Spark plug · Marelli

Equivalents for the Marelli spark plug CW 5 NP

Meet the Marelli CW 5 NP spark plug : thread 14 mm, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), reach 12.7 mm, heat range hot. 18 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Marelli CW 5 NP spark plug

Torque
cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)

→ How to read a Magneti Marelli reference

Buy this spark plug Marelli CW 5 NP — best retailers

Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.

What can replace a Marelli CW 5 NP spark plug?

The Marelli CW 5 NP is interchangeable with: NGK BP5HS, Bosch W 4 AC, Denso W 24 EP, NGK B 7 HV, Denso W 24 ESR, Beru 14 Z-3 AU. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Marelli CW 5 NP?

Thread 14 mm, Reach 12.7 mm, Heat range Hot, Resistor No, Seat Flat (gasket), Torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ 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.