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Receive Up To 25% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ25 at checkout to receive 25% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Shocks & Struts, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, Chassis, CV Axles, Batteries, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Outdoor Lifestyle, Towing, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Air Filters, Oil Filters, Bearings & Seals and Engine Parts.

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 9/24/17.

Receive 25% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER25.

Receive 10% Off Select Champion, MOOG and FelPro branded products with your online purchase. Use promotional codes: CHAMP10, MOOG10 and/or FELPRO10.


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Autolite XP Finewire Iridium Spark Plug 813778
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  • Part #: XP5684|
  • SKU: 813778

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    • Iridium-Enhanced Center Electrode for improved durability & wear resistance
    • .6mm Finewire Design improves ignitability
Sale Price
$6.99
$5.98

Autolite XP Finewire Iridium Spark Plug

These spark plugs are one of the brand's most technologically advanced spark plugs ever. With an iridium-enhanced .6 mm finewire design and proprietary platinum sidewire technology, these spark plugs provide better overall durability and a more focused ignition for better overall ignitability and optimum performance
  • Iridium-Enhanced Center Electrode for improved durability & wear resistance
  • .6mm Finewire Design improves ignitability
  • "V"- Trimmed Platinum Sidewire Technology resists wear
  • OE form, fit & function
  • Designed for better overall durability with virtually no gap erosion
  • Five Year Limited Guarantee
Since its inception, the Autolite brand has provided the automotive aftermarket and Original Equipment manufacturers the highest quality ignition products. As a leading supplier of spark plugs, ignition wire sets and Coil-on-Plug boots, the Autolite brand has the right ignition products for you, regardless of your vehicle make or model.

813778

Autolite XP Finewire Iridium Spark Plug is rated 4.5 out of 5 by 13.
Rated 5 out of 5 by from The best I ever used I have a 2001 Dodge Ram with over 240,000 miles and my last tune-up I used the Autolite plugs and I have regained gas mileage and power to the engine.
Date published: 2015-05-30
Rated 1 out of 5 by from Not GOOD. I bought 4 plugs for a VW Jetta. I completed the installation and the check engine light came on. It took me 2 hours to determine which plug was bad. The upside is I was given a new plug for free. The down side is this job took me three times longer than it should have. I will never buy Autolite plugs again.
Date published: 2014-12-28
Rated 5 out of 5 by from autolite iridium spark plugs iridium spark plugs, are the only plugs I trust to last for 50,000 + miles, without negatively affecting the operation of my car.
Date published: 2014-12-19
Rated 5 out of 5 by from very good !!! It was my first spark plugs for DIY. I replaced it by myself and the car runs smoothly. The rebate was also very good. I recommend this items.
Date published: 2014-10-21
Rated 5 out of 5 by from my check engine light is off!!!! Bad plug Ordered online for the discount went to store 30 minutes later for pick-up really easy, and less than instore purchase! Saved some $$
Date published: 2014-10-13
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