NGK spark plug DCPR8E

The NGK DCPR8E spark plug is a standard ignition spark plug that offers reliable performance and broad compatibility for engines including scooters, quads, boats, and light-duty vehicles. Designed for consistent ignition and long service life, this is the direct replacement trusted by both professional mechanics and DIY enthusiasts.

• Brand & model: NGK DCPR8E (4339) – part number and brand name synonymous with reliable performance and global availability.
• Thread size: 12 mm thread size for compatibility with a wide range of engines.
• Thread reach: 19 mm reach, making it suitable for engines with various recessed depths.
• Seat type: Gasket seat for a reliable seal and reduced risk of combustion chamber leaks.
• Resistor type: Resistor spark plug that suppresses EMI/radio interference and supports stable ignition.
• Center electrode: Nickel center electrode for robust performance and durability under standard driving conditions.
• Ground electrode: Single ground electrode that ensures a compact design and efficient spark jump.
• Pre-set gap: Pre-set spark gap of 0.028 inch (≈0.7 mm) for fast installation and consistent spark ignition.
• Hex size: 16 mm (5/8") wrench flat for use with a wide range of spark plug sockets.
• MPN: JU-4339 – official part number for hassle-free ordering and accurate replacement.

This spark plug delivers consistent sparks across a variety of conditions, leading to improved ignition, more efficient combustion, and a lower risk of misfires. Thanks to the gasket seat seal and pre-set gap, installation is straightforward and precise, saving time during maintenance or replacement. As a renowned NGK product, users can count on quality, reliability, and long service life, ensuring your engine starts and runs smoothly and reliably in both cold and hot driving environments.