Denso QJ16AR-U Spark Plug

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Rating

3.3 / 5 Overall
Denso	QJ16AR-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")	16mm (5/8")
Reach	Hex size
Gasket	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

ZFR5F

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 5

RFN14LY

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 14

5224

Copper

2.9/ 5

.045"19mm, ⌀14x1.25HR 3

Deep reference (48)

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

VK16

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 16

VK20

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

RC10DMC

Copper

-

3.3/ 5

.035"19mm, ⌀14x1.25HR 10

K16GPR-U11

Copper

-

3.3/ 5

.043"22mm, ⌀14x1.25HR 16

K16TR11

Copper

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 16

Q16PR-U

Copper

-

3.3/ 5

.031"19mm, ⌀14x1.25HR 16

BKR5EKB-11

Copper

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 5

FLR8LDCU+

Copper

3.2/ 5

.039"19mm, ⌀14x1.25HR 8

FLR8LDCU

Copper

3.2/ 5

.039"19mm, ⌀14x1.25HR 8

ZFR5F-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 5

FR5-1

Copper

3.1/ 5

.039"19mm, ⌀14x1.25HR 5

ZFR6A-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

ZFR6F-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

ZFR5E-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 5

ZFR5F OSN

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 5

ZFR5J-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 5

ZFR6J-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

ZFR6F-11G

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

BKR5EKU

Copper

3.1/ 5

.028"19mm, ⌀14x1.25HR 5

ZFR4F-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 4

ZFR5A-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 5

ZFR5F

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 5

ZFR5F-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 5

ZFR6K-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

ZFR7F

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 7

BKR5E

Copper

3.1/ 5

.035"19mm, ⌀14x1.25HR 5

RC9MCC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

5224

Copper

2.9/ 5

.045"19mm, ⌀14x1.25HR 3

985

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 4

FR9LCX

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 9

FR9LCX+

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 9

FR8LCX+

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 8

FR8LCX

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 8

QC9MC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC11ZYC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 11

RC12LC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC12MCC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 12

RC9MC4

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 9

RC9MCC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 9

KJ14CR11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 14

KJ20CR11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 20

KJ20DR-M11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 20

QJ20CR11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 20

ZFR5D-11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 5

KJ14CR-L11

Copper

2.8/ 5

.043"19mm, ⌀14x1.25HR 14

KJ16CR-L11

Copper

2.8/ 5

.043"19mm, ⌀14x1.25HR 16

KJ20CR-L11

Copper

2.8/ 5

.043"19mm, ⌀14x1.25HR 20

FR8HCOX

Copper

2.7/ 5

.043"19mm, ⌀14x1.25HR 8

Bigger gap (3)

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

IK16L

Copper-Iridium

4.3/ 5

.043"19mm, ⌀14x1.25HR 16

KJ16CR-U11

Copper

-

3.3/ 5

.043"19mm, ⌀14x1.25HR 16

QJ16HR-U

Copper

-

3.3/ 5

.035"19mm, ⌀14x1.25HR 16