The PKQ VK16 5603 Iridium Spark Plug is a premium-quality replacement part designed for Toyota Corolla models with 1.5L 1NZ-FE engines, including NZE121 and NZE124. Manufactured in Japan and engineered with high-grade iridium electrodes, this spark plug ensures long-lasting performance, efficient ignition, and improved fuel economy. Perfect for daily drivers and engine tuning alike.
Key Features
Iridium Electrode – Offers better ignition, longer lifespan, and higher heat resistance than traditional plugs.
OEM Quality Fitment – Replaces part numbers: BKREY16V, 56035, IK16, 90919-01164, VK16-5603.
Enhanced Ignition Efficiency – Delivers stronger sparks for smoother combustion and better throttle response.
Flat Mounting Base – Provides stable installation and strong sealing for consistent performance.
Made in Japan – Precision-manufactured to meet international quality and reliability standards.
Available in Sets – Choose from 4PCS or 20PCS to suit personal or workshop use.
Why Choose PKQ Iridium Spark Plugs?
Iridium spark plugs like the PKQ VK16 are built to outperform conventional plugs in durability, ignition power, and fuel efficiency. Whether you’re upgrading or replacing worn plugs, this part is ideal for keeping your Toyota’s 1NZ-FE engine running smoothly and efficiently.
Specifications
Brand: PKQ
Model: VK16 5603
Material: Iridium (Electrode)
Type: Iridium Spark Plug
OEM Equivalent Part Numbers:
VK16-5603
BKREY16V
56035
IK16
90919-01164
Application: Toyota Corolla 1.5L 1NZ-FE (NZE121 / NZE124)
Calorific Value: Medium
Mounting Base: Flat
Country of Manufacture: Japan
Condition: 100% Brand New
Placement: Front (standard spark plug port)
Available Quantities: 4 PCS / 20 PCS
Package Includes
4x or 20x VK16 5603 Iridium Spark Plugs (based on selection)
Important Notes
Verify engine code (1NZ-FE) and part number compatibility before ordering.
Recommended for professional installation or use with torque specifications.
Ideal for both OEM replacement and performance upgrade.