Description

Denso W9EXR-U spark plug is a nickel U-Groove type plug designed for standard ignition system replacements.
Specifications

Electrode Gap: 0.8 mm
Thread Diameter: 14 mm
Thread Reach: 19 mm
Hex Size: 20.6 mm
Terminal Type: Solid
Resistor Type: Yes
Heat Range: 9
Center Electrode Material: Nickel
Ground Electrode Design: U-Groove
Torque Specs:

Cast Iron: 26–30 lb-ft
Aluminum: 15–22 lb-ft
Applications

Commonly used in passenger vehicles and light trucks
Ideal for scheduled tune-ups or when diagnosing misfires
Compatible with a wide range of gas-powered engines
Provides consistent ignition and balanced combustion across cylinders
Autolite 66
Denso 6044
Champion RN14YC
NGK BPR2ES / NGK 2264
Motorcraft AGS52CF4
Torch F2RT / F2RTC
Typical Applications

Golf carts (e.g., Yamaha models)
Small utility vehicles
Lawn equipment
Motorcycles and ATVs
Older Japanese vehicles (some Mazda and Toyota models)
Marine engines
Generators and industrial engines