Specifications
Spark and glow plugs
- Plug type
- Spark plug
- Electrode
- Double iridium
- Ground electrodes
- 1
- Electrode gap
- 0.7mm
- Thread size
- M12x1.25
- Thread length (reach)
- 26.5mm
- Spanner size
- 16mm
- Heat range
- 7
- Resistor
- ✓ Yes
- Length
Numbers
OE numbers
Vehicle makers’ own part numbers this part replaces.
| Maker | OE number |
|---|---|
| Kia | 18868 08095 |
| Hyundai | 18844 08070 |
| Hyundai | 18868 08095 |
| Mitsubishi | 1822A010 |
| Mitsubishi | 1822A011 |
| Nissan | B24016A00G |
Why this one
01
0.7 mm gap
Set at the factory, Bosch type YR 7 NII 33 S.
02
23 Nm torque
26.5 mm reach, 16 mm plug socket.
03
Iridium both electrodes
Slow electrode wear keeps the gap stable over long intervals.
On the job
What it does
Iridium on both the centre and the ground electrode wears very slowly, so the gap stays close to the factory 0.7 mm over long service intervals. That matters on hybrids, where the engine starts and stops constantly and every restart has to fire cleanly. Bosch type YR 7 NII 33 S, 26.5 mm reach, tightened to 23 Nm.
Fitting and what else to check
Change all plugs on the engine in one go and fit them with a torque wrench into a cold head; aluminium threads strip easily. Blow out the plug wells before removal, and check the coil boots for tracking marks or cracks while they are off.
