Champion RS14PYP 7408 Spark Plug

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Rating
Brand	Code
3.8 / 5 Overall
Champion	RS14PYP
4.0 / 5 Materials
Platinum	Platinum
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
1.1mm (.043")	14
⌀14mm	1.25mm
Thread diameter	Thread pitch
17.5mm (.689")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (3)

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

TR4IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 4

APP104

Platinum

3.5/ 5

.050"17.5mm, ⌀14x1.25HR 2

AR33

Copper

3.3/ 5

.035"11.6mm, ⌀18x1.5HR 2

Deep reference (14)

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

HR9LII33X

Iridium

4.5/ 5

.043"17.5mm, ⌀14x1.25HR 9

VT16

Iridium-Platinum

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 16

XP5245

Iridium-Platinum

4.2/ 5

.045"18mm, ⌀14x1.25HR 3

RS12PYPB5

Platinum

3.8/ 5

.049"17.5mm, ⌀14x1.25HR 12

PTR5D-13

Platinum

3.8/ 5

.050"18mm, ⌀14x1.25HR 5

PTR5D-10

Platinum

3.8/ 5

.039"18mm, ⌀14x1.25HR 5

PTR5C-13

Platinum

3.8/ 5

.050"18mm, ⌀14x1.25HR 5

RS12PYP

Platinum

3.7/ 5

.049"17.5mm, ⌀14x1.25HR 12

HR9DPX

Copper-Platinum

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 9

T16EPR-U

Copper

3.3/ 5

.031"18mm, ⌀14x1.25HR 16

T20EPR-U

Copper

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

T20EP-U

Copper

3.3/ 5

.031"18mm, ⌀14x1.25HR 20

MA20P-U

Copper

3.3/ 5

.035"11.6mm, ⌀18x1.5HR 20

AP7FS

Copper

2.9/ 5

.035"11mm, ⌀18x1.5HR 7

Same specs (2)

Products that have identical characteristics that impact interchangability

HR9DPX

Copper-Platinum

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 9

HR9LCX+

Copper

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 9

Bigger gap (2)

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

7940-2

Platinum

3.8/ 5

.049"17.5mm, ⌀14x1.25HR 14

RS14PYPB5

Platinum

3.8/ 5

.049"17.5mm, ⌀14x1.25HR 14

One step colder (2)

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

HR8DPX

Copper-Platinum

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 8

HR8DCX

Copper

2.9/ 5

.043"17.5mm, ⌀14x1.25HR 8

Two steps colder (1)

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

RS10PYC

Copper-Platinum

3.3/ 5

.043"17.5mm, ⌀14x1.25HR 10