Champion QL78YC6 Spark Plug

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Rating
Brand	Code
2.9 / 5 Overall
Champion	QL78YC6
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications
Gap	Heat range
1.5mm (.059")	78
⌀14mm	1.25mm
Thread diameter	Thread pitch
12.7mm (1/2")	21mm (13/16")
Reach	Hex size
Gasket	Solid
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

BPZ8HS-10

Copper

-

2.9/ 5

.039"12.7mm, ⌀14x1.25HR 8

Deep reference (4)

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

QL78YC MARINE

Copper

-

2.9/ 5

.024"12.7mm, ⌀14x1.25HR 78

QL78YC6 MARINE

Copper

-

2.9/ 5

.059"12.7mm, ⌀14x1.25HR 78

QL78YC

Copper

-

2.9/ 5

.024"12.7mm, ⌀14x1.25HR 78

4121

Copper

-

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 2

Same specs (4)

Products that have identical characteristics that impact interchangability

5939

Copper

-

2.9/ 5

.059"12.7mm, ⌀14x1.25HR 78

924-1

Copper

-

2.9/ 5

.059"12.7mm, ⌀14x1.25HR 78

L78YC6 MARINE

Copper

-

2.9/ 5

.059"12.7mm, ⌀14x1.25HR 78

QL78YC6 MARINE

Copper

-

2.9/ 5

.059"12.7mm, ⌀14x1.25HR 78