Spark plug · Autolite

Equivalents for the Autolite spark plug AG603

Autolite AG603 is an automotive spark plug featuring reach 19.0 mm, heat range cold, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), thread 14 mm. 38 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Autolite AG603 spark plug

Torque
fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

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What can replace a Autolite AG603 spark plug?

The Autolite AG603 is interchangeable with: Champion N82, Denso W24ESZ-U, Autolite XS4063, Champion N59G, Champion N60R, Champion N84G. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Autolite AG603?

Thread 14 mm, Reach 19.0 mm, Heat range Cold, 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.