Fixman Spark Plug 3/8" Dr. X 21mm

Extra Information

• Confirm that the spark plug has a compatible 21mm hex size before use.
• Allow the engine to cool completely before removing or installing spark plugs.
• Clean loose dirt and debris from around the spark plug before removal.
• Keep the socket straight and correctly aligned to avoid damaging the spark plug or cylinder-head threads.
• Start replacement spark plugs by hand before applying final tightening torque.
• Always follow the engine or spark plug manufacturer's torque specification.

Features

• Purpose-designed socket Intended for removing and installing compatible spark plugs.
• 21mm hex size Suitable for spark plugs with a compatible 21mm hex profile.
• 3/8" square drive fitment Compatible with suitable 3/8" drive tools and accessories.
• Extended socket profile Helps reach spark plugs positioned inside recessed cylinder-head openings.
• General engine-maintenance use Suitable for automotive, motorcycle, machinery and equipment servicing.

Benefits

• Improved spark plug access: The extended socket profile helps reach plugs installed inside recessed openings.
• Correct hex fit: The 21mm size provides proper engagement with compatible spark plug hex profiles.
• Controlled installation: Can be used with a suitable torque wrench when tightening spark plugs to the manufacturer's specification.
• Flexible reach: Compatible extension bars can be added for deeper or obstructed engine layouts.
• Reduced risk of damage: Using the correct socket size helps prevent slipping and rounding of the spark plug hex.

Application

• Removing compatible 21mm spark plugs
• Installing replacement spark plugs
• Routine engine servicing and tune-ups
• Automotive and motorcycle maintenance
• Generator and small-engine servicing
• Machinery and equipment maintenance
• Use with compatible 3/8" drive ratchets and extensions

Safety

• Switch off the engine and allow it to cool completely before beginning work.
• Wear suitable eye protection when servicing engines and mechanical equipment.
• Use the correct spark plug socket size to avoid slipping or damaging the spark plug.
• Keep the socket straight and fully seated while loosening or tightening the plug.
• Do not overtighten spark plugs, as this may damage the plug or cylinder-head threads.
• Do not use damaged, cracked or excessively worn sockets.
• Do not use the socket as a punch, pry tool, chisel or lever.
• Follow the engine manufacturer's servicing and torque instructions at all times.