Autolite AR33 Spark Plug

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Rating

3.3 / 5 Overall
Autolite	AR33
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Cut Back	Standard
Ground type	Center type

Specifications

0.9mm (.035")	2
Gap	Heat range
⌀18mm	1.5mm
Thread diameter	Thread pitch
11.6mm (.460")	21mm (13/16")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (3)

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

RS14PYP

Platinum

3.8/ 5

.043"17.5mm, ⌀14x1.25HR 14

MA20P-U

Copper

-

3.3/ 5

.035"11.6mm, ⌀18x1.5HR 20

AP7FS

Copper

2.9/ 5

.035"11mm, ⌀18x1.5HR 7

Deep reference (4)

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

TR4IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 4

APP104

Platinum

3.5/ 5

.050"17.5mm, ⌀14x1.25HR 2

AR32

Copper

-

3.3/ 5

.031"11.6mm, ⌀18x1.5HR 1

AR6FS

Copper

2.9/ 5

.035"11mm, ⌀18x1.5HR 6