The Mitsubishi Lancer benefits from reliable ignition components to maintain fuel efficiency, engine response, and smooth starts. This guide highlights five top spark plug sets and related options tailored for Lancer models from 2002–2017, focusing on Iridium and Platinum designs known for longevity and steady performance. Each pick is evaluated for compatibility, material quality, and installation practicality to help you choose a dependable upgrade or replacement.
| Product | Brand | Notes |
|---|---|---|
| 1) 4 pc DENSO Iridium TT Spark Plugs | Sixity Auto | Compatible with 2.0L/2.4L L4 Lancer |
| 2) NGK Iridium IX Spark Plugs | Sixity Auto | Compatible with 2.0L/2.4L L4 Lancer |
| 3) A-Premium Iridium & Platinum Spark Plugs | A-Premium | 2008–2010 2.0L Lancer NA |
| 4) A-Premium Double Iridium Spark Plugs | A-Premium | 2011–2015 Evolution/ITR variants |
| 5) 4 pc DENSO Platinum TT Spark Plugs | Sixity Auto | Compatible with 2.0L/2.4L L4 Lancer |
DENSO Iridium TT Spark Plugs — 4 Pack

This 4-pack offers DENSO Iridium TT plugs designed for Mitsubishi Lancer models across the 2.0L and 2.4L L4 range. Features include a 1.1mm platinum center electrode paired with a titanium-enhanced alloy ground electrode, delivering a larger spark for improved power and fuel economy. Genuine DENSO parts are noted for broad OE compatibility and reliable performance across a wide vehicle range.
NGK Iridium IX Spark Plugs — 4 Pack

NGK Iridium IX plugs are listed as compatible with Mitsubishi Lancer 2.0L and 2.4L L4 engines from 2002 to 2017. This four-pack arrangement emphasizes genuine NGK parts, typically ensuring durable electrode wear resistance and consistent performance through extended service intervals. The model’s broad compatibility supports a straightforward upgrade path for many Lancer owners.
A-Premium Iridium & Platinum Spark Plugs — 4 Pack

A-Premium’s Iridium & Platinum combination plugs target 2008–2010 Lancer 2.0L L4 naturally aspirated configurations. The listing provides multiple reference numbers and vehicle fitment notes, with specifications including a 0.027–0.031 inch gap, a 5/8 inch hex, and a 50.5 mm insulator height. Iridium-platinum pairing is designed to balance longevity with efficient ignition performance in NA engines.
A-Premium Double Iridium Spark Plugs — 4 Pack

Designed for turbocharged and high-performance variants in the Lancer Evolution and MR lines from 2011–2015, these double iridium plugs emphasize cost-effective replacement with iridium durability. Features include a 0.024 inch gap, a 5/8 inch hex, and a 50.00 mm insulator height. The catalog notes compatibility with 2.0L L4 turbocharged engines in select Evolutions and MR trims.
DENSO Platinum TT Spark Plugs — 4 Pack

DENSO Platinum TT plugs offer a 1.1mm platinum center electrode along with a titanium-enhanced alloy ground electrode. This combination seeks faster starts and a balance of power and efficiency for Mitsubishi Lancer models within 2.0L and 2.4L L4 engines. The plugs are proposed as a suitable upgrade for drivers seeking reliable spark performance with reduced fouling risk.
Iridium Spark Plugs — 4 PCS (IFATRUNK)

IFATRUNK offers multi-brand compatibility in a single listing, detailing numerous cross-reference numbers and fitments. While not always specific to Mitsubishi Lancer alone, these Iridium plugs cover Lancer L4 2.0L/2.4L in several years and are positioned to provide durable ignition with long service life. Always verify exact fitment with vehicle VIN and engine specification before purchase.
Buying Guide: Key Purchase Considerations
- Engine type and aspirational setup: Iridium plugs are typically favored for modern Lancers with 2.0L and 2.4L engines due to their longevity and stable cold performance. Platinum TT designs may offer cost-effective reliability for older NA configurations.
- Gap size and heat range: Check the vehicle-specific gap recommended by the plug manufacturer and ensure the heat range matches the engine’s compression and fueling strategy. Misgapping can cause misfires or fouling.
- Vehicle fitment accuracy: Use the Amazon fitment tool or consult the vehicle’s manual to confirm exact engine code, displacement, and turbocharged vs. naturally aspirated variants before buying.
- Durability vs. upfront cost: Iridium and platinum plugs generally last longer than copper cores; weigh longer intervals against upfront price and maintenance cadence.
- OEM vs. aftermarket: OEM-equivalent designs (NGK, DENSO) commonly deliver reliable performance with established dealer-backed compatibility. Aftermarket brands can offer similar performance with potential price advantages.
- Installation considerations: Some sets come with hardware and gaskets, while others may require separate purchases. Ensure you have the correct tools and torque specs for proper seating to avoid leaks or gaps.
- Warranty and availability: Look for plugs that come with a manufacturer warranty and are readily available in your region to minimize downtime during replacements.
- Performance expectations: Iridium plugs generally provide more consistent ignition and efficiency, whereas platinum options may deliver quicker starts in certain conditions but with different wear profiles.
In summary, selecting the right spark plug set for a Mitsubishi Lancer involves aligning engine type, compatibility, electrode material, and service intervals with your driving needs. The options listed here cover a spectrum from budget-friendly to performance-oriented, helping you maintain reliable ignition and optimal engine performance without unnecessary downtime.