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Ignitions and Electrical› Ignition Components
NGK
NGK Single Iridium Spark Plug Box of 4 (LTR5IX-11)
SKU: N003 4344
Easy — 1–2 hours
Overview
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Part #: 4344
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
Vehicle Symptoms
- Rough idle or shaking at stoplights
- Engine misfire or hesitation during acceleration
- Decreased fuel economy
- Hard starting or longer cranking time
- Check engine light flashing or steady
Diagnostic Codes
- P0300 – random misfire
- P0301 – cylinder 1 misfire
- P0302 – cylinder 2 misfire
- P0303 – cylinder 3 misfire
- P0304 – cylinder 4 misfire
- P0305 – cylinder 5 misfire
- P0306 – cylinder 6 misfire
- P0307 – cylinder 7 misfire
- P0308 – cylinder 8 misfire
Relevant Conversations
- NGK 4344 LTR5IX-11 vs Denso Iridium TT
- rough idle after changing spark plugs
- P0300 code after tune up
- how to gap NGK Iridium IX spark plugs
- best spark plugs for Chevy 5.3L
- iridium plug install torque specs
- NGK 4344 compatible with Ford F150
- car misfiring under load spark plugs
- spark plug replacement interval 100k miles
- coil packs and plugs replace together
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | NGK |
| Part Number | N003 4344 |
Videos
Do Spark Plugs Matter? CHEAP vs EXPENSIVE | Engine Masters | MotorTrend
Fake NGK Iridium Spark Plugs | How To Test!!
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How Long do NGK Iridium Spark Plugs Last? - A 100k Mile Review
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How to Change Spark Plugs (NGK Iridium) | AnthonyJ350
Spark Plug Gap - NGK Spark Plugs - Tech Video
como saber si la bujía ngk es original
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