NGK Iridium Spark Plug IZTR5B11

Part Number: IZTR5B11
NGK Spark Plugs
NGK Spark Plugs
NGK Iridium Spark Plug IZTR5B11 Sparesbox - Image 1
NGK Iridium Spark Plug IZTR5B11 Sparesbox - Image 2
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NGK Iridium Spark Plug IZTR5B11 Description

  • NGK are the worlds largest manufacturer of Spark Plugs
  • Long service interval life and better ignitability than conventional spark plugs
  • Designed to meet or exceed OE Spark Plug standards
  • 60,000km Service Life
With the smallest tip diameter available, OE Iridium spark plugs provide superior ignitability and long service life. The iridium/platinum surfaces ensure a slow wear rate, providing stable idle and superior anti-fouling.

- Laser-welded iridium center electrode tip
- Platinum disc welded to backside of ground electrode provides long life
- Trivalent metal plating for superior anti-corrosion and anti-seizing
- Faster starts and quicker acceleration
- Better fuel economy and lower emissions
- Best OEM Iridium spark plug available
- OEM-approved design


Engine Codes
  • L76
  • L77
  • L98
  • LS2
  • LS3
Part NumberIZTR5B11
TypesSpark Plugs - Iridium
WarrantyManufacturers warranty


We offer FREE shipping on all orders over $99 to metropolitan or regional addresses (excludes big and bulky items).

Orders of less than $99 and orders shipped to rural addresses are subject to a shipping fee that is calculated at checkout. See full shipping details here.


We offer 100% Fitment Guarantee, but if you choose to return an item we offer a generous 60 day returns policy with a full refund. See returns policy and fitment information here.


All products sold by Sparesbox are sold under the Manufacturer’s warranty and conditions from the date of purchase, unless otherwise stated on the item.

Warranty claims must meet certain criteria and be sent to Sparesbox with a receipt to be eligible for a refund. See full warranty claim criteria here.

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