Denso 3062 Spark Plug

Denso 3062 U-Groove Conventional Spark Plug

Denso 3062 is a conventional spark plug built around a U-Groove ground electrode design for improved ignitability and more consistent combustion. It is a practical choice for drivers searching for a Denso spark plug for Honda Civic, Toyota Corolla, or other import applications that call for this specification.

Key Features

• U-Groove ground electrode tip design for stronger spark exposure
• Nickel ground electrode tip and nickel ground electrode core material
• Copper center electrode core material for stable heat transfer
• 0.8 pre-gap size for the specified ignition setup
• Flat seat design with 14.00 mm thread diameter
• 19.00 mm reach and 20.6 mm hex size
• Manufacturer heat range 20

Product Details

The Denso U-Groove Conventional line focuses on dependable ignition performance in a straightforward spark plug design. Part number 3062 uses a U-shaped ground electrode to expose more of the spark kernel, which supports cleaner ignition and efficient engine operation when matched to the correct engine specification. This spark plug cross-references DENSO Auto Parts W20EX-U for the same application. For shoppers comparing Denso 3062 against OE-style replacement options, the key dimensions and electrode materials make it a direct-spec choice for many secondary ignition service jobs.

Common Issues This Spark Plug Can Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from weak or inconsistent spark delivery
• Misfire symptoms tied to degraded ignition performance
• Reduced fuel efficiency from incomplete combustion
• Loss of throttle response from aging secondary ignition components

Installation Notes and Tips

Verify thread diameter, reach, seat type, and heat range before installation. Set the gap to the engine specification if adjustment is required, and inspect ignition wires or coils at the same time to avoid repeat misfire concerns. This part is commonly searched as a Denso 3062 spark plug for Honda Civic and Toyota Corolla service, so confirm the exact engine application before ordering.

Quality Assurance

Denso’s U-Groove Conventional spark plug line is built to deliver reliable ignition performance with OE-style construction and materials. Part number 3062 is engineered to meet the listed dimensions and electrode design for the specified application.