Champion CJ4 Spark Plug

The Champion CJ4 is a compact 14 mm replacement spark plug trusted for reliable starts and a steady spark in small engines. Its short-body design is a long-standing choice for chainsaws, trimmers, blowers and other 2-stroke outdoor power equipment.

Features

• Compact short-body design for tight engine spaces
• Non-resistor design for engines that specify one
• Durable construction for consistent, dependable performance
• Easy direct replacement for worn or fouled plugs

Specifications

• Brand: Champion
• Part number: CJ4
• Thread diameter: 14 mm
• Thread reach: 3/8" (9.5 mm)
• Heat range: 4
• Resistor: No

Fitment

Always confirm the correct spark plug for your engine using your owner's manual or the part number on your existing plug. Check and set the electrode gap to your equipment manufacturer's specification before installing.