/live/media/NP/NP_5754_Fro.jpg)
Denso 5754 Spark Plug
| Brand | Denso 5754 |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Ground Configuration | Slant |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Full Platinum |
| Hex Size | 20.6 |
| Manufacturer Heat Range | 27 |
| Pre-Gap Size | 1.1 |
| Reach | 21.00 |
| Resistance | 5000 |
| Seat Type | Flat |
| Thread Diameter | 14.00 |
| Product line | Iridium Racing |
| Fits | Mazda · 8 vehicles |
Iridium Racing. Race-focused spark plug for serious enthusiasts.
Iridium tip. Promotes strong ignition performance with a durable electrode.
Flat seat. Designed for a secure, precise spark plug fit.
Cross-references DENSO Auto Parts IRL01-27 for the same application. See all 1.
Denso Iridium Racing Spark Plug for RX-8
Denso Iridium Racing 5754 is a race-focused spark plug built for serious Mazda RX-8 owners who want a precise ignition component for demanding use. It is specified for 2004-2011 Mazda RX-8 Leading applications and uses an iridium center electrode with a platinum ground tip for stable spark delivery.
Key Features
- Brand: Denso Iridium Racing
- Part number: 5754
- Fits 2004-2011 Mazda RX-8, Leading
- Iridium center electrode tip material
- Full platinum ground electrode tip design
- Nickel ground electrode core material
- Copper center electrode core material
- Pre-gap size: 1.1 mm
- Resistance: 5000
- Manufacturer heat range: 27
- 14.00 mm thread diameter, 21.00 mm reach, flat seat
Product Details
The Denso Iridium Racing line is aimed at high-demand ignition service where consistent spark characteristics matter. On this Denso 5754 spark plug, the iridium center electrode and platinum ground tip are paired with a slant ground configuration to support reliable ignition performance in the Mazda RX-8 rotary engine’s leading plug position. The 20.6 mm hex size and flat seat help identify the correct service part for the application.
This part cross-references DENSO Auto Parts IRL01-27 for the same application.
Common Issues This Part Can Address
- Misfire caused by worn or inconsistent spark plug electrodes
- Hard starting related to degraded ignition performance
- Rough idle from weak spark delivery in the leading plug position
- Loss of throttle response from aged ignition components
- Service replacement for Mazda RX-8 ignition maintenance
Installation Notes
Verify the vehicle uses the leading plug position before ordering. Confirm thread diameter, reach, seat type, and heat range against the original specification for your Mazda RX-8. Use the correct gap specification for the engine setup and inspect the ignition system for wear before installation.
Quality Assurance
Denso manufactures this Iridium Racing spark plug as a performance-oriented ignition component for demanding service conditions. Part number 5754 is built to the listed specifications for 2004-2011 Mazda RX-8 Leading applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| 2010 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| 2009 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| 2008 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| 2007 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| 2006 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| 2005 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| 2004 | Mazda | RX-8 | N/A | Leading; Iridium Racing |
| No rows match your filter. | ||||