Best Spark Plugs UK 2026 — Top 5 Brands Compared
The best spark plugs in the UK for 2026. NGK, Denso, Bosch, and Champion — compared by quality, lifespan, and value.
Spark Plugs
Spark Plugs vs Glow Plugs — What’s the Difference?
The difference between spark plugs (petrol) and glow plugs (diesel). How each works, which your car uses, and replacement guides.
When to Change Spark Plugs — Signs, Intervals & Guide
How to tell when spark plugs need replacing. Warning signs, manufacturer intervals, and how to check their condition.
Spark Plug Types Explained — Copper, Platinum, Iridium
Guide to spark plug types: copper, platinum, iridium, and double iridium. Which type your car needs and why.
Spark Plug Types Explained — Copper, Platinum, Iridium & Double Platinum
Complete spark plug guide. Types comparison (copper, platinum, iridium, double platinum), heat ranges, gap settings, replacement intervals, and signs of wear.
NGK vs Denso Spark Plugs — Which Is Better?
Head-to-head comparison of NGK and Denso spark plugs. Quality, range, OE applications, and which to choose for your car.
How to Change Spark Plugs — DIY Guide
Step-by-step guide to changing spark plugs at home. Tools needed, torque specs, and common mistakes to avoid.
Dacia Sandero Spark Plugs — Type, Gap & Interval (2021–2025)
Dacia Sandero (Mk3, 2021–2025) spark plug guide. Type: NGK LZKAR6AP-11, gap: 1.1 mm, qty: 4.
Fiat 500 Spark Plugs — EV Guide (2020–2025)
Fiat 500 (Electric, 2020–2025) is fully electric and does not use spark plugs.
Ford Fiesta Spark Plugs — Type, Gap & Interval (2017–2023)
Ford Fiesta (Mk8, 2017–2023) spark plug guide. Type: NGK ILTR6A-8G, gap: 0.8 mm, qty: 4.