Marked as NGK IR DILZKR7B11GS (NGK 95710)
D - 12mm thread size, hexagon size 18.0mm
I - Irridium electrode
L - Compact type (shorty)
Z - Inductive resistor type
K - Metal Shell Size: 12 ø x 19 mm, 16.0 mm Hex.
R - Resistor type
7 - Heating rate 7 (2 is hot > 13 is cold)
B - Special design feature
11 - Wide gap 1.1mm
G - Unknown feature
S - ???
Torque specs for these 14.6 - 19.7 Nm, I would say ~17 Nm is ok.
Heating rate explained
Owner's manual says 2 models can be used:
NGK and also DENSO DXU22HCR-D11S.
Looks like it is this sweety - tall, slim and thin
Set of 4 plugs cost below $40 on Internet. At Honda... no idea yet :-)
Honda part number is 12290-R41-L01 but it refers to DILZKR7A11GS, probably previous revision.
If I remember right, manual says replace each 90 or 105 Kkm. But I think that's a good idea. Dying plugs can destroy coils. I plan to replace (if car still be with me :-) at 60.
7,850 km | 0Y 5M
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