Equivalents for the Autolite spark plug 5503
Meet the Autolite 5503 spark plug — reach 18.5–21.5 mm, heat range hot, thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). 1000 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Autolite 5503 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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1000 equivalents compatible with the Autolite 5503 spark plug

























































































































































































































































































































































































































































































































































































































































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No equivalent for this brand selection.
What can replace a Autolite 5503 spark plug?
The Autolite 5503 is interchangeable with: NGK BKR5E, Bosch F8DC, Champion C9Y, NGK BKR6E, NGK BCP5ES, NGK BCP6ES. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Autolite 5503?
Thread 14 mm, Reach 18.5–21.5 mm, Heat range Hot, 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.