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Spark Plug (Denso) for 2004-2011 Mazda RX-8 NEW

$ 57 .82
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

⚠️ Most jobs typically require 2 of this item.
Gap 0.044 Trailing Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Spark Plug - Iridium Racing
No-compromise, top of the line race spark plug for the most serious enthusiast.
Brand: Denso
Condition: New
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Specifications & Info


Attribute Value
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 31
Pre Gap Size 1.1
Reach 19.0
Resistance 5000.0
Seat Type Flat
Thread Diameter 14.0

Vehicle Fitment Guide

This part fits the following vehicles:

Mazda 1 model (tapclick to expand)(tapclick to hide)
RX-8 2004-2011 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
40th Anniversary Edition Coupe 2008 R2 1.3L RWD Automatic & Manual
Base Coupe 2004 - 2007 R2 1.3L RWD Automatic & Manual
GS Coupe 2008 - 2009 R2 1.3L RWD Automatic & Manual
GT Coupe 2008 - 2011 R2 1.3L RWD Automatic & Manual
Grand Touring Coupe 2008 - 2011 R2 1.3L RWD Automatic & Manual
R3 Coupe 2009 - 2011 R2 1.3L RWD Manual
Shinka Coupe 2005 R2 1.3L RWD Automatic & Manual
Sport Coupe 2008 - 2011 R2 1.3L RWD Automatic & Manual
Touring Coupe 2008 - 2009 R2 1.3L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

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Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
No-compromise, top of the line race spark plug for the most serious enthusiast.

Interchange Parts

Brand Part Number
DENSO Auto Parts IRT01-31
NAPA Mileage Plus 5752

Fits Years: 2004 2005 2006 2007 2008 2009 2010 2011

Fits Models: RX-8

Expert Guides

Related Trouble Codes (OBD-II)

2 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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120
Day Return Window

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Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

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