- Stock: In Stock
- Model: FIX J0502
- Weight: 0.12kg
- Dimensions: 48.00mm x 44.00mm x 44.00mm
- SKU: FIX J0502
- UPC: 6940425117065
Available Options
Fixman Spark Plug Socket 3/8" Drive x 21mm
At a Glance: 21mm spark plug socket with 3/8" drive for removing and installing compatible spark plugs during engine servicing
The Fixman FIX J0502 3/8" drive spark plug socket is designed for the removal and installation of compatible spark plugs with a 21mm hex size. Its extended socket profile helps reach spark plugs positioned inside recessed cylinder-head openings, while the 3/8" square drive is compatible with suitable ratchets, extension bars and torque wrenches. It is a practical addition to automotive, motorcycle, machinery, generator and general engine-maintenance toolkits.
A spark plug socket provides the depth and access required to reach spark plugs installed inside recessed engine openings. The 21mm socket size fits compatible spark plug hex profiles, while the 3/8" drive allows the socket to be used with common workshop ratchets and extensions.
Product highlights
- 21mm socket size Suitable for compatible spark plugs with a 21mm hex profile.
- 3/8" drive Works with compatible 3/8" drive ratchets, extensions and torque wrenches.
- Spark plug socket design Provides the depth required to access recessed spark plugs.
- Engine servicing accessory Useful for spark plug removal, inspection and replacement.
- Workshop essential A practical addition to automotive and mechanical maintenance toolkits.
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.
Pro Tips
- Use a suitable extension bar where the spark plug sits deep inside the cylinder head.
- Loosen the spark plug gradually while keeping the socket aligned with the plug.
- Thread a replacement spark plug in by hand first to reduce the risk of cross-threading.
- Use a torque wrench for final tightening rather than guessing with a standard ratchet.
How to Use
- Switch off the engine and allow it to cool completely.
- Disconnect the spark plug lead or ignition coil according to the engine manufacturer&s procedure.
- Clean loose dirt and debris from around the spark plug opening.
- Attach the 21mm spark plug socket to a compatible 3/8" drive extension and ratchet.
- Lower the socket straight onto the spark plug until it is fully seated.
- Turn anti-clockwise using steady pressure to loosen and remove the spark plug.
- When installing a replacement, thread the spark plug in by hand first.
- Tighten the spark plug to the manufacturer&s specified torque using a suitable torque wrench.
- Remove the socket carefully and reconnect the spark plug lead or ignition coil.
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.