NGK TR7IX (3690) Iridium IX Spark Plug
NGK TR7IX (stock number 3690) is a iridium ix spark plug. The technical specifications below are taken from the product catalog.
Product specifications
- Thread diameter: 14 mm
- Thread reach: 17.5 mm
- Hex size: 5/8"
- Seat type: Tapered
- Heat range: 7
- Center electrode: Iridium
- Ground electrodes: 1 Ground Electrode
- Terminal type: Solid
- Pre-set gap: 0.040 in
- Thread pitch: 1.25 mm
Before ordering, verify the part number and vehicle application with the official NGK Part Finder. No vehicle fitment is assumed from these specifications.
| Technical Specs | |
| Thread Size (mm) | 14 |
| Thread Reach (mm) | 17.5 |
| Hex Size (inch) | 5/8" |
| Seat Type | Tapered |
| Resistor Type | Resistor |
| Projection Type | Extended |
| Heat Range | 7 |
| Center Electrode Type & Material | Iridium |
| No. of Ground Electrodes | 1 Ground Electrode |
| Terminal Type | Solid |
| Pre-Set Gap (inch) | 0.040" |
| Thread Pitch (mm) | 1.25 |
TR7IX (3690)
NGK / NTK PRODUCT DETAILS · U.S. STORE
- Brand: NGK
- Product Code: NGK TR7IX (3690)
- Availability: In Stock
Free shipping on U.S. orders over $69 · Prices in USD
-
$9.40
Check compatibility: Confirm the NGK/NTK part number and vehicle application before placing your order.



