Equivalents for the Mopar spark plug PARTS 4504278
Mopar PARTS 4504278 is a spark plug. Here are its 594 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
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594 equivalents compatible with the Mopar PARTS 4504278 spark plug

















































































































































































































































































































- E
- K
- N


- B
- B
- P
- P
- U
- U
- U
- U
- M


- U
- U
- U
- U
- U
- U
- U
- U
- H
- M
- N
- S
- S

- B
- I
- L
- H
- N
- S
- M
- J
- J

- J
- S
- S
- S


- L
- H







- H

- S
- M





















































































































































- A
- A
- A
- L
- G
- G
- V
- D

- P
- B
- B
- B
- B
- V
- M

- M
- M


- M
- M





- B
- B
- B
- B
- B
- B
- C

- M


- D
- R
- R
- D
- R
- R
- F
- M
- M
- M



- B
- L

- B
- L







- R
- R
- R
- R
- R
- R
- R
- R
- F





No equivalent for this brand selection.
What can replace a Mopar PARTS 4504278 spark plug?
The Mopar PARTS 4504278 is interchangeable with: NGK BR6EF, Bosch H6D, Champion G15Y, NGK BR7EF, NGK BPR6EF, NGK BR7EFS. These spark plugs share the same mounting (thread, seat) and heat range.
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.