Bosch WR8LC+ Spark Plug

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Rating
Brand	Code
2.9 / 5 Overall
Bosch	WR8LC+
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications
Gap	Heat range
0.8mm (.031")	8
⌀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

How we find alternative spark plugs How we rate spark plugs

Cross-reference (1)

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

ZGR5A

Copper

3.1/ 5

.035"19mm, ⌀14x1.25HR 5

Deep reference (5)

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

242225539

Copper-Silver

3.3/ 5

.028"19mm, ⌀14x1.25HR 9

J16CR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 16

RN13LYC5

Copper

2.9/ 5

.049"19mm, ⌀14x1.25HR 13

RN14MC5

Copper

2.9/ 5

.049"19mm, ⌀14x1.25HR 14

Same specs (1)

Products that have identical characteristics that impact interchangability

WR8DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 8

Bigger gap (2)

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

WR8LPP33X

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 8

WR8DCX+

Copper

2.9/ 5

.043"19mm, ⌀14x1.25HR 8

One step colder (2)

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

WR7DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 7

WR6DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 6

Two steps colder (2)

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

242245514

Copper-Silver

3.3/ 5

.031"19mm, ⌀14x1.25HR 5

WR5DC+

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 5