Equivalents for the Motorcraft spark plug AF3NX
Meet the Motorcraft AF3NX spark plug : thread 14 mm, tightening torque fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour), reach 17.5–20.0 mm, heat range very hot. 231 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Motorcraft AF3NX spark plug
- Resistor
- yes
- Torque
- fonte 10–20 N·m · alu 10–20 N·m — ou 180°–240° (½–⅔ tour)
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231 equivalents compatible with the Motorcraft AF3NX spark plug









































































- K
- K
- L
- N
- J
- L
- N
- J
- L
- N
- N
- J
- N
- C
- C
- N
- N
- X
- N
- X
- N
- X
- N
- C
- C


- P
- C
- C
- N
- N
- O
- O
- P
- P
- A
- N
- O
- O

- M
- A
- H
- H
- B
- E
- B
- E
- H
- H
- H
- H
- H
- P
- P
- P
- M
- M
- B
- E
- B
- E
- H
- H


















































- P
- P
- P
- P
- P
- P
- P
- C
- A
- T
- G
- O
- O
- O
- S

- T




- M
- G
- O
- G
- O
- M
- M
- T
- M
- D

- M
- K
- K

- T
- T
- T
- T
No equivalent for this brand selection.
What can replace a Motorcraft AF3NX spark plug?
The Motorcraft AF3NX is interchangeable with: Bosch HR9LPX, Champion CJ6, Denso T20MU, Bosch HS5E, Bosch HS6E, Bosch HS8E. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Motorcraft AF3NX?
Thread 14 mm, Reach 17.5–20.0 mm, Heat range Very hot, Resistor yes, Seat Tapered, Torque fonte 10–20 N·m · alu 10–20 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.