Equivalents for the Autolite spark plug 4121
The Autolite 4121 spark plug with thread 14 mm, reach 12.7 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range medium. Browse its 96 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Technical information Autolite 4121 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 4121 spark plug?
The Autolite 4121 is interchangeable with: NGK BPR7HS, Bosch WR 6 BC, Champion RL82YC, Champion RL82YCC, Champion OE064, Champion OE071. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Autolite 4121?
Thread 14 mm, Reach 12.7 mm, Heat range Medium, 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.