ACDelco R45TSX Copper Spark Plug - 4 Pack - 19354430 GM OEM

The ACDelco GM R45TSX Spark Plug is designed for reliable ignition and efficient combustion in GM engines. Featuring a copper core and nickel alloy electrode, it provides consistent spark, effective heat dissipation, and resistance to fouling. Ideal for specific engine configurations requiring extended-reach plugs, the R45TSX offers dependable cold starts, smoother engine operation, and improved fuel efficiency.

Features & Benefits:

🔧 Copper core ensures strong spark and efficient heat transfer

🔧 Nickel alloy electrode resists fouling, corrosion, and wear

🔧 Extended-reach design for specific engine configurations

🔧 Pre-gapped for quick and precise installation

Specifications:

Brand & Part Number: ACDelco R45TSX

Material: Copper Core with Nickel Alloy Electrode

Thread Size: 14mm

Reach: 0.71 in. (18mm)

Gap: Pre-gapped (~0.035 in.)

Enhance ignition performance and fuel efficiency with ACDelco R45TSX spark plugs!

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