18845-11160
18845-11160
Hyundai, Kia
2014, 2013, 2012, 2011, 2010, 2009
Electrical System
Spark Plug
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Product Description
The 18845-11160 dual-tip iridium-platinum spark plug is engineered for Hyundai and Kia 2.0L / 2.4L Theta series gasoline engines, including G4KC and G4KE GDI/MPI variants. Manufactured to Mobis OEM matching standards and certified under ISO/TS16949 automotive quality requirements, this component serves as a direct replacement for original equipment in corresponding vehicle models. It is suited for commercial procurement, auto parts distributors, and vehicle maintenance service providers.
Item | Specification |
OE Number | 18845-11160 |
Official Name | PLUG ASSY-SPARK |
Cross Reference Codes | FK16HQR11, 18874-11080, DILFR5A11, 3458 |
Applicable Engines | Hyundai & Kia G4KC / G4KE 2.0L / 2.4L GDI/MPI gasoline engines |
Part Type | Spark Plug |
System | Electrical System |
Quantity per Pack | 1 |
Item | Specification |
Thread Spec | M14 × 1.25 |
Hex Wrench Size | 16 mm |
Pre-set Electrode Gap | 1.1 mm |
Standard Installation Torque | 28 N·m |
Built-in Suppression Resistor | 5000Ω anti-RFI resistor |
Seat Type | Flat copper gasket seat |
Thread Reach Length | 19 mm |
Net Weight per Unit | Approx 0.032 kg |
Single Pack Dimension | 120 × 22 × 22 mm |
Component | Material |
Center Electrode | Ultra-fine iridium tip |
Ground Electrode | Platinum welded nickel alloy |
Insulator | High-density high-purity alumina ceramic |
Shell Body | Zinc-plated anti-rust carbon steel |
Sealing Gasket | High-temperature resistant copper composite washer |
Thread pitch, reach length, heat range and electrode clearance align with original factory specifications. Each unit comes with a factory-set 1.1mm electrode gap and copper sealing washer, allowing for direct installation without manual gap adjustment. The plug is compatible with original ignition coils and cylinder head structures of corresponding vehicle models.
The center electrode features an ultra-fine iridium tip, which generates a concentrated spark under low voltage conditions. This structure supports consistent ignition during cold startup, idle operation and heavy load conditions, and helps reduce engine misfire occurrences. The ground electrode incorporates a platinum welding layer, which slows spark gap expansion caused by long-term high-temperature combustion erosion to maintain consistent ignition performance across the service cycle.
The insulator is constructed from high-density high-purity alumina ceramic, which provides resistance to thermal shock and high voltage breakdown. This material helps prevent electric leakage and carbon fouling under standard engine operating temperatures. A built-in 5kΩ suppression resistor reduces radio frequency interference, to lower signal disturbance to vehicle ECUs, audio equipment and electronic sensors.
The plug adopts an OEM-aligned heat range to balance cold-start carbon deposition and high-temperature ablation. Under normal driving conditions, carbon sludge on the electrode surface burns off during regular operation. Complete and uniform air-fuel mixture combustion supports throttle response, and helps reduce fuel consumption and exhaust emissions. Replacing aged spark plugs with this model can address common ignition system issues such as cold start difficulty, rough idle, engine misfire, increased fuel consumption and weak acceleration.
The iridium-platinum dual precious metal structure supports a longer service life than standard nickel spark plugs. Under normal daily driving conditions, the service cycle ranges from 60,000 km to 80,000 km. Frequent short-distance trips or heavy-load operation may shorten the service cycle to 40,000 km to 50,000 km. Under ideal regular maintenance conditions, maximum service life can reach 100,000 km. This characteristic reduces long-term vehicle maintenance frequency and associated costs for fleet and business operations.
This spark plug fits Hyundai and Kia vehicles equipped with 2.0L / 2.4L Theta series engines. Compatible models include Hyundai Sonata (2009-2014), Kia Optima, Kia Sorento and Kia Sportage, covering model years from 2009 to 2014. It applies to mid-size sedan and SUV electrical systems.
Slight carbon fouling can be cleaned for temporary testing use. Spark plugs with oil fouling or electrode burn damage must be replaced, as cleaning cannot restore stable ignition performance.
Under normal driving conditions, the service cycle ranges from 60,000 km to 80,000 km. Frequent short trips or heavy-load driving may shorten the service life to 40,000 km to 50,000 km. Under ideal regular maintenance conditions, maximum service life can reach 100,000 km.
Each unit comes with a factory pre-set electrode gap. Users may recheck the gap with a feeler gauge after transportation. Prying the thin iridium electrode to adjust the gap is not recommended, as it may cause structural damage.
Confirm the OEM number 18845-11160 matches the vehicle VIN before procurement. Do not manually bend the iridium electrode to adjust the gap. Use a torque wrench to tighten the plug to standard torque specifications. Apply anti-seize grease only to the plug threads, avoiding contact with the ceramic insulator. Replace all spark plugs as a complete set instead of single replacement. After installation, run the engine for 5 minutes and test acceleration to confirm normal operation.
This product supports minimum order quantities from 500 to 1000 units for commercial procurement. Multiple packaging options are available, including genuine Mobis standard packaging, neutral aftermarket packaging and custom brand packaging to fit different business operation needs.
