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Porsche > 992 (911) MK1 2019-2024 > 992.1 Turbo 3.8L 2020-24 > Accessories > Specialist Tools >

Socket for centre lock wheel nut. Porsche 991 / 992 / 718 GT4 / 976
Socket for centre lock wheel nut. Porsche 991 / 992 / 718 GT4 / 976 - C4104
Socket for centre lock wheel nut. Porsche 991 / 992 / 718 GT4 / 976 - 99136106900, 9P1012218, 7339, 9P1012218A - C4104
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C4104
Product Information
Product Information

Centre Lock Wheel Nut Socket – Precision 15-Tooth Aluminium Tool for Safe Wheel Removal

This centre lock wheel nut socket is engineered for Porsche models equipped with centre-lock wheel systems, including the 991, 992, 718 GT4, and 976 applications. 

Fits:

  • Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
  • Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
  • Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-1
  • Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
  • Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
  • Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
  • Porsche 991.1 R 4.0L (500 Bhp) 2016
  • Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
  • Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Speedster 4.0L (510Bhp) 2019
  • Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
  • Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Speedster 4.0L 2019-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
  • Porsche 992.1 GT3 RS 4.0L 2022-24
  • Porsche 992.1 (911) Sport Classic 3.8L 2023
  • Porsche 992.1 (911) Dakar 3.0L 2023-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
  • Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
  • Porsche 992.2 Targa 4 GTS 3.6L 2024>>
  • Porsche 992.2 Turbo 3.6L 2024>>
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
  • Porsche Cayman GT4 Clubsport
  • Porsche Cayman GT4 RS Clubsport 2020-2024
  • Porsche 976 Panamera GTS V8 4.0L 2023>>
  • Porsche 976 Panamera Turbo E-Hybrid V8 4.0L 2023>>
  • Porsche 976 Panamera Turbo S E-Hybrid V8 4.0L 2023>>


Featuring a precisely machined 15-tooth engagement profile and a robust 3/4” drive, this lightweight aluminium socket provides a secure, non-marring connection to Porsche centre lock wheel nuts.

Centre-lock wheel systems operate under extremely high torque and require exact tool fitment to avoid damaging the nut’s profile or anodised surface. Unlike generic sockets, this precision tool ensures clean engagement, smooth operation and dependable torque application—essential for both track-side wheel changes and workshop maintenance.

Important: This socket must not be used with an impact gun, as impact force can damage both the nut and the tool.

What This Centre Lock Socket Does

This specialised tool allows you to:

  • Remove and install centre-lock wheel nuts safely
  • Ensure perfect engagement with the 15-tooth nut profile
  • Prevent marking, rounding or scuffing of the wheel nut surface
  • Apply torque smoothly and precisely using a 3/4” drive
  • Support track-day wheel changes and workshop servicing
  • Protect expensive centre-lock components from tool-related damage

Ideal for GT, turbo and motorsport-focused Porsche models.

Why Centre-Lock Wheel Sockets Fail

Lower-quality or incorrectly sized sockets often fail due to:

  • Soft or inferior metals deforming under high torque
  • Poor machining accuracy, causing misalignment
  • Use of impact guns, cracking or distorting the tool
  • Slippage under load, damaging the centre-lock nut
  • Wear from repeated use without adequate hardness

Damaged nuts can cost thousands to replace—so exact tooling is critical.

Why You Should Replace or Upgrade Your Centre Lock Socket

A high-quality socket ensures:

  • Accurate, damage-free wheel nut contact
  • Consistent torque application for safe wheel retention
  • Reduced risk of wheel hub or nut damage
  • Lightweight handling thanks to aluminium construction
  • Long-term performance in motorsport and workshop environments
  • Confidence during high-load wheel servicing on track or road

Replacing worn or incorrect sockets prevents costly wheel nut or hub repairs.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

C4104
99136106900
9P1012218
7339
9P1012218A

The product you are viewing cross references to these numbers
Related products
Wheel Mounting Tool - M14x1.5x1.55 - for Porsche 986/987/981/718 (982) & 996/997/991/992 & 955/957/958/9YA & 970/971/976 & 95B & 9J1 - 99957107430, 9A700773300
4
Wheel Mounting Tool - M14x1.5x1.55 - for Porsche 986/987/981/718 (982) & 996/997/991/992 & 955/957/958/9YA & 970/971/976 & 95B & 9J1
Special Order item
9A700773300
Product Information
Product Information
Wheel Mounting Tool – screws into a wheel bolt hole to hold the wheel in place, preventing slipping while refitting the bolts.

M14 x 1.5 x 1.55.

Fits:

Porsche 986 Boxster 1997-04

Porsche 987 Boxster 2005-12
Porsche 987 Cayman 2006-12

Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2014-16
Porsche 981 Cayman GT4 2016

Porsche 718 (982) Boxster 2017>>
Porsche 718 (982) Boxster Spyder 2019>>
Porsche 718 (982) Cayman 2017>>
Porsche 718 (982) Cayman GT4 2019>>

Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 / RS 1999-05

Porsche 997 Carrera 2005-12
Porsche 997 Turbo 2007-13
Porsche 997 GT3 / RS 2007-11

Porsche 991 Carrera 2012-19
Porsche 991 Turbo 2014-20
Porsche 991 GT3 / RS 2014-21

Porsche 992 Carrera 2019>>
Porsche 992 Turbo 2020>>

Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18
Porsche 9YA Cayenne 2018>>

Porsche 95B Macan 2014>>
Porsche 95C Macan-E 2024>>

Porsche 970 Panamera 2010-16
Porsche 971 Panamera 2017-24
Porsche 976 Panamera 2024>>

Porsche 9J1 Taycan 2020>>

Diagram ref. 23. 

NOTE: This tool is not suitable for vehicles with center-lock wheels.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A700773300
99957107430
9A700773300

The product you are viewing cross references to these numbers
Adapter for Porsche battery charger - 95504490055, 95504490056, 00004320255, 95804490075, 95804490175, 95804490176
1
Adapter for Porsche battery charger
Special Order item
95804490175
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Product Information
Adapter for Porsche battery charger.

porsche

For vehicles without cigarette lighter.
For connecting the Charge-o-mat and Charge-o-mat Pro (part number 95804490176) directly to the vehicle battery.




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95804490175
95504490055
95504490056
00004320255
95804490075
95804490175
95804490176

The product you are viewing cross references to these numbers
Alloy wheel bolt or nut soft socket prevents damage 19mm 1/2'Sq Drive
1
Alloy wheel bolt or nut soft socket prevents damage 19mm 1/2"Sq Drive
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SX03019
Product Information
Product Information
This socket has a externally sleeved and has a internal nylon head to prevent damage to alloy wheels and wheel nuts or bolts head

Alloy Wheel Impact Socket 19mm 1/2"Sq DriveChrome Molybdenum sockets, hardened, tempered and anodised for corrosion resistance. Suitable for use with impact tools. Six-point socket is externally and internally sleeved to prevent damage to alloy wheels and nuts.

Chrome Molybdenum socket, hardened, tempered and anodised for corrosion resistance.
• Suitable for use with impact tools.
• Six-point socket is sleeved to prevent damage to alloy wheels and nuts.
• Colour coded for easy size selection.
• Model No. SX03019• Chrome Molybdenum socket, hardened, tempered and anodised for corrosion resistance.
• Suitable for use with impact tools.
• Six-point socket is externally and internally sleeved to prevent damage to alloy wheels and nuts.
• Colour coded for easy size selection.19mm 1/2"Sq Drive Alloy Wheel Impact Socket