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- 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
Fits:
Porsche 924 1980-85 Manual Transmission: VQ VR UV MD ME MF MB MX
Porsche 924S 1986-88 Manual Transmission
Porsche 944 1982-85 Manual Transmission
Porsche 944 1986-88 Manual Transmission: 5Y 5S 5Z 7V 5P 5R UY 9U AGP AGR AOR
Porsche 944 1988-91 Manual Transmission: ASG ASH AOR AOS AOT ASV ASW
Diagram Ref no 41
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
014311295E
The product you are viewing cross references to these numbers
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 993 (911) RS 1994-97
The OE Match Synchroniser Ring is a replacement manual-transmission synchroniser component designed for the 3rd / 4th gear synchromesh assembly on selected Porsche G50 gearboxes.
Price Shown Is For Each.
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 993 (911) RS 1994-97
Diagram Ref No 7
The synchroniser ring is positioned inside the gearbox and plays an essential role in allowing smooth gear engagement. Before the selected gear engages, the synchroniser helps equalise the rotational speeds of the gear and transmission shaft, reducing the likelihood of gear clash or grinding.
This OE Match replacement is suitable for gearbox rebuilding or repair where the original synchroniser ring has become worn, glazed, scored or damaged.
What This Product Does:
During a manual gear change, the gearbox components involved are rotating at different speeds.
The synchroniser system brings these speeds together before the gear teeth fully engage.
The synchroniser ring helps:
- Match gear and shaft rotational speeds
- Allow smoother 3rd and 4th gear engagement
- Reduce gear grinding during shifts
- Reduce shock loading on transmission components
- Protect engagement teeth and synchroniser hubs
- Improve shift quality
- Provide more consistent manual gearbox operation
Without an effective synchroniser, the driver may need to apply greater force to select the gear, and the engagement teeth can begin to clash before their speeds have equalised.
Symptoms Of Wear Or Failure:
Synchroniser rings are friction components and naturally wear over time through repeated gear changes.
Common symptoms of a worn 3rd or 4th gear synchroniser can include:
- Grinding when selecting 3rd gear
- Grinding when selecting 4th gear
- Difficult or reluctant gear engagement
- Notchy gear changes
- Increased effort required at the gear lever
- Gear engaging more easily when shifted slowly
- Gear clash during fast shifts
- Poor shifting when the gearbox is cold
- Difficulty downshifting into 3rd or 4th
- Improved shifting when double-declutching
- Metallic noise during gear engagement
- Visible scoring or wear on the synchroniser ring during gearbox inspection
- Rounded, damaged or worn engagement surfaces
Similar symptoms can also be caused by worn dog teeth, selector components, bearings, shift linkage or clutch problems, so the transmission should be properly diagnosed before dismantling.
Why Replacement Matters:
A worn synchroniser ring cannot effectively equalise the speeds of the gearbox components before engagement.
As wear progresses, the driver may experience increasingly difficult or noisy shifts.
Continuing to use a badly worn synchroniser can contribute to damage to:
- Gear engagement teeth
- Synchroniser hubs
- Sliding sleeves
- Dog teeth
- Selector components
- Associated gearbox parts
Replacing the worn ring during a gearbox rebuild helps restore smooth synchronisation and reduces the risk of damaging more expensive transmission components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92830421130
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 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 GT2 2001-05
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MKII GT3 / GT3 RS 2010-11
Synchroniser ring is a replacement designed for Porsche manual gearbox applications, ensuring smooth and reliable gear changes. Installed within the transmission’s synchromesh hub assembly, this ring facilitates the engagement of gears by matching rotational speeds before meshing, thereby eliminating grinding and excessive wear. Built to match Porsche’s original specification.
Sold each
Fits:
Porsche 911 (993) (1995-1998) (3rd-6th gear and reverse gear)
Porsche 911 (996) GT2 (2002-2005) (3rd-6th gear)
Porsche 911 (996) GT3 (2000-2005) (3rd-4th gear)
Porsche 911 (996) Turbo / S (2001-2005) (3rd-4th gear)
Porsche 911 (997) GT3 (2010-2011) (6th gear)
Porsche 911 (997) GT3 RS (2011) (6th gear)
Porsche 911 (997) GT3 RS 4.0 (2011) (6th gear)
• Position: Inside manual transmission, synchromesh ring for one of the gear sets (often 3rd/4th gear or 5th/6th depending on the gearbox).
• Function: Enables gear engagement by synchronising shaft speeds, preventing gear-grinding, facilitating smooth shifts and protecting gear teeth and synchroniser hubs.
• Applications: Ideal when the transmission is open for rebuild, when synchroniser wear is apparent (hard or noisy shifts, grinding) or when restoring a Porsche manual gearbox to high performance.
The synchroniser ring is key to proper manual gearbox operation. Over time, wear, heat and load cause the sliding surfaces to glaze or the ring teeth to degrade, leading to symptoms such as gear clash, difficult shifts, poor gear engagement or even damage to gear teeth and hubs. Replacing the synchroniser ring ensures:
• Smooth, reliable gear engagement
• Reduced gear-grinding and longer synchroniser life
• Protection for the gearbox internals from further wear
• Enhanced driving experience and drivetrain reliability
When to replace:
• The gearbox exhibits grinding when changing into a specific gear or range (often 3rd/4th or 5th/6th)
• Hard gear changes, slipping, or noise from the transmission under load
• Internal inspection shows wear or scoring on the old synchroniser ring surfaces
• You’re rebuilding the gearbox or performing a major service where opening the transmission is already necessary.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92830421123
The product you are viewing cross references to these numbers
- Porsche 993 (911) RS 1994-97
Fits:
Porsche 911 (993) RS 1995 G50.32 (M003)
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
Price is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030461711
The product you are viewing cross references to these numbers
- Porsche 993 (911) RS 1994-97
Fits:
Porsche 911 (993) RS 1995 G50.32 (M003)
Click 'Zoom in' for large parts diagram.
Diagram ref no 32
Two required. Price is for each.
Related reference numbers
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95030461311
The product you are viewing cross references to these numbers