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NGK 1553 Spark Plug
| Brand | NGK 1553 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Stud |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | .036 |
| Ground Electrode Quantity | 1 |
| Hex Size | 14 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 8 |
| Seat Type | Flat |
| Reach | 26.5 |
| Thread Diameter | 12.00 |
| Part Number | Lkar8bi9 |
| Stock Number | 1553 |
| Product line | Laser Iridium Spark Plug |
| Fits | Husqvarna and KTM · 15 vehicles |
Laser iridium design. Iridium center electrode supports consistent ignition performance.
OE supplier pedigree. NGK manufactures spark plugs to original equipment standards.
Precise fitment specs. Flat seat, 12 mm thread, 14 mm hex, and 0.036-inch pre-gap.
Cross-references Hygrade Tuneup 1553 and 60139093000 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Laser Iridium Spark Plug
NGK Laser Iridium Spark Plug 1553 is built for riders and owners who need a precise ignition component with OE-level construction. It uses an iridium center electrode, a nickel ground electrode, and a 0.036-inch pre-gap for consistent spark performance.
Compatible with KTM 690 Enduro R, KTM 990 Adventure, and Husqvarna 701 Enduro applications listed below, this spark plug is identified by part number 1553 and stock number 1553. NGK is a major OE spark plug supplier in North America, with manufacturing focused on original equipment standards and broad vehicle coverage.
- Laser iridium center electrode for stable ignition performance
- Nickel ground electrode with standard tip and standard configuration
- 0.036-inch pre-gap for specified applications
- Flat seat design with 12 mm thread diameter and 14 mm hex size
- 5000 ohm resistance and copper core center electrode
Detailed Application Notes
Fits 2018 KTM 690 Enduro R, N/A; Fits 2017 KTM 690 Enduro R, N/A; Fits 2016 KTM 701 Enduro, N/A; Fits 2016 KTM 701 Supermoto, N/A; Fits 2016 KTM 690 Enduro R, N/A; Fits 2009-2012 KTM 990 Adventure, N/A; Fits 2012 KTM 990 Adventure R, N/A; Fits 2012 KTM 990 SMT, N/A; Fits 2011 KTM 990 Adventure Dakar Edition, N/A; Fits 2009-2011 KTM 990 Adventure R, N/A. Notes vary by application and include inside or outside spark plug placement and OE gap specifications where listed.
What It Helps Address
- Hard starting caused by worn spark plug electrodes
- Misfires from excessive plug wear or incorrect gap
- Rough idle linked to inconsistent ignition output
- Reduced throttle response from degraded spark quality
Installation Notes and Tips
Verify the listed fitment notes before installation, especially the inside or outside spark plug designation and the specified gap. Confirm thread diameter, reach, seat type, and hex size against the engine specification before service. Use the part number 1553 to match the correct NGK Laser Iridium Spark Plug for the application.
Quality Assurance
NGK has over 80 years of automotive expertise and is recognized as a leading OE spark plug supplier for domestic and import vehicles in North America. The 1553 spark plug is manufactured to original equipment standards for durability and operational performance.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2018 | KTM | 690 Enduro R | -L | -- | Outside spark plug; Gap 0.036"; Actual OE Manufacturer; Laser Iridium Spark Plug |
| 2017 | KTM | 690 Enduro R | -L | -- | Actual OE Manufacturer; Laser Iridium Spark Plug |
| 2016 | Husqvarna | 701 Enduro | -L | -- | Inside Spark Plug; Gap 0.036"; Laser Iridium Spark Plug |
| 2016 | Husqvarna | 701 Supermoto | -L | -- | Inside Spark Plug; Gap 0.036"; Laser Iridium Spark Plug |
| 2016 | KTM | 690 Enduro R | -L | -- | Inside spark plug; Gap 0.036"; Actual OE Manufacturer; Laser Iridium Spark Plug |
| 2012 | KTM | 990 Adventure | -L | -- | Spark plug with a gap of 0.036 inches.; Laser Iridium Spark Plug |
| 2012 | KTM | 990 Adventure R | -L | -- | Gap spark plug at 0.036 inches according to OE manufacturer specification.; Laser Iridium Spark Plug |
| 2012 | KTM | 990 SMT | -L | -- | Gap spark plug at 0.036 inches according to OE manufacturer specification.; Laser Iridium Spark Plug |
| 2011 | KTM | 990 Adventure | -L | -- | Spark plug with a gap of 0.036 inches.; Laser Iridium Spark Plug |
| 2011 | KTM | 990 Adventure Dakar Edition | -L | -- | Gap spark plug at 0.036 inches according to OE manufacturer specification.; Laser Iridium Spark Plug |
| 2011 | KTM | 990 Adventure R | -L | -- | Spark plug with a gap of 0.036 inches.; Laser Iridium Spark Plug |
| 2010 | KTM | 990 Adventure | -L | -- | Spark plug with a gap of 0.036 inches.; Laser Iridium Spark Plug |
| 2010 | KTM | 990 Adventure R | -L | -- | Spark plug with a gap of 0.036 inches.; Laser Iridium Spark Plug |
| 2009 | KTM | 990 Adventure | -L | -- | Spark plug with a gap of 0.036 inches.; Laser Iridium Spark Plug |
| 2009 | KTM | 990 Adventure R | -L | -- | Spark plug with a gap of 0.036 inches.; Laser Iridium Spark Plug |
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