do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- 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
The connecting rod bolt is a replacement fastener for Porsche air-cooled flat-six engines. Designed to match the original Porsche specification in strength, thread pitch, and clamping characteristics, this bolt secures the connecting rod cap to the rod body - maintaining correct bearing crush, rod alignment, and engine reliability under high RPM and load.
12 per engine. Price is for each.
Fits:
Porsche 911 3.2 (1984 - 1989)
Porsche 911 Turbo 3.3 (1978 - 1989)
Porsche 964 C2 (1990 - 1994)
Porsche 964 C4 (1989 - 1994)
Porsche 964 RS (1992 - 92)
Porsche 964 Turbo-Look (1991 - 1994)
Porsche 964 CUP-RACE (1990 - 1993)
Porsche 964 Turbo 3.3 (1991 - 1992)
Porsche 964 Turbo 3.6 (1993 - 1994)
Diagram Ref No 13.
• Position: Bottom end — connecting rod cap to connecting rod
• Function: Provides precise clamp load to secure the rod big-end bearing and maintain crankshaft/rod geometry at all engine speeds
• Rod bolts are critical, high-stress fasteners that should be replaced during any bottom-end rebuild. Fatigue, prior stretching, or incorrect torque can lead to catastrophic rod failure. Replacing with OE-Match bolts ensures reliable clamping force and protects engine longevity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410317605
The product you are viewing cross references to these numbers
- 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
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
Con Rod Nut
Sold each - 12 required per car
The OE Match Con Rod Nut is a critical internal
engine fastener used to secure the connecting rod cap to the connecting rod
assembly. Suitable for various Porsche 911, 964, 993, 996 Turbo and 997 Turbo
engines, this precision-engineered component plays a vital role in maintaining
the structural integrity of the engine's rotating assembly.
Fits:
- 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
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
Diagram Ref No 11
The connecting rod assembly is subjected to enormous forces during engine operation, particularly at high RPM. The con rod nuts must maintain precise clamping force to ensure the connecting rod cap remains securely attached under extreme combustion and inertial loads. Even the slightest loss of clamping force can result in catastrophic engine failure.
For this reason, con rod nuts are considered a critical engine rebuild component and should always be replaced during engine overhauls, connecting rod servicing or performance engine builds.
What Does a Con Rod Nut Do?
The con rod nut secures the connecting rod cap to the connecting rod body, clamping around the crankshaft journal bearing.
Its functions include:
- Maintaining connecting rod cap security
- Preserving bearing crush and alignment
- Supporting crankshaft rotation
- Withstanding high engine loads
- Maintaining precise clamping force
- Supporting engine reliability
- Protecting internal engine components
The connecting rod assembly relies entirely on the integrity of its fastening hardware to survive the extreme loads generated during operation.
Why Do Con Rod Nuts Fail?
Con rod nuts are subjected to repeated tensile loads, heat cycles and vibration throughout their service life.
Common causes of failure include:
- Metal fatigue
- Repeated engine stress cycles
- Overstretching during previous installation
- Improper torque procedures
- High mileage wear
- Performance engine operation
- Corrosion during storage
- Reuse during multiple rebuilds
Many con rod nuts are designed as single-use fasteners and can lose their ability to maintain proper clamping force if reused.
When Should Con Rod Nuts Be Replaced?
Replacement is strongly recommended whenever the connecting rods are disassembled.
Typical situations include:
- Engine rebuilds
- Crankshaft replacement
- Connecting rod servicing
- Bearing replacement
- Performance engine upgrades
- Motorsport engine preparation
- Full engine restoration projects
- Preventative rebuild maintenance
As con rod nuts are relatively inexpensive compared to the cost of engine repairs, replacing them during rebuild work is considered essential best practice.
Why Replacement Matters
The con rod nut is one of the most critical fasteners within the entire engine.
Benefits of replacement include:
- Maintains correct clamping force
- Supports bearing integrity
- Reduces risk of engine failure
- Improves engine reliability
- Protects expensive internal components
- Essential for professional engine builds
- Supports high-performance applications
- Provides peace of mind during rebuilds
For air-cooled and turbocharged Porsche engines, correct connecting rod hardware is fundamental to long-term durability and performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310317403
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
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
The Connecting Rod Bolt is a critical engine fastener that secures the connecting rod cap to the connecting rod, ensuring reliable performance under extreme conditions. Designed to withstand the intense forces of combustion and high RPM, this bolt provides the proper clamping force to keep your engine’s rotating assembly precise and stable.
