1.4 TSI EA211 MQB - DENSO IXU27 (5337) Iridium Power Spark Plugs

DENSO IXU27 (5337) Iridium Power Spark Plugs

When pushing your 1.4 TSI EA211 to its limits, your spark plugs need to keep up. The DENSO IXU27 Iridium Power spark plugs are our go-to choice for Stage 3 big power builds, including our own 250+ BHP RUN APC IS20 Turbo-Swapped Scirocco GT. Designed with ultra-fine iridium electrodes, these plugs offer unmatched spark efficiency, combustion stability, and long-term durability, even under hard boost.

❌ Do not purchase this kit for a stock car. This is only ideal for stage 3 and above builds.

⚡ Engineered for serious power and proven under pressure, DENSO Iridium Power plugs, especially when paired with our uprated ignition coils, deliver next-level performance for your EA211 build.

🔥 Built for Big Power – Trusted in our Stage 3 builds running IS20 turbos and beyond.
⚡ Iridium Core Technology – Superior spark strength, heat resistance, and lifespan vs. traditional or platinum plugs.
🛠️ Track-Tested. Daily-Driven. – Performs flawlessly in high-heat, high-load environments without compromise.
✅ Perfect Fit for EA211 Engines – Direct fitment for 1.4 TSI engines with CZCA and other EA211 codes.
🔧 Pair with Our Upgraded Ignition Coils – For maximum spark energy and reliability under load, we recommend running these plugs with our Upgraded Ignition Coils for the 1.4 TSI EA211—the perfect match for tuned setups.

💥 Now Available as a Bundle – Grab these plugs together with our uprated coils at a discounted price—more performance, better value.

📈 Proven Gains – DENSO testing shows up to 1.4% more horsepower and 5% better fuel efficiency vs. standard plugs.

🧊 What Does “Colder” Spark Plug Mean?

A colder spark plug dissipates heat from the firing tip more quickly. This reduces the chance of pre-ignition or knock in high-boost, high-compression, or high-RPM conditions—making colder plugs ideal for tuned engines, spirited driving, or track use.

In contrast, standard plugs run hotter to self-clean in lower-load conditions, which is better suited for daily driving and stop-start use.

💥 Why Choose DENSO IXU27?

• Colder heat range = better knock prevention under boost
• Iridium tip = faster ignition and more complete combustion
• Ideal for Stage 3+ remaps or drivers pushing their EA211 MQB engine beyond stock limits

📦 What's Included

• 4x DENSO IXU27 (5337) Iridium Power Spark Plugs

✅ Compatibility

✔️ Fits EA211 1.2 & 1.4 TSI Engines with the following engine codes:
CZCA, CHP, CMB, CPT, CPV, CXS, CZC, CZE, CZEA, CZD, CZT, CTE

🚗 Vehicle Compatibility (2012–2020 MQB platform):

• VW Golf MK7 / MK7.5 1.4 TSI (2012–2020)
• VW Polo MK6 1.4 TSI (6C) (2014–2017)
• VW T-Roc 1.4 TSI (2017–2020)
• VW Tiguan MK2 1.4 TSI (2016–2020)
• VW Touran 1.4 TSI (2015–2020)
• VW Scirocco MK3.5 1.4 TSI (Facelift models, 2014–2018)
• Audi A1 1.4 TFSI (8X) (2010–2018)
• Audi A3 1.4 TFSI (8V) (2012–2020)
• SEAT Leon MK3 1.4 TSI (5F) (2012–2020)
• SEAT Ibiza MK5 1.4 TSI (6P) (2015–2017)
• Skoda Octavia MK3 1.4 TSI (5E) (2013–2020)
• Skoda Superb MK3 1.4 TSI (3V) (2015–2020)
• Skoda Karoq / Kodiaq 1.4 TSI (2017–2020)

❌ Not compatible with:

• Not compatible with EA111 Engines
• Not compatible with EA113 Engines
• Not compatible with EA211 EVO 1.5 TSI Engines
• Not compatible with EA888 Engines

(If unsure, drop us a message with your reg - we’ll confirm fitment fast.)