- Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties
- RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
- Copper core aids in heat removal
- Triple seals prevent leakage
The NGK Laser Iridium Spark Plug Part Number 91121 is designed to deliver exceptional performance and durability for your Smart Fortwo models from 2016 and 2017. Engineered with a highly durable iridium-tipped center electrode, this spark plug offers six times the lifespan of platinum alternatives, ensuring reliable ignition over extended periods. Crafted specifically for OE applications, it guarantees a perfect fit and optimal functioning, making it an ideal replacement for your vehicle's original spark plugs. The use of high-grade pure alumina ceramic insulator enhances heat transfer and strength, while the copper core aids in efficient heat removal, preventing overheating and maintaining stable engine performance. The platinum pad on the ground electrode promotes even wear, especially beneficial in distributorless ignition systems, contributing to consistent spark quality and engine responsiveness. Trivalent metal plating on the plugs provides superior anti-corrosion and anti-seizing properties, simplifying installation and longevity. Equipped with triple seals, these spark plugs are designed to prevent leakage and keep out contaminants, ensuring long-term reliability. Suitable for vehicles with OE fine wire iridium alloy plugs, the NGK Laser Iridium Spark Plugs are recommended for use in your Smart Fortwo to optimize engine start-up, acceleration, and overall efficiency. Whether for routine maintenance or performance upgrades, these spark plugs offer a balanced combination of power, longevity, and dependability, making them a smart choice for discerning vehicle owners seeking quality replacements.
Features:
- Iridium-tipped center electrode provides six times the durability of platinum
- High-grade pure alumina ceramic insulator ensures superior heat transfer and strength
- Copper core enhances heat removal for optimal engine temperature
- Platinum pad on ground electrode promotes even wear in distributorless ignition systems
- Trivalent metal plating offers excellent anti-corrosion and anti-seizing properties
- Triple seals prevent leakage and contaminants, ensuring reliability
- air_freight_prohibited:
- false
- not_carb_approved:
- false
- ltl_freight_required:
- false
- prop_65:
- Unknown
- part_type:
- automotive
- epa:
- N/A
- carb_acknowledgement_required:
- false
- regular_stock:
- false
- units_per_sku:
- 4
- Mod Category:
- Performance
- Mod Subcategory:
- Ignition
