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- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- 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
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits:
Porsche 924S 1986-88
Porsche 928 1978-95
Porsche 944 1982-91
Porsche 968 1992-95
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810317303
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Related, superseded, cross reference or alternative numbers for comparison.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 914 (1970-1976)
Connecting Rod Bolt
Sold each - 12 required per engine
Maintain engine reliability during rebuild work with this OE
Connecting Rod Bolt. 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.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 914 (1970-1976)
Diagram Ref No 20
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.
90110317200
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
8 per engine. Price is for each.
Connecting rods nuts must be replaced every time they are removed. Do not reuse old rod nuts.
Fits:
Porsche 912 1965-69
Porsche 356 A / B / C 1950-65
Click picture for large parts diagram.
Diagram Ref No 23.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
50203114
The product you are viewing cross references to these numbers