Bosch 6739 Platinum Spark Plug with Resistor

The Bosch 6739 is an OE Fine Wire Platinum spark plug designed to deliver improved ignitability and fuel efficiency for a wide range of automotive applications. This suppressed (resistor-type) spark plug features advanced platinum technology that provides superior performance and extended service life compared to conventional copper core spark plugs.

Key Features:

• Platinum firing pin on center electrode for enhanced durability and longevity
• Fine wire design requires up to 24% less voltage to ignite compared to standard copper plugs
• Tapered ground electrode allows for better ignition throughout the plug's service life
• Built-in resistor suppresses radio frequency interference (RFI) to protect vehicle electronics
• Pre-gapped at the factory for quick, hassle-free installation
• Nickel-plated rolled threads eliminate the need for anti-seize compound
• Up to 2 times longer service life compared to standard copper spark plugs

Engineered to meet or exceed OE specifications, the Bosch 6739 platinum spark plug represents an economical upgrade from conventional copper plugs while delivering reliable ignition, improved fuel economy, and reduced emissions. The resistor design ensures compatibility with modern vehicle electronics and on-board computer systems by minimizing electrical interference.