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Big end bearing shell, Set of 12. Porsche 986 Boxster / 987.1 Boxster / 987C.1 Cayman / 996 / 997.1 ❭ 99610312162
- 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 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
OE Match set of 12 big end bearing shells in standard size engineered to replace the original connecting rod bearings used on Porsche Boxster 986 / 987 and 911 996 / 997 and 987 Cayman platforms
Set of 12 Bearing Shells
Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 987.1 Boxster 2005 - 2008
Porsche 987C.1 Cayman 2006 - 2008
Porsche 996 1997 - 2005
Porsche 997 2005 - 2008
Diagram ref no 12.
Each bearing shell is produced with smooth, low-friction bearing surfaces and consistent wall thickness to maintain correct rod-to-crankshaft clearances when installed in the rod big end. The standard size designation indicates these bearings retain factory bore dimensions, ideal for engines where no crankshaft undersize machining has been performed.
Big end bearing shells provide the low-friction interface between the connecting rod and crankshaft journal. They help to support dynamic engine loads and maintain a stable lubricating oil film that protects both the rod and crankshaft from metal-to‐metal contact. With proper oil flow and clearance, these bearings help ensure reliable rotation and reduce wear under normal and high-load conditions.
Installed in pairs inside each connecting rod’s big end bore, these bearing shells support the rotating crankshaft by maintaining correct clearance and offering a durable, smooth surface for the journal to ride on. Their design promotes even oil distribution and stable hydrodynamic lubrication - essential for wear resistance, smooth engine operation, and long service life.
Big end bearings are central to engine bottom-end integrity. They endure high loads, RPMs, and constant motion. Over time or due to lubrication issues, bearings can wear, lose material, or show surface degradation - leading to increased clearances, knocking noises, reduced oil pressure, and accelerated wear of the crankshaft journal. Replacing worn bearings with OE Match shells during a rebuild restores proper oil clearances and hydrodynamic lubrication, helping protect the crankshaft and rod journals from premature wear while supporting smooth, reliable engine operation.
When to replace:
• Engine is undergoing rebuild or overhaul
• Bearing wear, noise, or rod knock detected
• After lubrication or oil starvation incident
• During high-mile preventive maintenance
• When crankshaft journals are within standard size (no undersize needed)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610312162
The product you are viewing cross references to these numbers
- 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)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- 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 TURBO 2000-05

Fits:
Porsche 911 1978-89
Porsche 964 1989-94
Porsche 993 1994-98
Porsche 996 Turbo 2000-05
Click picture for large parts diagram.
Diagram Ref No 24.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410113801
The product you are viewing cross references to these numbers
- 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)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- 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 TURBO 2000-05

Fits:
Porsche 911 1978-89
Porsche 964 1989-94
Porsche 993 1994-98
Porsche 996 Turbo 2000-05
Click picture for large parts diagram.
Diagram Ref No 22.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010113115
The product you are viewing cross references to these numbers
- 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)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- 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 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
Fits:
Porsche 911 1978-89
Porsche 964 1989-94
Porsche 993 1994-97
Porsche 996 Turbo 2000-05
Porsche 996 GT3
Diagram Ref No 21.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410190100
The product you are viewing cross references to these numbers
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