Denso W16EPR-U Spark Plug

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Rating

3.3 / 5 Overall
Denso	W16EPR-U
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
U-Groove	Standard
Ground type	Center type

Specifications

0.8mm (.031")	16
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 (4)

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

XS65

Iridium-Platinum

4.2/ 5

.035"19mm, ⌀14x1.25HR 10

RN14PMC3

Copper-Platinum

-

3.3/ 5

.030"19mm, ⌀14x1.25HR 14

BPR5ES

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 5

4265

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 10

Deep reference (41)

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

VW16

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 16

VW16

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 16

VW16

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 16

W16EXZU

Copper-Platinum

3.9/ 5

.028"19mm, ⌀14x1.25HR 16

W16EXZU

Copper-Platinum

3.9/ 5

.028"19mm, ⌀14x1.25HR 16

GR4IX OSN

Copper-Iridium

3.8/ 5

.039"19mm, ⌀14x1.25HR 4

BPR5EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 5

BPR5EIX-11

Copper-Iridium

3.8/ 5

.043"19mm, ⌀14x1.25HR 5

GR4IX OSN

Copper-Iridium

3.8/ 5

.039"19mm, ⌀14x1.25HR 4

BPR5EGP

Copper-Platinum

3.5/ 5

.039"19mm, ⌀14x1.25HR 5

W14EPR-U

Copper

-

3.3/ 5

.031"19mm, ⌀14x1.25HR 14

W16EPR-U10

Copper

-

3.3/ 5

.039"19mm, ⌀14x1.25HR 16

W16EX-U

Copper

-

3.3/ 5

.031"19mm, ⌀14x1.25HR 16

W16EX-U11

Copper

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 16

W16EPR-U10

Copper

-

3.3/ 5

.039"19mm, ⌀14x1.25HR 16

5322

Copper

3.2/ 5

.030"19mm, ⌀14x1.25HR 11

5322

Copper

3.2/ 5

.030"19mm, ⌀14x1.25HR 11

WR8DC+ NS

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

WR8DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

N12YC

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 12

RN12MC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

BP4ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

BPR4ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

66

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

4265

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 10

WR9DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 9

404C2

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 12

405C2

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 14

4263

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

WR8DC+ NS

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

WR8DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

WR8DC+ NS

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

WR7DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

WR8DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

WR7DC

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 7

RN12MC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

BP4ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

BPR4ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 4

BPR5ES

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 5

BP5ES

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 5

WR8DCW

Copper

2.7/ 5

.035"19mm, ⌀14x1.25HR 8

Same specs (1)

Products that have identical characteristics that impact interchangability

J16CR-U

Copper

-

3.3/ 5

.031"19mm, ⌀14x1.25HR 16

Bigger gap (2)

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

W16EPR-U10

Copper

-

3.3/ 5

.039"19mm, ⌀14x1.25HR 16

W16EPR-U11

Copper

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 16

One step colder (1)

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

W20EPR-U

Copper

-

3.3/ 5

.031"19mm, ⌀14x1.25HR 20

Two steps colder (1)

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

W22EPR-U

Copper

-

3.3/ 5

.031"19mm, ⌀14x1.25HR 22