Search  for anything...
NGK

NGK Iridium IX Spark Plugs Compatible with Chevrolet Silverado 1500 5.3L 6.2L V8 2014-2024 (8 Pack)

  • Based on 0 reviews
Condition: New
Checking for the best price...

Buy Now, Pay Later


As low as $13.28 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon

Arrives Wednesday, Dec 24
Order within 18 hours and 1 minute
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Features

  • This Listing is for 8 LTR5IX11 NGK Spark Plugs
  • IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug; The corrosion-resistant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency
  • REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best; The durable shell reliably protects the spark plug from corrosion, ensuring long-lasting sparking capabilities; The center and ground electrodes promote sharper spark focus for fewer misfires
  • TRUST IN NGK NTK: Explore components built by the world leader in the design of spark plugs and oxygen sensors; Their attention to performance excellence is what has differentiated them from the competition and allowed them to be the number one supplier of spark plugs and oxygen sensors

Description

This part fits the following vehicles: Compatible with Chevrolet Silverado 1500 2014 - 5.3L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2014 - 6.2L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2015 - 5.3L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2015 - 6.2L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2016 - 5.3L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2016 - 6.2L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2017 - 5.3L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2017 - 6.2L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2018 - 5.3L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2018 - 6.2L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2019 - 5.3L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2019 - 6.2L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2020 - 5.3L V8;Gap 0.040" Compatible with Chevrolet Silverado 1500 2020 - 6.2L V8;Gap 0.040"

Brand: NGK


Core Material: Iridium


Thread Size: 14mm


Top Material Type: Iridium


Vehicle Service Type: Chevrolet Silverado 1500 5.3L V8, Chevrolet Silverado 1500 6.2L V8


Brand: ‎NGK


Core Material: ‎Iridium


Thread Size: ‎14mm


Top Material Type: ‎Iridium


Vehicle Service Type: ‎Chevrolet Silverado 1500 5.3L V8, Chevrolet Silverado 1500 6.2L V8


Automotive Fit Type: ‎Vehicle Specific Fit


Manufacturer: ‎NGK


Model: ‎NGK Iridium IX Spark Plug


Item Weight: ‎14.1 ounces


Product Dimensions: ‎3.7 x 0.94 x 6.64 inches


Item model number: ‎4344 LTR5IX11 LTR5IX-11


Manufacturer Part Number: ‎4344


Position: ‎Center


Date First Available: July 26, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Dec 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great Quality and Price👍🏼
Bought it for my Silverado 2014 5.3, tuned with several mods, as far as right now with 6,000 miles already they been working good, looks better quality spark plugs than the Ace Delco brand
Reviewed in the United States on November 12, 2025 by Edgar A.

  • 2015 Tahoe 5.3
Fit perfect and notice better gas milage and quicker start ups on my Tahoe it has a 5.3
Reviewed in the United States on December 2, 2025 by Cesar A Sanchez Cesar A Sanchez

  • Good spark plugs
Fit and worked great
Reviewed in the United States on November 3, 2025 by Logan M

  • Works great
Worked great and saved money, same plugs you can get from the parts store for a fraction of the price.
Reviewed in the United States on October 30, 2025 by D'Anthony Wiley

  • Good quality
Work good
Reviewed in the United States on October 25, 2025 by caleb gore

  • Great Product for a Great Price
Great brand of spark plugs. I will only use this brand for future jobs.
Reviewed in the United States on September 1, 2025 by Antonio

  • It's exactly what I ordered
Very good product, and shipped fast
Reviewed in the United States on December 13, 2025 by Raymond R

  • They fit
They fit really good. And work great. No gaping needed
Reviewed in the United States on December 3, 2025 by Fernando Lopez

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...