NGK 2202 Spark Plug

NGK Iridium IX Spark Plug 2202 Overview

NGK Iridium IX Spark Plug 2202 is built for drivers who want a precise ignition component with iridium center electrode technology, a copper core, and a 5,000 ohm resistor for stable spark performance. The DPR8EIX-9 design is a direct-fit style spark plug for applications that call for a 12 mm thread, .75 reach, flat seat, and .036 pre-gap.

NGK’s Iridium IX line focuses on durable ignition performance for modern gasoline engines, combining fine-wire iridium construction with OE-level manufacturing standards. For shoppers searching NGK 2202 spark plug, DPR8EIX-9, or Iridium IX Spark Plug 2202 for Honda and Yamaha applications, this part delivers the core specifications needed for accurate replacement selection.

Key Features

• Iridium center electrode tip material for consistent spark delivery
• Copper center electrode core for efficient heat transfer
• Nickel ground electrode core material with standard ground configuration
• Taper cut ground electrode tip design
• 5,000 ohm resistance for ignition system noise control
• Pre-gapped at .036 for specified applications
• 12.00 mm thread diameter, .75 reach, and flat seat design
• Removable nut terminal type
• Manufacturer heat range 8

Detailed Description

NGK Part Number 2202, also identified as DPR8EIX-9, is an Iridium IX spark plug engineered for engines that require a 12 mm, flat-seat plug with a .75 reach and 18 mm hex. The iridium tip supports fine-wire ignition performance, while the copper core and nickel ground electrode help manage heat and durability in demanding operating conditions. This spark plug is a strong match for owners searching for NGK 2202, DPR8EIX-9, or iridium spark plug replacement options for Honda and Yamaha engine applications.

NGK’s long OE manufacturing background is reflected in the precise construction and broad application coverage of this spark plug family. If your vehicle or engine specification calls for the listed dimensions and heat range, this plug provides the correct technical profile for replacement service.

This part cross-references DENSO Auto Parts 5376 for the same application.

Common Problems This Part Can Address

• Hard starting caused by worn or fouled spark plugs
• Misfire conditions from weak or inconsistent ignition spark
• Rough idle related to degraded plug electrodes
• Reduced throttle response from ignition wear
• Service replacement needs for specified Honda and Yamaha spark plug applications

Installation Notes and Tips

Verify thread diameter, reach, seat type, heat range, and pre-gap against the engine specification before installation. Use the removable nut terminal only when the ignition lead or coil connection requires it, and confirm the plug gap matches the engine’s service requirement if adjustment is needed. For fitment-based searches, this NGK 2202 spark plug is commonly referenced for Honda and Yamaha applications that call for the DPR8EIX-9 specification.

Quality Assurance

NGK is a major OE spark plug supplier with decades of automotive manufacturing experience and North American distribution support. The Iridium IX line is produced to meet original-equipment standards for durability and operational performance.