DENSO part description

Features & Benefits

  • Spark plug for standard ignition system replacements
  • Threaded for smooth installation and removal
  • Meets OEM gap and heat range specifications
  • Used during tune-ups or misfire diagnosis
  • Compatible with a range of passenger vehicles

Denso Spark Plug

The Denso Spark Plug provides a consistent ignition point for gas-powered engines, supporting balanced combustion across all cylinders. With a ground strap and center electrode configured to industry standards, it fits a wide variety of automotive and light truck applications. The plug threads in with ease and seats cleanly into the cylinder head, helping avoid misfires tied to inconsistent spark. Many use the Denso W9EXR-U during scheduled ignition system updates or after a check-engine light points to a misfire. 

DENSO W9EXR-U Cross Reference

We have 2 alternatives for the W9EXR-U by DENSO:

For more than 50 years, Denso® has been the leading starter and alternator supplier in the world, keeping the most powerful heavy-duty trucks and trailers operating on and off the highway. In addition to conventional starters, it also offers a wide range of A/C components, sensors, filters, spark plugs, fuel injection components, and other automotive service parts. All Denso® factories are QS9000 and ISO9000 certified with a “zero defects” standard to ensure only the highest level of quality on all Denso products. Founded in 1949, Denso continues to develop and produce premium electrical components and other automotive parts to cater to its customers’ changing heavy-duty truck and trailer needs.

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