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Denso 5323 Spark Plug
| Brand | Denso 5323 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Tapercut, u-groove |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | 0.8 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16.0 |
| Manufacturer Heat Range | 31 |
| Seat Type | Flat |
| Reach | 19.00 |
| Thread Diameter | 14.00 |
| Fits | — |
Iridium Power. Features Denso's smallest iridium center electrode for sharper ignition performance.
Tapercut, U-Groove. Ground electrode design helps promote a stronger, more efficient spark.
Flat-seat spark plug with standard configuration for straightforward replacement.
Cross-references DENSO Auto Parts IQ31 for the same application. See all 1.
Denso Iridium Power Spark Plug 5323
Denso Iridium Power spark plug 5323 is built for drivers who want precise ignition performance from a compact iridium design. It uses a 0.4 mm iridium center electrode, a 14.0 mm thread diameter, and a 19.0 mm reach for applications that call for this OE-style fitment.
The Iridium Power line focuses on fine-wire electrode construction and stable spark delivery. For shoppers searching for a Denso spark plug for Honda Civic or Toyota Corolla ignition service, part number 5323 offers a technical replacement option with a 0.8 pre-gap and 5000 ohm resistance.
Key Features
- Iridium center electrode with 0.4 mm tip for focused spark delivery
- Tapercut and U-groove ground electrode tip design
- Nickel ground electrode core with copper center electrode core
- 5000 ohm resistance for ignition system compatibility
- Flat seat design, 16.0 mm hex size, and 31 heat range
- Compatible with applications requiring 14.00 mm thread diameter and 19.00 mm reach
Detailed Product Overview
Denso 5323 is a secondary ignition spark plug engineered around the Iridium Power platform. The fine iridium center electrode helps concentrate the spark, while the tapercut and U-groove ground electrode design supports consistent ignition performance in the correct application. This part cross-references DENSO Auto Parts IQ31 for the same application.
Use this spark plug when servicing vehicles that specify this thread size, reach, seat type, and heat range. It is a direct-fit style choice for owners looking for a Denso Iridium Power spark plug 5323 replacement during routine tune-up work on vehicles such as Honda Civic and Toyota Corolla, where the correct ignition component matters for stable combustion.
Common Issues This Part Can Address
- Hard starting caused by worn spark plug electrodes
- Misfire conditions from degraded ignition performance
- Rough idle related to inconsistent spark delivery
- Reduced throttle response from aged secondary ignition components
- Maintenance replacement for plugs with excessive wear or fouling
Installation Notes and Tips
Verify the required thread diameter, reach, seat type, heat range, and resistance before installation. Confirm the specified pre-gap for the application and inspect the ignition system for wear, carbon tracking, or coil issues before installing part number 5323. Use the vehicle service specification for final torque and gap verification.
Quality Assurance
Denso Iridium Power spark plugs are built to support precise ignition service with fine-wire iridium construction and application-specific dimensions. Part number 5323 is intended for vehicles that call for this exact plug specification, including select Honda Civic and Toyota Corolla applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
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