Denso U14FSR-UB Spark Plug

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Rating

3.3 / 5 Overall
Denso	U14FSR-UB
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications

0.7mm (.028")	14
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
12.7mm (1/2")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (1)

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

CR4HSB

Copper

2.9/ 5

.028"12.7mm, ⌀10x1HR 4

Deep reference (1)

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

4194

Copper

2.9/ 5

.024"12.7mm, ⌀10x1HR 1

One step colder (2)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)

U16FSRU

Copper

-

3.3/ 5

.028"12.7mm, ⌀10x1HR 16

U16FSRUB

Copper

-

3.3/ 5

.028"12.7mm, ⌀10x1HR 16

Two steps colder (1)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)

U20FSR-U

Copper

-

3.3/ 5

.028"12.7mm, ⌀10x1HR 20