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- 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 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
Fits all Porsche 996 and Boxster S 986 transmissions. G86/20, G96/00, G96/01, G96/30, G96/31
Replaces part 996.302.296.00
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630229600
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Fits:
Porsche 986 Boxster S 2000-04 (6 speed)
Porsche 996 (6 speed) 1999>> 7 teeth for 1st/2nd gears
Click 'Zoom in' for large parts diagram.
Diagram Ref No. 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630461100
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Fits:
Porsche 986 Boxster S 2000-04 6-Speed Manual
Porsche 996 C2/C4 1998-01 6-speed Manual
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Price is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630461320
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
The OE Match Synchro Cone Ring is a replacement manual-transmission synchroniser component for the 1st and 2nd gear synchromesh assembly on selected Porsche 986 Boxster S and 996 Carrera models.
Fits:- Porsche Boxster S 986 3.2L 2000-02 (6-Speed Manual)
- Porsche Boxster S 986 3.2L 2003-04 (6-Speed Manual)
- Porsche 996 C2 3.4L 1997-08/01 (6-Speed Manual)
- Porsche 996 C4 3.4L 1997-08/01 (6-Speed Manual)
Diagram Ref No 4
Located inside the gearbox, the cone ring uses friction to help equalise the rotational speed of the selected gear and transmission shaft before the engagement components lock together.
This process is essential for smooth gear selection and helps prevent grinding, crunching and excessive shock loading during shifts.
The OE Match replacement is suitable for gearbox rebuilding or repair where the original cone ring has become worn, glazed, scored or otherwise unable to provide effective synchronisation.
What This Product Does:
When the driver changes gear, the selected gear and transmission shaft may be rotating at different speeds.
Before the gear can engage cleanly, the synchroniser assembly must bring those speeds together.
The synchro cone ring helps:
- Synchronise rotational speeds before gear engagement
- Support smooth selection of 1st and 2nd gear
- Reduce crunching and gear clash
- Reduce shock loading during gear changes
- Protect the operating sleeve and engagement teeth
- Improve gear-change precision
- Reduce the effort required to select a gear
- Maintain reliable manual transmission operation
The cone ring works as part of a complete synchroniser assembly rather than operating independently. Correct operation also depends on the condition of the synchroniser rings, guide sleeve, dog teeth, gears and selector components.
Symptoms Of Wear Or Failure:
Common symptoms of a worn 1st/2nd gear synchro cone ring can include:
A worn synchroniser system may also be associated with 2nd gear pop-out, but this symptom should not automatically be attributed to the cone ring alone. The guide sleeve, gear engagement teeth, synchroniser rings, selector mechanism and other gearbox components may also contribute.
Why Replacement Matters:
A worn cone ring cannot synchronise the selected gear quickly enough before engagement.
If the gearbox continues to be used with poor synchronisation, repeated gear clash can accelerate wear to other transmission components.
Potential secondary damage can affect:
- Gear engagement teeth
- Dog teeth
- Guide / operating sleeve
- Synchroniser rings
- Selector components
- Gear wheels
- Associated transmission parts
Replacing a worn cone ring as part of a correctly diagnosed gearbox repair helps restore smooth synchronisation and can prevent further deterioration of more expensive components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630461320
The product you are viewing cross references to these numbers