This is a spark plug for automobiles.
NGK NGK Premium RX Plug
Compatible car models
Car name: Swift
Model: ZC33S
Year: H29.9~
Engine model: K14C (DOHC turbo)
Number of sets: 4
Reference genuine product number: 09482-00642
NGK product number: LKR7ARX-P
NGK Stock No.:90020
We will accept it after confirming the suitability.
We will check whether this product can be used in your car (compatibility confirmation). Please feel free to let us know your chassis number, model designation number, and classification number. I'll look into it.
Please feel free to contact us regarding delivery dates. You can contact us by clicking the "Ask a Question" button after clicking on the store name on the product page.
[Attractive Features & Recommended Points]
●Perfect Fit with Dedicated Design
This plug is designed with the exact thread size and heat rating suitable for the Suzuki Swift, model ZC33S (K14C DOHC Turbo, from Sep 2017). It offers the reassurance of maintaining OEM compatibility while aiming for higher performance.
●High Performance of the Premium RX Series
Belonging to NGK’s "Premium RX Plug" lineup, it is engineered to achieve superior levels of "ignitability," "combustion efficiency," "fouling resistance," and "durability." It ensures stable combustion at both high and low speeds, reducing fuel waste.
●Optimized Materials and Electrode Structure
The center electrode uses a ruthenium-alloy material. The outer electrode features a "protruding platinum + oval shape," which suppresses heat buildup, reducing oxidation and electrode breakage compared to conventional plugs. This design contributes to an extended service life.
●Improved Fuel Efficiency
According to official performance data, it achieves approximately 2.2% better fuel economy in JC08 mode compared to standard plugs, and about 1.9% improvement during idling. This is a significant benefit for fuel-conscious drivers.
●Enhanced Starting & Acceleration Response
Cold-start performance is improved, and throttle response becomes sharper. Stable spark generation reduces lag and hesitation when accelerating.
●Long Life and Stability
Resistant to fouling and electrode wear, it maintains its performance over a long period. This makes it highly cost-effective for users who want to avoid frequent plug replacements.
[Summary]
The NGK Premium RX LKR7ARX-P plug is a recommended aftermarket part for Suzuki Swift ZC33S owners. While maintaining OEM standards, its advanced materials and thoughtfully designed electrodes enhance "ignition performance," "combustion efficiency," "durability," and "fuel efficiency." Users report better cold-start performance and throttle response, making it reliable for daily driving as well as high-speed or turbo-loaded conditions. It’s an ideal choice for those seeking a safe, high-quality driving experience that exceeds standard OEM performance without the risk of making the wrong parts choice.