Champion J17LM Spark Plug

The Champion J17LM is a 14 mm replacement spark plug trusted for reliable starts and a consistent spark. Its extended-length design makes it a long-standing choice for walk-behind mowers, tillers and other small lawn and garden engines that call for this plug.

Features

• Built for lawn and garden small engines
• 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: J17LM
• Thread diameter: 14 mm
• Thread reach: 3/8" (9.5 mm)
• Heat range: 17
• 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.