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DENSO 3491 Iridium Long Life Spark Plug

(Toyota Tacoma 2017, Highlander 2017, Supra 1986-92; Pontiac Firebird 1993-2002; Lexus GS350 2016, RX350 2016, RX450h 2016, RC F 2015-16 + 7 more models)

Part of: DENSO Iridium Long Life Spark Plug

Other options in this family: DENSO 3534 DENSO FK16HQR11#4 DENSO SK20R-P11 DENSO 3494 DENSO 3518

Manufacturer

Picture for manufacturer DENSO

Part Number

3491
9 reviews
Sale Price

$16.04

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The DENSO 3491 Iridium Long Life spark plug delivers superior ignition performance and extended service life for your vehicle. Engineered to meet the strictest OE performance standards, this premium spark plug features an ultra-fine 0.6mm iridium center electrode that provides excellent ignitability and durability.

Key Features:

  • Iridium construction ensures longer life compared to conventional plugs
  • Superior ignitability for improved fuel efficiency and performance
  • Manufactured to OE durability and emissions standards
  • Precision-engineered for reliable cold starts and smooth acceleration
  • Extended replacement intervals reduce maintenance costs

DENSO iridium spark plugs are trusted by automotive professionals worldwide for their exceptional quality and reliability. This plug provides consistent performance throughout its service life, helping maintain optimal engine efficiency and reduced emissions.

Products specifications

Fits

Toyota Tacoma 2017, Highlander 2017, Supra 1986-92; Pontiac Firebird 1993-2002; Lexus GS350 2016, RX350 2016, RX450h 2016, RC F 2015-16, GS450h 2013-16; Jaguar XJ8 1998-2003, XJR 1998-2003; Mercedes-Benz C320 2002-04, C240 2003-05 + 2 more models

Manufacturer Heat Range

20

Ground Electrode Core Material

Nickel

Seat Type

FLAT

Pre-Gap Size

0.8

Center Electrode Tip Material

Iridium

Ground Electrode Quantity

3

Center Electrode Core Material

Copper

Thread Diameter

14.00

Resistance

5000

Ground Configuration

Needle-to-Needle

Reach

26.50

Ground Electrode Tip Design

Platinum Needle

Hex Size

16.0

so far so good, however, the promotional cleaning wipes were not included

so far so good easy check out! Arrived before expected!

I had a coupon emailed for 30% off shipping but it seemed to have expired. Not a big deal.

Had the part i needed without high shipping costs

so far so good. I hope it's the right size.

Great prices and they use paypal.

Autoplicity has made my parts search so much easier. With the best price gurantee, i can now make autoplicity my one-stop shop for all my parts needs.

Very satisfied. Will definitely shop here again in the future when the need arises.

Product was as described. Came very quickly...thanks.

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