Equivalents for the Caterpillar spark plug 851101
Caterpillar 851101, a spark plug : reach 9.5 mm, thread 14 mm, heat range medium, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). Here are its 212 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information Caterpillar 851101 spark plug
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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212 equivalents compatible with the Caterpillar 851101 spark plug



















































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- T
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No equivalent for this brand selection.
What can replace a Caterpillar 851101 spark plug?
The Caterpillar 851101 is interchangeable with: Bosch W9EC0, Champion RC8J, Denso W16SU, Bosch WS6E, Bosch WS7E, Bosch WS8E. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Caterpillar 851101?
Thread 14 mm, Reach 9.5 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.