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Connecting Rod
By OE Match
- 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)
This OE Match set of 12 connecting rod bolts replaces the complete set of big-end fasteners needed for a full rebuild of Porsche 911 and 930 engines. Manufactured to match factory tensile strength and thread standards, these bolts ensure uniform clamping across all six connecting rods.
SET OF 12 bolts (sufficient for 6 connecting rods)
Fits:
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.
This set provides the complete matched hardware needed to secure all connecting rod caps, ensuring even preload, balanced bearing crush, and stable rotation of the crankshaft assembly.
Replacing all rod bolts as a full set ensures uniform strength and eliminates risks caused by mixing old and new hardware, fatigue-weakened bolts, or uneven clamping forces.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91410317101
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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 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)
This connecting rod bolt clamps the rod cap to the connecting rod, maintaining precise big-end bearing geometry under extreme mechanical loads. It prevents cap separation, bearing distortion, and rod misalignment, ensuring reliable engine operation at all speeds.
12 per engine. Price is for each
Fits:
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.
Rod bolts fatigue with age, heat, and repeated stress cycles. Weak or stretched bolts can lead to bearing crush loss, big-end cap movement, and in worst cases, catastrophic engine damage. Replacing them during rebuild ensures maximum reliability and protection.
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
OEMatch Connecting Rods — Durability, Sealing, Performance
OEMatch Connecting Rods for Porsche models. OEMatch focuses on connecting rod items selected for Porsche applications, offering parts suitable for rebuilds, tuning and routine maintenance while retaining attention to dimensional compatibility and documented cross-references.
Available Types
- Forged steel connecting rods for high-stress engines
- Billet alloy connecting rods for machine-finished rebuilds
- Balanced connecting rod sets for engine rebuilds
Understanding OEMatch Connecting Rods
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original connecting rods.
OE (Original Equipment) refers to parts matching original specifications for the connecting rods and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM connecting rods engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Connecting rods form the mechanical link between each piston and the crankshaft, converting reciprocating motion into rotation and transmitting combustion forces into crank torque. In Porsche engines, rods must preserve piston alignment and crank balance under high loads and elevated engine speeds. Correct bearing sizes, clearances and balance are important considerations when rebuilding or upgrading an engine to help reduce vibration and uneven wear.
Benefits Include
- Maintains piston alignment and crank balance during operation
- Offers tensile strength and fatigue resistance appropriate for rebuilds and upgrades
- Reduced rotational mass where specified to aid engine response
Why Connecting Rod Wear and Fail
- Oil starvation causing bearing damage and heat-related wear
- Over-revving or detonation producing bending or fatigue cracking
- Incorrect torque, clearances or assembly during rebuilds
- Material fatigue from age, stress or high-mileage operation
The Importance of Replacing with OEMatch Connecting Rod
Replacing worn or damaged connecting rods is a critical step in engine rebuilds and performance work. Using appropriate replacement rods helps maintain engine balance, reduces the risk of secondary damage to bearings and crank journals, and supports predictable behaviour at elevated revs. Choosing rods matched to journal sizes and bearing specifications helps preserve reliability for Porsche engines.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Made to original-spec dimensions for consistent compatibility with bearing sizes and clearances
- Prepared with cross-reference data to aid correct selection for Porsche models