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Rear Differential
By OE Match
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 993 (911) C2 1994-97
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII GT2 RS 2011-13
- 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
Fits:
Porsche 911 1987-89
Porsche 911 Turbo 1975-89
Porsche 968 1992-95
Porsche 964 C2 / C4 1989-94
Porsche 993 C2 1994-98
Porsche 986 Boxster S 2000-04
Porsche 996 C2 / C4 1998-05
Porsche 996 Turbo GT2 2001-05
Porsche 996 GT3 2000-05
Porsche 997.1 Turbo / GT2 / GT2 RS 2007-09
Porsche 997.2 GT2 RS 2011
Porsche 997 GT3 / GT3 RS 2007-11
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99905906400
The product you are viewing cross references to these numbers
OEMatch Rear Differential — Fit, Function, Confidence
OEMatch rear differentials for Porsche models provide the mechanical link between gearbox and rear wheels, helping distribute torque during cornering and maintain traction. These units influence handling balance and traction across road and track use and are selected for Porsche applications.
Available Types
- Standard open differentials
- Limited-slip differentials (LSD)
- Rebuilt and exchange units
Understanding OEMatch Rear Differential
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original rear differential.
OE (Original Equipment) refers to parts matching original specifications for the rear differential and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM rear differential engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
The rear differential transmits torque from the transmission to the rear axles while permitting different wheel speeds during turns, preserving handling balance and preventing excessive wheelspin. A well-maintained differential supports stable cornering, predictable traction and smoother power delivery.
Benefits Include
- Restores balanced torque distribution for predictable handling
- Improves traction and acceleration out of corners
- Reduces noise, vibration and drivetrain harshness
Why Rear Differential Wear and Fail
- Low or contaminated differential oil causing friction and overheating
- Bearing wear leading to noise or vibration
- Gear tooth pitting, chipping or fatigue from torque overload
- Seal failure allowing lubricant loss and contamination
The Importance of Replacing with OEMatch Rear Differential
Replacing a worn or damaged rear differential restores dependable power delivery and traction, helping to recover the vehicle’s original handling balance. Timely replacement or rebuild reduces the risk of secondary gearbox or axle damage and supports long-term driveline performance on Porsche models.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Made to original-spec dimensions and tolerances for Porsche models
- Suitable for manual, Tiptronic and PDK drivetrains on many Porsche models
