Part #: 5344

NGK 5344 Spark Plug

Laser Iridium Spark Plug
⚙️ 70 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$20.77Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Laser Iridium Spark Plug
🚗Fitment: Audi, Mercedes-Benz, Saab, Dodge, Chrysler, and Jeep, Q5, A6, SLK55 AMG, 9-3, 9-3X, A5 Quattro, A4 Quattro, Dakota, Crossfire, C55 AMG, CLK55 AMG, A4, A6 Quattro, Grand Cherokee, C32 AMG, SLK230, SLK32 AMG, C230, CL600, and S600
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandNGK
Part Number5344
PositionLaser Iridium Spark Plug
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Electrical Terminal TypeNon-Removable Nut
Ground ConfigurationStandard
Ground Electrode Core MaterialCopper
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size5/8
Insulator Height50.50
Manufacturer Heat Range6
Part NumberIFR6D10
Pre-Gap Size.040
Reach.75
Resistance1000
Seat TypeFlat
Stock Number5344
Thread Diameter14.00

This part fits 70 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012AudiQ53.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2011AudiA63.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2011AudiQ53.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2011Mercedes-BenzSLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2011Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2011Saab9-3X2.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2010AudiA5 Quattro3.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2010AudiA63.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2010AudiQ53.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2010Mercedes-BenzSLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2010Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2010Saab9-3X2.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2009AudiA4 Quattro3.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2009AudiA5 Quattro3.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2009AudiA63.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2009AudiQ53.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2009Mercedes-BenzSLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 80,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2009Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2008AudiA5 Quattro3.2LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2008Mercedes-BenzSLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2008Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2007DodgeDakota4.7LV8N/ASet spark plug gap to 0.040 inches.; Laser Iridium Spark Plug
2007Mercedes-BenzSLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2007Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2006AudiA4 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2006ChryslerCrossfire3.2LV6N/AGap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2006DodgeDakota4.7LV8N/ASet spark plug gap to 0.040 inches.; Laser Iridium Spark Plug
2006Mercedes-BenzC55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2006Mercedes-BenzCLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2006Mercedes-BenzSLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2006Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2005AudiA43.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2005AudiA4 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2005ChryslerCrossfire3.2LV6N/AGap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2005DodgeDakota4.7LV8N/ASet spark plug gap to 0.040 inches.; Laser Iridium Spark Plug
2005Mercedes-BenzC55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2005Mercedes-BenzCLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2005Mercedes-BenzSLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2005Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2004AudiA43.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2004AudiA4 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2004AudiA63.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2004AudiA6 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2004JeepGrand Cherokee4.7LV8N/ASet spark plug gap to 0.040 inches.; Laser Iridium Spark Plug
2004Mercedes-BenzC32 AMG3.2LV6N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 80,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2004Mercedes-BenzCLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2004Mercedes-BenzSLK2302.3LL4N/AGap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2004Mercedes-BenzSLK32 AMG3.2LV6N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; Laser Iridium Spark Plug
2004Saab9-32.0LL4N/AGap of 0.039"; Laser Iridium Spark Plug
2003AudiA43.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2003AudiA4 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2003AudiA63.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2003AudiA6 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2003JeepGrand Cherokee4.7LV8N/ASet spark plug gap to 0.040 inches.; Laser Iridium Spark Plug
2003Mercedes-BenzC32 AMG3.2LV6N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 80,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2003Mercedes-BenzCLK55 AMG5.5LV8N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2003Mercedes-BenzSLK2302.3LL4N/AGap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2003Mercedes-BenzSLK32 AMG3.2LV6N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2002AudiA43.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2002AudiA4 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2002AudiA63.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2002AudiA6 Quattro3.0LV6N/AAdjust spark plug gap to 0.044 inches.; Laser Iridium Spark Plug
2002JeepGrand Cherokee4.7LV8N/ASet spark plug gap to 0.040 inches.; Laser Iridium Spark Plug
2002Mercedes-BenzC2302.3LL4N/AGap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2002Mercedes-BenzC32 AMG3.2LV6N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2002Mercedes-BenzCL6005.8LV12N/ATwin Spark System; Gap 0.040"; Laser Iridium Spark Plug
2002Mercedes-BenzS6005.8LV12N/ATwin Spark System; Gap 0.040"; Laser Iridium Spark Plug
2002Mercedes-BenzSLK2302.3LL4N/AGap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2002Mercedes-BenzSLK32 AMG3.2LV6N/ATwin Spark System; Gap 0.040"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2001Mercedes-BenzSLK2302.3LL4N/AGap 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:

4504470253449805A 003 159 97 03IK20TTPK20TT

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.