My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

NGK 90813 Laser Iridium Spark Plug TR5AI-13

(2003-2008 Mazda 6; 2006-2007 Mazda 5; 1994-2008 Mazda B3000; 1994-1997, 2001-2010 Mazda B2300; 1994-1996, 2003 Mazda B4000; 2001-2006 + 4 more models)

Manufacturer

Part Number

90813
Sale Price

$8.36

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The NGK 90813 Laser Iridium Spark Plug (TR5AI-13) delivers premium performance and exceptional longevity for demanding engine applications. This advanced spark plug features precision laser-welded iridium technology designed specifically for performance enthusiasts seeking maximum durability.

Key Features:

  • Laser-welded iridium center electrode tip provides durability six times harder than platinum
  • Fine wire design ensures high durability and consistently stable spark delivery
  • Platinum ground electrode pad reduces wear and extends service life to 80,000-100,000 miles
  • High-grade pure alumina ceramic insulator prevents overheating for reliable starts
  • 98% pure copper core enhances heat dissipation and thermal conductivity
  • Trivalent metal plating offers superior anti-corrosion and anti-seizing properties
  • 14mm thread size with tapered seat design
  • 0.708 inch (18mm) reach with resistor construction

Technical Specifications:

  • Thread Size: 14mm
  • Reach: 0.708 inches (17.98mm)
  • Seat Style: Tapered
  • Resistor: Yes
  • Installation Torque - Cast Iron: 10.8-18 lb-ft
  • Installation Torque - Aluminum: 7.2-14.5 lb-ft

The laser welding process creates pinpoint precision welds while reducing excess debris, decreasing the voltage required to bridge the spark gap. This results in improved ignitability, better acceleration, and enhanced engine performance compared to conventional spark plugs. Engineered to OE specifications and tested to the highest quality standards.

Cross-Reference Numbers: Replaces DENSO PT16TT, IT16TT, 4511, 4713; Bosch 9605, 9606, 9608; Motorcraft SP448, AGSF32YPC; Mazda L303-18-110, L845-18-110

Products specifications

Fits

2003-2008 Mazda 6; 2006-2007 Mazda 5; 1994-2008 Mazda B3000; 1994-1997, 2001-2010 Mazda B2300; 1994-1996, 2003 Mazda B4000; 2001-2006, 2008 Mazda Tribute; 1998-2001 Mazda B2500; 2000-2006 Mazda MPV; 1991-1994 Mazda Navajo

Stock Number

90813

Part Number

TR5AI-13

Seat Type

Tapered

Electrical Terminal Type

Non-Removable Nut

Ground Electrode Core Material

Nickel

Manufacturer Heat Range

5

Ground Electrode Quantity

1

Center Electrode Tip Material

Iridium

Insulator Height

53.00

Hex Size

5/8

Ground Configuration

Standard

Pre-Gap Size

.052

Center Electrode Core Material

Copper

Reach

.708

Ground Electrode Tip Design

Standard

Thread Diameter

14.00

Resistance

5000

Great online ordering. I found exactly what I wanted and had it ordered in less than 10 minutes from my PHONE!!! Simply wonderful!!!

Autoplicity had the best price for the product i was looking for. All items were shipped together and fit my truck.

Great Purchase.

Paypal checkout saves me a whole bunch of time. THANKS

Fast and efficient

easy website with great search engine and amazon check-out

Easy to use website, had the best price for the item I was looking for, and quick shipping! What else can you ask for?

Went great very easy

GOOD EXCEPT NEED BETTER METHOD TO SEARCH PRODUCT

Easy to locate products

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy