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NGK 5344 Spark Plug
NGK Laser Iridium Spark Plug Overview
The NGK Laser Iridium Spark Plug 5344 is engineered for reliable ignition performance in a range of vehicles including Audi, Chrysler, Dodge, Jeep, Mercedes-Benz, and Saab models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.
- Iridium center electrode tip for enhanced durability and ignition
- Copper core materials in both center and ground electrodes for optimal conductivity
- Standard ground electrode tip and configuration for reliable spark delivery
- Pre-gap size of 0.040 inches for precise spark gap
- Non-removable nut electrical terminal type for secure connection
- Flat seat type and 14mm thread diameter for proper fitment
- Hex size of 5/8 inch for installation with common tools
- Manufacturer heat range of 6 suitable for various engine conditions
Detailed Product Description
The NGK Laser Iridium Spark Plug 5344 features an iridium center electrode tip, which provides a fine electrode for improved ignition and longer service life compared to conventional plugs. Both the center and ground electrodes have copper cores, enhancing electrical conductivity and heat dissipation. The spark plug’s standard ground electrode tip and configuration ensure consistent spark generation. With a pre-gap size of 0.040 inches and a single ground electrode, this plug is designed to maintain optimal combustion efficiency. The flat seat and 14mm thread diameter ensure compatibility with specified vehicle engines, while the 5/8 inch hex size allows for straightforward installation.
About the NGK Laser Iridium Spark Plug Line
The Laser Iridium Spark Plug line from NGK is designed to combine durability and performance by utilizing iridium in the center electrode tip. This material choice offers improved wear resistance and stable ignition characteristics, making it suitable for a variety of passenger and performance vehicles. The 5344 part number is part of this line, providing a balance of advanced materials and standard design features to meet OEM specifications.
Compatible Vehicles and Applications
- Compatible with Audi models such as A4, A4 Quattro, A5 Quattro, A6, and A6 Quattro
- Fits Chrysler Crossfire and Dodge Dakota
- Suitable for Jeep Grand Cherokee
- Designed for Mercedes-Benz models including C32 AMG, C55 AMG, C230, CL600, CLK55 AMG, S600, SLK32 AMG, SLK55 AMG, and SLK230
- Also compatible with Saab 9-3 and 9-3X
Common Issues Addressed by NGK Laser Iridium Spark Plug 5344
- Misfiring or inconsistent engine ignition
- Reduced fuel efficiency due to incomplete combustion
- Difficulty starting the engine in cold conditions
- Engine hesitation or rough idling
- Premature spark plug wear affecting performance
Installation Notes and Tips
- Ensure the spark plug gap is set to 0.040 inches before installation
- Use a 5/8 inch socket wrench for proper torque application
- Verify flat seat compatibility with the engine cylinder head
- Do not overtighten to avoid thread damage; follow manufacturer torque specifications
- Check for secure electrical terminal connection due to non-removable nut design
Quality Assurance and Warranty
NGK spark plugs, including the Laser Iridium Spark Plug 5344, are manufactured to meet strict quality standards for durability and performance. The use of copper core electrodes and iridium tips ensures consistent ignition and longevity. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.
| Brand | NGK |
| Part Number | 5344 |
| Position | Laser Iridium Spark Plug |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Copper |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 5/8 |
| Insulator Height | 50.50 |
| Manufacturer Heat Range | 6 |
| Part Number | IFR6D10 |
| Pre-Gap Size | .040 |
| Reach | .75 |
| Resistance | 1000 |
| Seat Type | Flat |
| Stock Number | 5344 |
| Thread Diameter | 14.00 |
This part fits 70 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Audi | Q5 | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2011 | Audi | A6 | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2011 | Audi | Q5 | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2011 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2011 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2011 | Saab | 9-3X | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2010 | Audi | A5 Quattro | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2010 | Audi | A6 | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2010 | Audi | Q5 | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2010 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2010 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2010 | Saab | 9-3X | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2009 | Audi | A4 Quattro | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2009 | Audi | A5 Quattro | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2009 | Audi | A6 | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2009 | Audi | Q5 | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2009 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 80,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2009 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2008 | Audi | A5 Quattro | 3.2L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2008 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2008 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2007 | Dodge | Dakota | 4.7L | V8 | N/A | Set spark plug gap to 0.040 inches.; Laser Iridium Spark Plug |
| 2007 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2007 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2006 | Audi | A4 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2006 | Chrysler | Crossfire | 3.2L | V6 | N/A | Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | Dodge | Dakota | 4.7L | V8 | N/A | Set spark plug gap to 0.040 inches.; Laser Iridium Spark Plug |
| 2006 | Mercedes-Benz | C55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | Mercedes-Benz | CLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2005 | Audi | A4 | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2005 | Audi | A4 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2005 | Chrysler | Crossfire | 3.2L | V6 | N/A | Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2005 | Dodge | Dakota | 4.7L | V8 | N/A | Set spark plug gap to 0.040 inches.; Laser Iridium Spark Plug |
| 2005 | Mercedes-Benz | C55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2005 | Mercedes-Benz | CLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2005 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2005 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2004 | Audi | A4 | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2004 | Audi | A4 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2004 | Audi | A6 | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2004 | Audi | A6 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2004 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Set spark plug gap to 0.040 inches.; Laser Iridium Spark Plug |
| 2004 | Mercedes-Benz | C32 AMG | 3.2L | V6 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 80,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2004 | Mercedes-Benz | CLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2004 | Mercedes-Benz | SLK230 | 2.3L | L4 | N/A | Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2004 | Mercedes-Benz | SLK32 AMG | 3.2L | V6 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; Laser Iridium Spark Plug |
| 2004 | Saab | 9-3 | 2.0L | L4 | N/A | Gap of 0.039"; Laser Iridium Spark Plug |
| 2003 | Audi | A4 | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2003 | Audi | A4 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2003 | Audi | A6 | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2003 | Audi | A6 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2003 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Set spark plug gap to 0.040 inches.; Laser Iridium Spark Plug |
| 2003 | Mercedes-Benz | C32 AMG | 3.2L | V6 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 80,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2003 | Mercedes-Benz | CLK55 AMG | 5.5L | V8 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2003 | Mercedes-Benz | SLK230 | 2.3L | L4 | N/A | Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2003 | Mercedes-Benz | SLK32 AMG | 3.2L | V6 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2002 | Audi | A4 | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2002 | Audi | A4 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2002 | Audi | A6 | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2002 | Audi | A6 Quattro | 3.0L | V6 | N/A | Adjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug |
| 2002 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Set spark plug gap to 0.040 inches.; Laser Iridium Spark Plug |
| 2002 | Mercedes-Benz | C230 | 2.3L | L4 | N/A | Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2002 | Mercedes-Benz | C32 AMG | 3.2L | V6 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2002 | Mercedes-Benz | CL600 | 5.8L | V12 | N/A | Twin Spark System; Gap 0.040"; Laser Iridium Spark Plug |
| 2002 | Mercedes-Benz | S600 | 5.8L | V12 | N/A | Twin Spark System; Gap 0.040"; Laser Iridium Spark Plug |
| 2002 | Mercedes-Benz | SLK230 | 2.3L | L4 | N/A | Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2002 | Mercedes-Benz | SLK32 AMG | 3.2L | V6 | N/A | Twin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2001 | Mercedes-Benz | SLK230 | 2.3L | L4 | N/A | Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.