Champion D15Y Spark Plug

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Rating

2.8 / 5 Overall
Champion	D15Y
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.3 / 5 Design
Standard	Oversized
Ground type	Center type

Specifications

0.7mm (.028")	15
Gap	Heat range
⌀18mm	1.5mm
Thread diameter	Thread pitch
12.7mm (1/2")	22mm (7/8")
Reach	Hex size
Gasket	Removable Nut
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (2)

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

L14-U

Copper

3.3/ 5

.028"12mm, ⌀18x1.5HR 14

3116

Copper

2.9/ 5

.035"12.7mm, ⌀18x1.5HR 5

Deep reference (16)

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

L14-U

Copper

3.3/ 5

.028"12mm, ⌀18x1.5HR 14

D16J

Copper

3.1/ 5

.030"12.7mm, ⌀18x1.5HR 16

3116

Copper

2.9/ 5

.035"12.7mm, ⌀18x1.5HR 5

386

Copper

2.9/ 5

.024"12.7mm, ⌀18x1.5HR 4

D21

Copper

2.9/ 5

.028"12.7mm, ⌀18x1.5HR 21

D23

Copper

2.9/ 5

.030"12.7mm, ⌀18x1.5HR 23

AB-6

Copper

2.9/ 5

.028"11mm, ⌀18x1.5HR 6

D16

Copper

-

2.8/ 5

.026"12.7mm, ⌀18x1.5HR 16

D18Y

Copper

-

2.8/ 5

.028"12.7mm, ⌀18x1.5HR 18

RD15Y

Copper

-

2.8/ 5

.026"12.7mm, ⌀18x1.5HR 15

RD16

Copper

-

2.8/ 5

.026"12.7mm, ⌀18x1.5HR 16

RD18Y

Copper

-

2.8/ 5

.035"12.7mm, ⌀18x1.5HR 18

UD16

Copper

-

2.8/ 5

.026"12.7mm, ⌀18x1.5HR 16

D18Y

Copper

-

2.8/ 5

.028"12.7mm, ⌀18x1.5HR 18

RD18Y

Copper

-

2.8/ 5

.035"12.7mm, ⌀18x1.5HR 18

RD15Y

Copper

-

2.8/ 5

.026"12.7mm, ⌀18x1.5HR 15

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

3116

Copper

2.9/ 5

.035"12.7mm, ⌀18x1.5HR 5

Two steps colder (1)

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

D18Y

Copper

-

2.8/ 5

.028"12.7mm, ⌀18x1.5HR 18