Description:
The ACDelco R43XLS GM Original Equipment Conventional Spark Plug is engineered and validated by General Motors to meet strict OE performance standards. Designed as a direct replacement for factory-installed components, this spark plug delivers reliable ignition performance and efficient engine operation.
A copper core center electrode provides excellent heat transfer to help maintain proper operating temperatures and improve durability. The nickel alloy center electrode tip and nickel ground electrode support long-lasting performance, while the resistor design helps reduce electrical interference.
ACDelco GM Original Equipment parts are the same components installed during vehicle production or validated by GM engineers, ensuring proper fit, function, and reliability for many Chevrolet, Buick, GMC, and Cadillac vehicles. These spark plugs may also be suitable for certain marine applications.
Features:
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GM Original Equipment spark plug engineered and validated by General Motors
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Copper core center electrode for efficient heat transfer and durability
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Nickel alloy electrode tip supports consistent ignition performance
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Resistor design helps reduce electrical interference
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Designed for reliable ignition and efficient engine operation
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OE-style replacement for many GM vehicles
Product Specifications:
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Part number: R43XLS
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Product line: ACDelco GM Original Equipment
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Center electrode core material: Copper
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Center electrode tip material: Nickel alloy
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Ground electrode core material: Nickel
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Ground electrode quantity: 1
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Thread diameter: 14 mm (0.55 in)
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Seat type: Gasket
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Reach: 0.75 in (19.05 mm)
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Hex size: 13/16 in
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Resistor type: Yes
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Pre-gap size: 0.03 in (0.86 mm)
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Manufacturer heat range: 3
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Package quantity: 4