Equivalents for the Autolite spark plug AT4
Autolite AT4, a spark plug with heat range very cold, thread 14 mm, reach 9.5 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). All its 572 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Autolite AT4 spark plug
- Resistor
- no
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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572 equivalents compatible with the Autolite AT4 spark plug



















































































































































































































































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No equivalent for this brand selection.
What can replace a Autolite AT4 spark plug?
The Autolite AT4 is interchangeable with: Bosch W7E, Champion J5, Denso W14, Bosch W8E, Bosch W8F, Bosch W9E. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Autolite AT4?
Thread 14 mm, Reach 9.5 mm, Heat range Very cold, Gap 1.0mm, Resistor no, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 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.