Autolite 666DP2 Spark Plug

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Rating

2.9 / 5 Overall
Autolite	666DP2
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

1.5mm (.059")	5
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	16mm (5/8")
Reach	Hex size
Tapered	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

UR45

Copper

3.1/ 5

.059"11.6mm, ⌀14x1.25HR 4

Deep reference (17)

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

T14PR-U15

Copper

3.3/ 5

.059"11.6mm, ⌀14x1.25HR 14

T16PR-U15

Copper

3.3/ 5

.059"11.6mm, ⌀14x1.25HR 16

T16PR-U20

Copper

3.3/ 5

.079"11.6mm, ⌀14x1.25HR 16

666

Copper

-

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 5

26DP2

Copper

-

2.9/ 5

.045"11mm, ⌀14x1.25HR 5

666BP

Copper

-

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 5

HR9BCY+

Copper

-

2.9/ 5

.039"11mm, ⌀14x1.25HR 9

17C2

Copper

-

2.9/ 5

.059"11mm, ⌀14x1.25HR 19

19C2

Copper

-

2.9/ 5

.039"11mm, ⌀14x1.25HR 19

37C2

Copper

-

2.9/ 5

.059"11mm, ⌀14x1.25HR 17

79C2

Copper

-

2.9/ 5

.059"11mm, ⌀14x1.25HR 15

RV15YC6

Copper

-

2.9/ 5

.059"11mm, ⌀14x1.25HR 15

RV17YC6

Copper

-

2.9/ 5

.059"11mm, ⌀14x1.25HR 17

RV19YC6

Copper

-

2.9/ 5

.059"11mm, ⌀14x1.25HR 19

RV92YC

Copper

-

2.9/ 5

.035"11.6mm, ⌀14x1.25HR 92

HR10BCY

Copper

2.7/ 5

.059"11mm, ⌀14x1.25HR 10

HR10BCZ

Copper

2.7/ 5

.079"11mm, ⌀14x1.25HR 10

Same specs (5)

Products that have identical characteristics that impact interchangability

XP666

Iridium-Platinum

4.2/ 5

.059"9.5mm, ⌀14x1.25HR 5

AP666

Copper-Platinum

3.2/ 5

.059"9.5mm, ⌀14x1.25HR 5

AP666DP2

Copper-Platinum

3.2/ 5

.059"9.5mm, ⌀14x1.25HR 5

666

Copper

-

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 5

666BP

Copper

-

2.9/ 5

.059"9.5mm, ⌀14x1.25HR 5