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Porsche // Boxster 986/987/981 (1997-2016) // Boxster 987 S 3.2/3.4L 2005-08/08
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- Porsche 911 1978-1983 3.0L / SC
Connecting-rod bearing shell replaces the factory big-end bearing used on classic air-cooled Porsche flat-six engines 911 SC 3.0L. It supports the rod big end on the crankshaft journal, creating a hydrodynamic oil film for low-friction rotation and stable oil pressure.
Fits:
Porsche 911 SC 3.0L 1978 - 1983
Diagram ref no 20
Manufactured to OEM dimensions and surface finish, these shells deliver precise crush fit, correct oil-groove geometry, and durable overlay materials for long service life. Install in matched pairs per rod during rebuilds.
• Fits inside the connecting rod big end around the crank journal; one upper + one lower shell per rod.
• Maintains oil film, controls clearance, and protects the crank journal under load.
Rod bearings gradually wear due to mileage, heat, and oil starvation, leading to scoring, uneven surfaces, and reduced oil pressure — all of which increase the risk of rod knock. They should be replaced whenever the engine bottom end is opened, during rebuilds, or if low oil pressure, metallic debris in oil, or audible knocking is detected — a standard preventive step in engine service.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010314882
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 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 Cayman 2.7L 987C 2006-08
14 per engine. Price is each
Fits:
Porsche Boxster 986 2.7L M96.22 / M96.23
Porsche Boxster 986 3.2L M96.21 / M96.24
Porsche 996 3.4L M96.01 / M96.02 / M96.04
Porsche Boxster 987 2.7L M97.20
Porsche Boxster 987 3.2L M96.26
Porsche Cayman 987C 2.7L M97.20
Porsche Boxster 986 2.5L M96.20*
Porsche Boxster 987 2.7L M96.25*
Diagram ref. 13.
Important fitment information – please read before ordering:
Please be aware that some early 2.5L 986 Boxster models (*) were fitted with main bearing shells with the alignment/locating tab in the centre, as opposed to offset to the side, which is what this listing is for. Please check your existing bearing shells before ordering. If you have centre-aligned bearing shells, this product is not suitable and is no longer offered by Porsche as a replacement part.
In addition, some 2.5L models may be fitted with the earlier-style crankcase carrier, meaning the bearing shells required have the alignment tab on the right, not the left as is the case with this listing. Please ensure you check your existing shells before ordering. If the alignment tab on your existing shells is located on the right, please use part no. 99610113164 instead.
Additionally, for 2005 and 2006 2.7L 987 Boxster models (M9625 engine code) (*), the existing bearing shells are no longer offered by Porsche. These have the locating tab on the opposite side, meaning these bearings are incompatible. In order to fit these bearings, the crankcase carrier will need to be updated to the later style, part no. 99610100709.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610120510
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 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
Price is each. 12 Bearing Shells per engine.
Original Porsche Standard Size Bearings
Price Shown Is For Each Bearing
Fits:
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 996
Porsche 997
Click 'Zoom in' for large parts diagram.
Diagram Ref No 12.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610312162
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 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 Cayman 2.7L 987C 2006-08
- Porsche 914 (1970-1976)
Fits:
Porsche 986 Boxster 1997-04 engines M96.20 / M96.22 / M96.23
Porsche 986 Boxster S 2001-04 M96.21 / M96.24
Porsche 987 Boxster 2004-08 engines M96.25 / M97.20
Porsche 987 Boxster S 3.2L >>2006 engines M96.26
(not for 3.4L engines)
Porsche 987C Cayman 2004-08 engines M97.20
Porsche 996 C2 / C4 >>2001 engines M96.01 / M96.02 / M96.04
Click 'Zoom in' for large parts diagram.
Diagram Ref No 24.
- 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
6 per engine. Price is for each.
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI 2005-08
Porsche 987C Cayman MKI 2005-08
Porsche 996 Carrera 1998-05
Porsche 997 Carrera 2005-08
Click picture for large parts diagram.
Diagram Ref No 10.