Champion RJ12C Spark Plug

The Champion RJ12C is a compact 14 mm replacement spark plug trusted for reliable starts and a consistent spark. Its copper core and built-in resistor make it a popular choice for lawn mowers, tillers, edgers and other small engines that call for this plug.

Features

• Compact short-body design for tight engine spaces
• Copper core for efficient heat transfer
• Built-in resistor to suppress electrical noise
• Easy direct replacement for worn or fouled plugs

Specifications

• Brand: Champion
• Part number: RJ12C
• Thread diameter: 14 mm
• Thread reach: 3/8" (9.5 mm)
• Heat range: 12
• Resistor: Yes
• Core: Copper

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.