Autolite 2545 Spark Plug

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Rating

2.9 / 5 Overall
Autolite	2545
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

1.15mm (.045")	3
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
18mm (.709")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (5)

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

VT16

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 16

TR5-1IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 5

T20NR-U11

Copper

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 20

T16NR-U11

Copper

3.3/ 5

.043"18mm, ⌀14x1.25HR 16

TR5-1

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 5

Deep reference (78)

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

HR8JII33V

Iridium

4.5/ 5

.050"17.5mm, ⌀14x1.25HR 8

IT20

Copper-Iridium

4.3/ 5

.043"17.5mm, ⌀14x1.25HR 20

IT20

Copper-Iridium

4.3/ 5

.043"17.5mm, ⌀14x1.25HR 20

TR5AI-13

Iridium-Platinum

4.2/ 5

.050"18mm, ⌀14x1.25HR 5

XP5143

Iridium-Platinum

4.2/ 5

.055"18mm, ⌀14x1.25HR 1

XP5144

Iridium-Platinum

4.2/ 5

.055"18mm, ⌀14x1.25HR 2

XP5144DP2

Iridium-Platinum

4.2/ 5

.055"18mm, ⌀14x1.25HR 2

XP5145

Iridium-Platinum

4.2/ 5

.055"18mm, ⌀14x1.25HR 3

XP5145DP2

Iridium-Platinum

4.2/ 5

.055"18mm, ⌀14x1.25HR 3

VT20

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 20

VT20

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 20

TR4IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 4

RS14PLP

Platinum

3.8/ 5

.053"18mm, ⌀14x1.25HR 14

RS12PYP

Platinum

3.7/ 5

.049"17.5mm, ⌀14x1.25HR 12

RS12PLP

Platinum

3.6/ 5

.059"18mm, ⌀14x1.25HR 12

HGR9DQP

Copper-Platinum

3.5/ 5

.063"17.5mm, ⌀14x1.25HR 9

RS17YX

Copper

3.5/ 5

.024"17.5mm, ⌀14x1.25HR 17

APP5145

Platinum

3.5/ 5

.055"18mm, ⌀14x1.25HR 3

HR8DPX

Copper-Platinum

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR9DPX

Copper-Platinum

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 9

RS14PMC4

Copper-Platinum

3.3/ 5

.039"17.5mm, ⌀14x1.25HR 14

T20EPR-U

Copper

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

AP2544

Copper-Platinum

3.2/ 5

.045"18mm, ⌀14x1.25HR 2

AP2545

Copper-Platinum

3.2/ 5

.045"18mm, ⌀14x1.25HR 3

AP2546

Copper-Platinum

3.2/ 5

.055"18mm, ⌀14x1.25HR 4

AP5143

Copper-Platinum

3.2/ 5

.055"18mm, ⌀14x1.25HR 1

AP5144

Copper-Platinum

3.2/ 5

.055"18mm, ⌀14x1.25HR 2

AP764

Copper-Platinum

3.2/ 5

.045"17.5mm, ⌀14x1.25HR 2

AP765

Copper-Platinum

3.2/ 5

.045"17.5mm, ⌀14x1.25HR 3

AP766

Copper-Platinum

3.2/ 5

.045"17.5mm, ⌀14x1.25HR 4

TR4

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 4

TR6

Copper

3.1/ 5

.039"18mm, ⌀14x1.25HR 6

HR8LPX

Copper-Platinum

3.0/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR9DPY

Copper-Platinum

3.0/ 5

.059"17.5mm, ⌀14x1.25HR 9

HR9LPX

Copper-Platinum

3.0/ 5

.043"17.5mm, ⌀14x1.25HR 9

HR8LPX

Copper-Platinum

3.0/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR9LPX

Copper-Platinum

3.0/ 5

.043"17.5mm, ⌀14x1.25HR 9

HR8LPX

Copper-Platinum

3.0/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR9LPX

Copper-Platinum

3.0/ 5

.043"17.5mm, ⌀14x1.25HR 9

H9DC

Copper

-

2.9/ 5

.031"17.5mm, ⌀14x1.5HR 9

HR10DCX

Copper

-

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 10

HR8DCX

Copper

-

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 8

106

Copper

-

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 4

2546

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 4

605

Copper

-

2.9/ 5

.059"17.5mm, ⌀14x1.25HR 3

765

Copper

-

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 3

766

Copper

-

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 4

RS14LC

Copper

-

2.9/ 5

.043"18mm, ⌀14x1.25HR 14

RS14YC

Copper

-

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 14

RS15LYC

Copper

-

2.9/ 5

.039"17.5mm, ⌀14x1.25HR 15

2544

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

2546

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 4

5143

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 1

RS10LC

Copper

-

2.9/ 5

.043"21mm, ⌀14x1.25HR 10

2544

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

RS10LC

Copper

-

2.9/ 5

.043"21mm, ⌀14x1.25HR 10

2546

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 4

RS14LC

Copper

-

2.9/ 5

.043"18mm, ⌀14x1.25HR 14

RS15LYC

Copper

-

2.9/ 5

.039"17.5mm, ⌀14x1.25HR 15

5144

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 2

HR9LCX

Copper

-

2.9/ 5

.043"17.5mm, ⌀14x1.5HR 9

407C2

Copper

-

2.9/ 5

.043"18mm, ⌀14x1.25HR 14

RS14LC

Copper

-

2.9/ 5

.043"18mm, ⌀14x1.25HR 14

764

Copper

-

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 2

2544

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

2546

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 4

5143

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 1

2544BP

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

2545BP

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 3

2545DP2

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 3

2546BP

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 4

5144BP

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 2

5144DP2

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 2

764BP

Copper

-

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 2

764DP2

Copper

-

2.9/ 5

.045"17.5mm, ⌀14x1.25HR 2

HR9HC+

Copper

-

2.9/ 5

.050"17.5mm, ⌀14x1.25HR 9

HR9LCX+

Copper

-

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 9

RS10LC

Copper

-

2.9/ 5

.043"21mm, ⌀14x1.25HR 10

Same specs (11)

Products that have identical characteristics that impact interchangability

APP2544

Platinum

3.5/ 5

.045"18mm, ⌀14x1.25HR 2

APP2545

Platinum

3.5/ 5

.045"18mm, ⌀14x1.25HR 3

APP2545DP2

Platinum

3.5/ 5

.045"18mm, ⌀14x1.25HR 3

AP2544

Copper-Platinum

3.2/ 5

.045"18mm, ⌀14x1.25HR 2

AP2545

Copper-Platinum

3.2/ 5

.045"18mm, ⌀14x1.25HR 3

AP2545DP2

Copper-Platinum

3.2/ 5

.045"18mm, ⌀14x1.25HR 3

2544

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

2544BP

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

2544DP2

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 2

2545BP

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 3

2545DP2

Copper

-

2.9/ 5

.045"18mm, ⌀14x1.25HR 3

Bigger gap (4)

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

APP2546

Platinum

3.5/ 5

.055"18mm, ⌀14x1.25HR 4

AP2546

Copper-Platinum

3.2/ 5

.055"18mm, ⌀14x1.25HR 4

2546

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 4

2546BP

Copper

-

2.9/ 5

.055"18mm, ⌀14x1.25HR 4