steel Shell: Precision-rolled threads for better engagement
Reliable Starts & Combustion: Designed for consistent ignition and fuel efficiency
OE Replacement: Suitable for a wide range of domestic and import vehicles
Key Features
- Thread Size: 14mm x 1.25
- Reach: 0.708 in (17.96 mm)
- Seat Type: Tapered
- Hex Size: 5/8 in (16 mm)
- Gap: Preset to 0.044 in (1.12 mm)
- Resistor Value: ~4000–5000 Ohms
- Center Electrode Core: Copper
- Center Electrode Tip: Nickel
- Ground Electrode Tip: Nickel
- Shell: Nickel-plated for corrosion resistance
- Insulator: High-alumina multi-rib ceramic
Refer to original manufacturer for any applicable warranties.
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