Champion RN5C Spark Plug

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Rating

2.9 / 5 Overall
Champion	RN5C
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.6mm (.024")	5
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	21mm (13/16")
Reach	Hex size
Gasket	Removable Nut
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

W20ESR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 20

404

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

BR6ES

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 6

Deep reference (34)

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

W16ETR-S

Copper

3.3/ 5

.039"19mm, ⌀14x1.25HR 16

W16ESR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 16

W16ES-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 16

W20ES-U11

Copper

3.3/ 5

.043"19mm, ⌀14x1.25HR 20

W20ESR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 20

W20ESR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 20

WR7CPX+

Copper-Platinum

3.3/ 5

.043"19mm, ⌀14x1.25HR 7

WR7CPX

Copper-Platinum

3.3/ 5

.043"19mm, ⌀14x1.25HR 7

WR7CC

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

WR7CCX

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 7

BR6ES

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 6

404

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

403

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

WR7CC NS

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

WR7CC+

Copper

-

2.9/ 5

.028"19mm, ⌀14x1.25HR 7

WR7CCX+

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 7

WR7CC

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

WR7CCX

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 7

N5C

Copper

-

2.9/ 5

.026"19mm, ⌀14x1.25HR 5

W16EKR-S11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 16

B6EB-11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

B6ES-11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

BR6ES

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 6

BR6ES-11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

BUR6EB-11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

403

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

404

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

WR7CC

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

4055

Copper

-

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

404BP

Copper

-

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

WR7CC NS

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

WR7CC+

Copper

-

2.9/ 5

.028"19mm, ⌀14x1.25HR 7

WR7CCX+

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 7

4056

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 9

Same specs (7)

Products that have identical characteristics that impact interchangability

XST4055

Iridium-Platinum

4.2/ 5

.024"19mm, ⌀14x1.25HR 7

241268506

Copper-Silver

3.5/ 5

.024"19mm, ⌀14x1.25HR -8

W07CS

Copper-Silver

3.5/ 5

.024"19mm, ⌀14x1.25HR -7

2594

Copper

-

2.9/ 5

.024"19mm, ⌀14x1.25HR 3

4051

Copper

-

2.9/ 5

.024"19mm, ⌀14x1.25HR 1

4055

Copper

-

2.9/ 5

.024"19mm, ⌀14x1.25HR 7

N21

Copper

-

2.9/ 5

.024"19mm, ⌀14x1.25HR 21

Bigger gap (3)

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

4054

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

4054DP2

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

4056

Copper

-

2.9/ 5

.031"19mm, ⌀14x1.25HR 9