Denso VK20T 5501 Spark Plug

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Rating

4.2 / 5 Overall
Denso	VK20T
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.8mm (.031")	20
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 (1)

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

BKR6EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 6

Deep reference (11)

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

RC8WYPB4

Iridium-Platinum

-

4.2/ 5

.039"19mm, ⌀14x1.25HR 8

XP5503

Iridium-Platinum

-

4.2/ 5

.045"19mm, ⌀14x1.25HR 2

XP5503DP2

Iridium-Platinum

-

4.2/ 5

.045"19mm, ⌀14x1.25HR 2

XS3923

Iridium-Platinum

-

4.2/ 5

.045"19mm, ⌀14x1.25HR 2

XS3923DP

Iridium-Platinum

-

4.2/ 5

.045"19mm, ⌀14x1.25HR 2

XS3924

Iridium-Platinum

-

4.2/ 5

.045"19mm, ⌀14x1.25HR 3

XS3924DP

Iridium-Platinum

-

4.2/ 5

.045"19mm, ⌀14x1.25HR 3

K20PSR-B8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 20

SVK20RZ8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 20

VK20

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

241240585

Copper-Silver

3.3/ 5

.028"19mm, ⌀14x1.25HR 6

Same specs (18)

Products that have identical characteristics that impact interchangability

IFR6B

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 6

SKJ20CR-A8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 20

SVK20RZ8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 20

SK20R8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 20

SK20PR-A8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 20

K20PSR-B8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 20

IFR6F8DN

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 6

FR6EI

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 6

IFR6B-K

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 6

PK20R8

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 20

BCPR6EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 6

BCPR6EP-N-8

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 6

PFR6G

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 6

PK20GR8

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 20

PK20PR-P8

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 20

BKR6EP-8

Copper-Platinum

3.5/ 5

.031"19mm, ⌀14x1.25HR 6

BKR6EYA

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 6

BKR6E

Copper

3.1/ 5

.031"19mm, ⌀14x1.25HR 6

Bigger gap (51)

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

SK20PR-L11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

IFR6T-11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

IFR6B11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

IFR6L-11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

IFR6G-11K

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

VK20G

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

VK20PRZ-11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

VK20

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

VQ20

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

SK20BGR11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

SVK20RZ11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

SK20PR-A11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

SK20R11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

SK20R-P11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

IFR6V-10G

Iridium-Platinum

-

4.2/ 5

.039"19mm, ⌀14x1.25HR 6

IFR6J11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

IFR6E-11

Iridium-Platinum

-

4.2/ 5

.043"19mm, ⌀14x1.25HR 6

PFR6B-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

PFR6A-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

BCPR6EP-N-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

PFR6L-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

PK20PR-P11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

BCPR6EIX-11

Copper-Iridium

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

PFR6T-10G

Platinum

3.8/ 5

.039"19mm, ⌀14x1.25HR 6

PFR6G-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

ZFR6AIX-11S

Copper-Iridium

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

PFR6H-10

Platinum

3.8/ 5

.039"19mm, ⌀14x1.25HR 6

PK20R11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

PK20PR-L11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

PFR6N-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

BCPR6EP-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

PFR6J-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

PK20PR11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

BKR6EIX-11

Copper-Iridium

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

K20PRTP11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

BKR6EP-11

Copper-Platinum

3.5/ 5

.043"19mm, ⌀14x1.25HR 6

BCPR6EGP

Copper-Platinum

3.5/ 5

.039"19mm, ⌀14x1.25HR 6

ZFR6BGP-S

Copper-Platinum

3.5/ 5

.039"19mm, ⌀14x1.25HR 6

BKR6E-N-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

BCPR6EY-N-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

ZFR6K-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

BCPR6E-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

BKR6E-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

BKR6EY

Copper

3.1/ 5

.035"19mm, ⌀14x1.25HR 6

BCPR6EY-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

BCPR6E

Copper

3.1/ 5

.035"19mm, ⌀14x1.25HR 6

BKR6ES-11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

BCPR6ES

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 6

K20PR-L11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 20

BCPR6ES-11

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 6

BKR6ES

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 6

One step colder (7)

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

VQ22

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 22

IFR7F-8DS

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀14x1.25HR 7

PK22PR8

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 22

BKR7EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 7

BCPR7EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 7

PFR7N8DS

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 7

PFR7AB

Platinum

3.8/ 5

.031"19mm, ⌀14x1.25HR 7

Two steps colder (1)

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

BKR8EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀14x1.25HR 8