Denso X31ESRU Spark Plug

Home → Spark Plugs → Denso → X31ESRU

Placeholder picture for not found images

Verify with Amazon ConfirmedFit before buying

Rating
Brand	Code
3.3 / 5 Overall
Denso	X31ESRU
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications
Gap	Heat range
0.7mm (.028")	31
⌀12mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	18mm ()
Reach	Hex size
Gasket	Threaded Stud
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers

JR10B

Copper

2.9/ 5

.028"19mm, ⌀12x1.25HR 10

Deep reference (2)

A second level of cross-reference: if A=B and B=C, then A=C

X31ETR

Copper

-

3.3/ 5

.028"19mm, ⌀12x1.25HR 31

4132

Copper

2.9/ 5

.028"19mm, ⌀12x1.25HR 1