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The GM ACDelco R43S Spark Plug is designed to provide reliable ignition, smooth engine performance, and long-lasting durability for GM engines. Featuring a copper core and nickel alloy electrode, it ensures consistent spark and effective heat dissipation. Ideal for conventional ignition systems, the R43S offers dependable cold-start performance, improved fuel efficiency, and smoother operation across a variety of GM vehicles.
🔧 Copper core ensures strong spark and efficient heat transfer
🔧 Nickel alloy electrode resists fouling, corrosion, and wear
🔧 Pre-gapped for quick and precise installation
🔧 Provides smooth idle and reliable cold-start performance
Brand & Part Number: ACDelco R43S
Material: Copper Core with Nickel Alloy Electrode
Thread Size: 14mm
Reach: 0.46 in. (11.7mm)
Gap: Pre-gapped (~0.035 in.)
Count on ACDelco R43S for reliable ignition and smooth engine performance! 🔧