Bosch 79157 Copper with Nickel Spark Plug

The Bosch 79157 Copper with Nickel Spark Plug delivers reliable ignition performance and durability for a wide range of automotive applications. This spark plug features Bosch's proven copper and nickel technology designed to meet or exceed OE specifications.

Key Features:

• Yttrium-enhanced nickel-copper center electrode provides up to 50% longer service life compared to standard copper plugs
• Copper core delivers superior heat transfer for broader heat range, resisting pre-ignition and deposit buildup
• Metal glass fused resistor maximizes interference suppression for clean electrical performance
• Ribbed insulator design prevents misfire caused by flashover and current leakage
• Nickel-plated rolled threads offer superior corrosion resistance and eliminate the need for anti-seize compound
• Pre-gapped at the factory for convenience

Engineered to restore factory performance levels, the Bosch 79157 combines proven materials with precision manufacturing to ensure consistent spark delivery, optimal fuel efficiency, and reliable engine operation. Easy to install with nickel-plated threads that thread smoothly and remove cleanly during service intervals.