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Porsche // 911 & 912 (1965-1989) // 911 1978-1983 3.0L / SC
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- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- 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
Fits:
Porsche 911 3.2 (84-89)
Porsche 911 Turbo 3.3 (78-89)
Porsche 964 C2 (90-94)
Porsche 964 C4 (89-94)
Porsche 964 RS (92-92)
Porsche 964 Turbo-Look (91-94)
Porsche 964 CUP-RACE (90-93)
Porsche 964 Turbo 3.3 (91-92)
Porsche 964 Turbo 3.6 (93-94)
Porsche 993 C2
Porsche 993 C4
Porsche 993 C2S
Porsche 993 C4S
Porsche 993 RS
Porsche 993 Turbo
Porsche 993 Turbo S
Porsche 993 GT2
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410317605
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 Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- 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 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 996 TURBO 2000-05
- 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 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 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
Price is Each
Diagram Ref No 10.
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
Sold each - 12 required per car
Maintain engine reliability during rebuild work with this OE
Connecting Rod Bolt 91410317101. The connecting rod bolt is a critical internal
engine fastener used to secure the connecting rod cap to the connecting rod
body around the crankshaft journal.
- Porsche 911TE (1972 - 1973)
- Porsche 911TV (1972 - 1973)
- Porsche 911TK (1973 - 1973)
- Porsche 911S (1970 - 1973)
- Porsche RS (1973 - 1973)
- Porsche RSR 2.8L (1973 - 1973)
- Porsche 911 2.7L (1974 - 1977)
- Porsche 911 3.0L Carrera (1976 - 1977)
- Porsche 911 SC 3.0L (1978 - 1983)
- Porsche 911 Turbo 3.0L (1975 - 1977)
Diagram ref no 18
Although small, this component is subjected to extreme loads every time the engine runs. It must maintain precise clamping force under high RPM, combustion pressure, heat and vibration. For this reason, connecting rod bolts should be treated as essential engine rebuild hardware and replaced whenever the connecting rods are removed or serviced.
What Does a Connecting Rod Bolt Do?
The connecting rod bolt clamps the rod cap securely to the connecting rod.
Its main functions include:
- Securing the connecting rod cap
- Maintaining bearing alignment
- Supporting correct crankshaft rotation
- Preserving bearing crush
- Withstanding high engine loads
- Helping prevent internal engine failure
Correct clamping force is vital for engine durability and safe operation.
Why Do Connecting Rod Bolts Fail?
Connecting rod bolts operate under severe stress and can weaken over time.
Common causes of failure include:
- Metal fatigue
- Overstretching during previous installation
- Incorrect torque procedures
- High RPM engine use
- Heat cycling
- Thread damage
- Reuse during engine rebuilds
- General age and wear
Many connecting rod bolts are considered single-use components and should not be reused once removed.
When Should They Be Replaced?
Replacement is strongly recommended when:
- Rebuilding the engine
- Removing connecting rods
- Replacing big end bearings
- Servicing the crankshaft
- Building a performance engine
- Inspecting high-mileage engines
- Previous torque history is unknown
Replacing rod bolts during rebuild work is inexpensive protection against serious engine damage.
Why Replacement Matters
A failed connecting rod bolt can cause catastrophic engine failure.
Benefits of replacement include:
- Correct clamping force
- Improved engine reliability
- Protection of crankshaft and bearings
- Reduced risk of rod cap movement
- Professional rebuild standards
- Long-term engine durability
- Greater peace of mind
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91410317101
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
This connecting rod nut is used on the big-end of the connecting rod, clamping the rod cap securely to the rod during engine operation.
12 per engine. Price is for each
Fits:
Porsche 911 1965 - 1983
Porsche 911 (930) Turbo 1975 - 1977
Porsche 914 1970 - 1976
Diagram ref no 21.
Installed on the connecting rod bolts at the big end, this nut provides the required clamp load to keep the rod assembly rigid under combustion forces and inertia at speed. Built to OEM-style dimensions (commonly listed as M10), it supports accurate torqueing and secure retention under high RPM loads and repeated heat cycles - ideal for rebuilds, top-end refreshes, or bottom-end assembly work.
Con-rod fasteners live in one of the harshest areas of the engine. Nuts can be damaged, corroded, or compromised by previous over-torqueing or repeated reuse. Replacing with OE Match hardware helps ensure accurate torque application and dependable clamp load retention - critical for bearing life and engine reliability.
When to replace:
• During any engine rebuild involving connecting rod removal
• Nuts show thread damage, rounding, corrosion, or heat marking
• Evidence of incorrect prior assembly/torque history
• Preventive replacement on high-mileage or unknown-history engines
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110317302
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
6 per engine. Price is for each.
Fits:
Porsche 911/912 1965-69
Porsche 911 1970-83
Porsche 911 (930) Turbo 1975-77
Porsche 914-6 1970-76
Porsche 959 1987-88
Diagram Ref No 19.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110313102
The product you are viewing cross references to these numbers