Equivalents for the Motorcraft spark plug 420
Meet the Motorcraft 420 spark plug with tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), thread 18 mm, heat range medium. Compare its 444 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Motorcraft 420 spark plug
- Resistor
- No
- Torque
- fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)
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444 equivalents compatible with the Motorcraft 420 spark plug
- A
- K
- K
- K
- A
- L
- N
- L
- N
- N
- X
- N
- N
- N
- N
- N
- N
- N
- P
- M
- M
- B
- B
- E
- L
- L
- B
- E
- J
- L
- N
- N
- X
- N
- X
- L
- N
- H
- M
- M
- B
- B
- B
- E
- B
- B
- M
- M
- M
- P
- U
- H
- H
- H
- H
- B
- B
- B
- M
- M
- M
- N
- N
- N
- H
- H
- E
- M
- N
- N
- N
- H
- H
- H
- H
- A
- A
- A
- A
- L
- V
- V
- V
- M
- V
- V
- V
- V
- V
- P
- P
- P
- P
- P
- P
- P
- P
- P
- P
- P
- P
- P
- H
- M
- P
- P
- P
- P
- P
- P
- P
- H
- B
- M
- M
- M
- M
- B
- M
- M
- M
- M
- M
- M
- M
- M
- W
- W
- W
- W
- W
- W
- W
- M
- L
- L
No equivalent for this brand selection.
What can replace a Motorcraft 420 spark plug?
The Motorcraft 420 is interchangeable with: NGK AP5FS, Bosch WR5, Champion F22, Bosch M12B, Bosch WR4-1, Bosch WR5VX. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Motorcraft 420?
Thread 18 mm, Heat range Medium, Resistor No, Seat Flat (gasket), Torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)
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.