Equivalents for the Autolite spark plug 3647
Meet the Autolite 3647 spark plug — heat range very hot, 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 17 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Autolite 3647 spark plug
- Resistor
- yes
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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17 equivalents compatible with the Autolite 3647 spark plug
No equivalent for this brand selection.
What can replace a Autolite 3647 spark plug?
The Autolite 3647 is interchangeable with: Bosch WR9FCY, Champion RJ18YC6, Denso W16PR-U15, Motorcraft AS42C-6, ACDelco R44SX, Mighty M4R426. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Autolite 3647?
Thread 14 mm, Reach 9.5 mm, Heat range Very hot, Gap 1.5mm, Resistor yes, 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.