Denso W27ESR-U U-Groove Spark Plug

The Denso W27ESRU U-Groove Spark Plug delivers exceptional performance and reliability for your engine. Manufactured by Denso, a trusted original equipment supplier, this spark plug ensures optimal combustion and efficient operation, improving overall engine performance and fuel economy.

Description

The Denso W27ESRU spark plug features a copper core center electrode that provides superior thermal conductivity, efficiently dissipating heat and preventing overheating. The unique five-rib insulator design reduces flashover and minimizes voltage loss, ensuring a consistent and powerful spark. Its dual copper and glass seal creates a gas-tight bond between the center electrode and insulator, preventing leaks and maintaining optimal compression. The U-Groove ground electrode enhances ignitability, leading to improved combustion efficiency and reduced emissions. This resistor-type spark plug is designed for dependable performance in demanding conditions and is an excellent choice for enthusiasts and professionals alike. With a 14 mm thread size and 19.1 mm (3/4") thread reach, installation is straightforward and ensures a secure fit.

Features & highlights

• Enhanced thermal conductivity with copper core center electrode.
• Reduced flashover and voltage loss with unique five-rib insulator.
• Gas-tight seal with dual copper and glass construction.
• Improved ignitability with U-Groove ground electrode design.
• Reliable performance in demanding conditions.
• Maintains optimal compression for consistent combustion.
• Designed for efficient heat dissipation and long life.

Technical specifications

• Brand: Denso
• Product Name: Spark Plug
• Vendor Part Number: W27ESR-U
• Electrode Tip Material: Nickel Alloy
• Center Electrode Type: Standard
• Center Electrode Projection: Non-Projected
• Ground Electrode Shape: U-Groove
• Heat Range: 27
• Hex Size: 20.6 mm (13/16")
• Spark Gap: 0.7 mm
• Terminal Configuration: Threaded Stud
• Thread Reach: 19.1 mm (3/4")
• Thread Size: 14 mm
• Type: Resistor
• Units: Each

Important to know

Ensure that the Denso W27ESRU spark plug is the correct fitment for your specific engine. Refer to your vehicle's service manual or consult a qualified mechanic for compatibility information. Proper installation is crucial for optimal performance.