Connection rod bolts are torque-to-yield fasteners, meaning they stretch slightly when tightened and should not be reused. For this reason, replacing them during an engine rebuild, performance upgrade, or repair is essential to avoid fatigue or failure.
Sold Each.
x12 Required Per Engine.
- Porsche Cayenne V6 3.6L Petrol 300Hp
- Porsche Cayenne S V8 4.8L Petrol 400HP
- Porsche Cayenne GTS V8 4.8L Petrol 400HP
- Porsche Cayenne Turbo V8 4.8L Petrol 500HP
- Porsche Cayenne Turbo S V8 4.8L Petrol 550HP
4802 / 4852 / CFTB / CFT / CYXA / CYX / CURA / CUR / CXZA / CXZ
- Porsche Macan S Petrol 3.0L V6 340Bhp
- Porsche Macan GTS Petrol 3.0L V6 360Bhp
- Porsche Macan Turbo 3.6L V6 400Bhp
CTMA / CTM / CTLA / CTL / DCNA / DCN / DHKA / DHK
- Porsche Panamera V6 3.6L 2WD
- Porsche Panamera 4 V6 3.6L 4WD
- Porsche Panamera S V8 4.8L
- Porsche Panamera 4S V8 4.8L
- Porsche Panamera GTS V8 4.8L
- Porsche Panamera Turbo V8 4.8L
- Porsche Panamera Turbo S V8 4.8L
- Porsche Panamera V6 3.6L 2WD (310Hp)
- Porsche Panamera 4 V6 3.6L 4WD (310Hp)
- Porsche Panamera S V6 Turbo 3.0L 2WD (420Hp)
- Porsche Panamera S V6 Turbo 3.0L 2WD Executive
- Porsche Panamera 4S V6 Turbo 3.0L 4WD (420Hp)
- Porsche Panamera 4S V6 Turbo 3.0L 4WD Executive
- Porsche Panamera GTS V8 4.8L 4WD (440Hp)
- Porsche Panamera Turbo V8 4.8L (520Hp)
- Porsche Panamera Turbo V8 Executive
- Porsche Panamera Turbo S V8 4.8L
4820 / 4840 / 4870 / CXPA / CXRA / CXR / CWBA / CWB / CWCA / CWC / 4620 / 4640 / CWAA / CXNA / CWDA / CWD / CWFA / CWF
- 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
9620 / 9621 / 9622 / 9623 / 9624
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
9625 / 9626 / 9720 / 9721 / 9722
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
9720 / 9721 / 9722
- 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
9601 / 9602 / 9604/ 9603
- Porsche 997 Carrera 2 3.6L 2005>>
- Porsche 997 Carrera 2S 3.8L 2005>>
- Porsche 997 Carrera 4 3.6L 2005>>
- Porsche 997 Carrera 4S 3.8L 2005>>
9701 / 9605
- Porsche Cayenne S/GTS 4.8L 2007>>
- Porsche Cayenne Turbo / Turbo S 4.8L 2007>>
4801 / 4851
What This Product Does:
The connecting rod bolt is a critical engine fastener used to secure the connecting rod cap to the connecting rod in Porsche engines. These bolts hold the rod bearings in place and ensure the connecting rods remain firmly attached to the crankshaft during operation.
Functions:
- Provides the clamping force to keep the connecting rod and cap tightly secured.
- Withstands extreme stress from combustion, RPM, and load.
- Maintains precise engine clearances for smooth rotation of the crankshaft.
- Helps prevent catastrophic engine failure by keeping the bottom end components locked in place.
While connecting rod bolts are not usually “wear items,” they can stretch, fatigue, or fail over time, especially in high-performance or rebuilt engines.
Signs of trouble include:
- Engine knocking or rattling from the bottom end.
- Loss of oil pressure due to bearing movement.
- Metal shavings in the oil (from bearing or crank damage).
- Catastrophic engine failure if a rod bolt breaks under load.
- During rebuilds: bolts showing stretch beyond spec when measured.
Connecting rod bolts operate under immense pressure and constant stress. Even though they are small components, their role is critical — a single failure can cause severe engine damage. Because these bolts are torque-to-yield fasteners, they are designed to stretch slightly when tightened. This makes them single-use only; once removed, they should always be replaced.
Diagram Ref No 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710311501
The product you are viewing cross references to these numbers