Sale

Ignitions and Electrical› Ignition Components

Autolite

Iridium Power Spark Plug

$20.62 $11.49 Save $9.13

SKU: AI5682

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Autolite AI5682 is an iridium spark plug designed as an OE replacement. It features a laser-welded, finewire iridium center electrode for optimal fuel efficiency, acceleration, and focused ignitability. The spark plug also includes a nickel-plated shell to resist corrosion and a high-alumina ceramic insulator for increased strength.
Show original supplier description
The Autolite AI5682 is an engineered OE replacement iridium spark plug, specifically designed as an Ultra Finewire model. Its core benefit lies in the laser-welded, finewire iridium center electrode, which is crafted to provide optimal fuel efficiency, improved acceleration, and focused ignitability. This advanced design aims to enhance overall engine performance and responsiveness. Constructed with a nickel-plated shell, this spark plug offers robust resistance to corrosion, ensuring longevity in various engine conditions. The high-alumina ceramic insulator provides increased strength, contributing to the plug's durability and reliability. The ground electrode features proprietary platinum sidewire technology and a tapered design, working in conjunction with the finewire iridium center electrode for consistent and powerful sparks. This Autolite Iridium Ultra Finewire spark plug is compatible with a wide range of vehicles, including various model years of Acura, Alfa Romeo, Honda, Infiniti, Mazda, Mercedes-Benz, Nissan, and Subaru. Specific fitments include models such as the 2009-2020 Nissan GT-R, 2015-2023 Acura TLX, and 2013-2022 Honda Accord. It is important to verify fitment for your specific vehicle's year, make, model, and engine.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAutolite
Part NumberAI5682
CategoryIgnitions and Electrical
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy