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Gudgeon Circlip Fitting Tool. Porsche 986 / 987 / 996 / 997 ❭ C4009A
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Wrist Pin (Gudgeon Clip) Fitting Tool – Precision Alignment & Installation Kit for Engine Rebuilds
This wrist pin (gudgeon clip) fitting tool set is
specifically designed for Porsche’s flat-six engines found in the 986
Boxster, 987 Boxster/Cayman, 996 Carrera, and 997.1
Carrera. Engineered to ensure precise piston wrist pin installation, this
tool kit dramatically reduces the risk of clip deformation, scoring, or
incorrect seating during engine assembly.
Fits:
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
With the tight tolerances of the M96/M97 engine platform, accurate wrist pin alignment is essential. A misaligned or improperly fitted gudgeon clip can cause catastrophic engine failure, including piston damage, cylinder scoring, or wrist-pin walk. This tool set ensures safe, controlled and professional-grade installation every time.
The kit includes an alignment tool, a pin driver, and an extension, providing everything required for correct gudgeon clip positioning during engine rebuilds.
What This Wrist Pin Fitting Tool Does
This specialist tool kit allows you to:
- Precisely
align the piston and wrist pin before installation
- Insert
the wrist pin smoothly and accurately using the dedicated pin driver
- Seat
gudgeon clips securely without distortion or damage
- Reduce
the risk of clip misalignment that can cause engine damage
- Ensure
correct piston-to-rod positioning during assembly
- Work efficiently in confined spaces with the included extension tool
This complete set is essential for professional engine rebuilders and experienced enthusiasts.
Kit Contents
1×
Wrist Pin Alignment Tool – Ensures perfect piston/rod orientation
1×
Pin Driver – Applies controlled force to install wrist pins
1×
Extension – Provides reach for difficult-to-access bores and bank
positions
Engineered for accuracy, durability and repeatable performance.
Why Wrist Pin & Gudgeon Clip Installation Fails
Incorrect installation can lead to:
- Clip
deformation due to poor tools or improper force
- Incorrect
seating, allowing the pin to drift
- Cylinder
scoring if a clip dislodges while running
- Piston
damage from misaligned pins
- Stress
fractures in circlips due to over-compression
- Assembly errors caused by limited access in boxer engines
These issues can result in full engine failure, making proper tools essential.
Why You Should Replace or Use a Precision Wrist Pin Installation Tool
Using a specialist wrist pin fitting tool ensures:
- Accurate and safe gudgeon clip installation
- Protection from catastrophic wrist pin walk
- Professional-grade rebuild results
- Reduced risk of damage during assembly
- Consistent, repeatable clip seating
- Correct wrist pin/piston/rod alignment
- Confidence when rebuilding M96/M97 engines
This tool set eliminates guesswork and ensures clean, precise engine assembly.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
C4009A
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1974-89
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91172101105
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 G model years 1983 to 1989
Tool bag consisting of:
5x double open-end wrenches (1x 8x9, 10x11, 12x13, 14x15 and 17x19),
1x wheel nut wrench,
1x special wrench SW24,
1x holding tool for V-belt pulley,
1x combi pliers,
1x V-belt,
1x towing eye,
1x hand crank,
1x Phillips screwdriver,
1x flat-head screwdriver,
1x spark plug wrench,
1x ratchet for spark plug change,
1x special hex key,
1x test lamp,
1x crank attachment slot,
1x crank attachment hexagon,
5x fuses,
1x cleaning cloth.
Download PDF / Flyer
Porsche Classic has also developed a new tool bag for the Porsche 911 G models from the model years 1983 to 1989. The design convinces with the successful combination of leather and black and white pinstripe velour. In the 1980s, this design was a very popular trim level. All metal parts are matte black, reminiscent of the exterior trim elements of the late 911 G models.
In addition to those tools that can also be found in the 911 pocket for the model years 1974 to 1982, there are additional tools for emergency operation in the event of a defective sunroof or window lift motor. Compared to the bags of the early G-models, this bag has a towing eye with a screw thread.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG93072110
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 911 1987-1989 3.2L G50
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95

Fits:
Porsche 911 1987-89
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 928 1987-95
Porsche 944 1982-91
Porsche 968 1992-95
Porsche 986 Boxster 1997-04
Porsche 993 1994-98
Porsche 996 1998-05
Porsche 996 Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477813157
The product you are viewing cross references to these numbers
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