Description:
The Autolite 847 Copper Spark Plug is engineered to deliver dependable ignition performance, quick starts, and consistent engine power. Its copper core center electrode provides excellent heat transfer, helping maintain proper operating temperatures and improving resistance to fouling.
Designed with high nickel alloy center and ground electrodes, this spark plug offers increased durability and extended service life. The high alumina multi-rib ceramic insulator enhances electrical insulation and heat dissipation, supporting reliable spark delivery and stable combustion. A corrosion-resistant nickel-plated shell helps protect the spark plug from rust and wear, ensuring long-term reliability.
Autolite copper spark plugs are built to meet performance expectations across many gasoline engine applications, providing reliable ignition and smooth engine operation.
Features:
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Copper core center electrode improves heat transfer and reduces fouling
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High nickel alloy center and ground electrodes enhance durability and service life
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Multi-rib ceramic insulator improves insulation and heat dissipation
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Nickel-plated shell helps resist corrosion for extended spark plug life
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Designed for dependable ignition performance and quick engine starts
Product Specifications:
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Part number: 847
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Brand: Autolite
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Product type: Copper spark plug
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Center electrode core material: Copper
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Center electrode tip material: Nickel
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Ground electrode core material: Nickel
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Ground electrode tip material: Nickel
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Ground configuration: Single
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Ground electrode quantity: 1
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Thread diameter: 14 mm
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Seat type: Flat
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Washer included: Yes
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Reach: 9.50 mm
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Hex size: 21 mm
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Resistor type: Yes
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Resistance: 5000 ohms
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Pre-gap size: 1.778 mm
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Manufacturer heat range: 5
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Insulator material: Ceramic
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Center electrode design: Standard
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Center electrode projection: Mid projection
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Electrical terminal type: Non-removable nut
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Skirt: Yes