Spark plug · Denso

Equivalents for the Denso spark plug U27FER9

Denso U27FER9 is a spark plug featuring reach 19.0 mm, tightening torque cast iron 10–15 N·m · aluminium 10–12 N·m — or 180° (½ turn), heat range cold, thread 10 mm. 48 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Denso U27FER9 spark plug

Tip
non projected
Construction
Standard construction
Terminal
Threaded-Terminal
Torque
cast iron 10–15 N·m · aluminium 10–12 N·m — or 180° (½ turn)

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What can replace a Denso U27FER9 spark plug?

The Denso U27FER9 is interchangeable with: NGK C9EH9, Bosch F002G40504, Champion RGU92C, NGK C9EH-9, NGK CR9EH9, NGK CR9EH-9. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso U27FER9?

Thread 10 mm, Reach 19.0 mm, Heat range Cold, Seat Flat (gasket), Tip non projected, Construction Standard construction, Terminal Threaded-Terminal, Torque cast iron 10–15 N·m · aluminium 10–12 N·m — or 180° (½ turn)

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.