Description:
The ACDelco R43TS GM Original Equipment Conventional Spark Plug is engineered and validated by General Motors to provide dependable ignition performance and efficient engine operation. Designed as a direct OE replacement, this spark plug meets rigorous GM standards for fit, form, and function.
A copper core center electrode helps promote excellent heat transfer, supporting proper operating temperatures and improved durability. The Black Onyx coating helps protect against corrosion, while the ribbed suppressor seal helps reduce the risk of spark flashover and misfires. Nickel-chrome alloy sheathing helps protect the center electrode from corrosion and wear.
ACDelco GM Original Equipment spark plugs are the same components installed during vehicle production or validated by GM engineers, ensuring compatibility and reliable performance in many Chevrolet, Buick, GMC, and Cadillac vehicles, as well as select 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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Black Onyx coating helps reduce corrosion
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Ribbed suppressor seal helps prevent spark flashover and misfires
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Nickel-chrome alloy sheathing helps protect the center electrode
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Resistor design helps reduce electrical interference
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Reliable OE replacement for automotive and select marine applications
Product Specifications:
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Part number: R43TS
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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 quantity: 1
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Thread diameter: 14 mm (0.55 in)
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Thread size: M14 × 1.25
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Seat type: Tapered
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Reach: 0.43 in (10.95 mm)
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Hex size: 5/8 in
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Resistor type: Yes
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Pre-gap size: 0.04 in (1.02 mm)
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Manufacturer heat range: 3
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Package quantity: 1
