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

DENSO 5391 Iridium Power Spark Plug

(Hyundai Elantra 1996-2000; Porsche 911 2010-11; Honda Prelude 1992-96; Nissan 240SX 1989-94; KTM 300 EXC 1998-2004, 50 SX Mini 2008, 50 SX 2007 + 19 more models)

Manufacturer

Part Number

5391
Sale Price

$12.64

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 DENSO 5391 Iridium Power spark plug delivers superior ignition performance through advanced iridium technology. Engineered for improved throttle response and fuel efficiency, this premium spark plug is designed to meet the demanding requirements of modern engines.

Key Features:

  • Ultra-fine 0.4mm iridium center electrode - the world's smallest for maximum performance
  • Iridium alloy tip provides exceptional durability and wear resistance
  • Improved ignitability and combustion efficiency
  • Enhanced throttle response and acceleration
  • Better fuel economy compared to conventional spark plugs
  • Longer service life than standard copper or platinum plugs
  • OE-quality construction from a trusted automotive supplier

DENSO Iridium Power spark plugs are engineered to deliver consistent, reliable performance. The ultra-fine iridium center electrode requires less voltage to fire while focusing spark energy for more complete combustion, resulting in improved power output and reduced emissions.

Products specifications

Fits

Hyundai Elantra 1996-2000; Porsche 911 2010-11; Honda Prelude 1992-96; Nissan 240SX 1989-94; KTM 300 EXC 1998-2004, 50 SX Mini 2008, 50 SX 2007, 250 EXC 1997-2005, 300 MXC 1997-2004, 65 SX 2002-08, 250 MXC 1998-2001, 250 SXS 2006 + 14 more models

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Pre-Gap Size

0.8

Ground Electrode Quantity

1

Center Electrode Tip Material

Iridium

Ground Configuration

Standard

Center Electrode Core Material

Copper

Thread Diameter

14.00

Resistance

5000

Ground Electrode Tip Design

Tapercut, U-Groove

Manufacturer Heat Range

24

Hex Size

20.6

Reach

19.00

Great prices and quick shipping! They kept me informed of when the item was shipped also. Couldn't be happier!

easy to find what you are lokking for and fast shipping.

Great price.

Good seller with good communication. Would buy from again.

Execellent retailer. Easy to buy from online. Got product quickly at a great price. I highly recommend!

This place was great. Great service they really helped mr out and were fast and extremely helpful.

Fast shipping! Great product! Muffler sounds amazing and will buy again!

My name is Doug Raber and I tell you the truth when I say autoplicity is a great site to shop for auto parts. The prices are low and the customer service is excellent.

Good transaction, no problems, fast ship, quality product. Thanks

Seller was quick and hasle free to deal with. Will purchase again from this seller.

Share icon
Return Policy
Returns are easy at THMotorsports

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