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Mounting Brackets and Hardware
- Porsche 911 1975-1977 3.0L Turbo (930)
Alternator Conversion Fitting Kit
Upgrade your early Porsche 911 turbo 3.0 (1975-77)
with confidence using this OE Match Alternator Conversion Fitting Kit.
Specifically designed to enable the installation of the later 12V 75A
Internal Regulator Alternator (91160312004), this complete fitting kit
contains all the essential OE-style components required to carry out the
conversion correctly.
Fits:
- Porsche 911 1975-1977 3.0L Turbo (930)
As Porsche developed the charging system during production, the later internally regulated alternator became the preferred replacement due to its simplified wiring, improved reliability and easier servicing. However, when fitting this later alternator to an early 3.0ltr 930 turbo, several additional installation components are required to ensure correct mounting and electrical integration.
This kit brings together those components in one convenient package, saving time, ensuring compatibility and eliminating the need to source each part individually.
Kit Contents
- Resistor 91164198100
× 1
- Air Deflector 91110603305
× 1
- Cable Connector 111971511 × 2
These components are required when fitting the later 91160312004 Internal Regulator Alternator to early Porsche 911 turbo 3.0-litre models fitted with the 91160312002 alternator manufactured between 1975 and 1977.
Why Is This Kit Required?
The early Porsche 930 Turbo used a different charging system configuration from the later internally regulated alternator.
When replacing to the later 91160312004 alternator, the additional installation components contained within this kit ensure:
Correct alternator installation. Proper mounting and fitment. Correct electrical connections. Reliable charging system operation. Factory-quality installation. Simplified conversion using the correct parts.Using the correct installation components helps avoid wiring issues, poor fitment and unnecessary modifications during installation.
Benefits of Upgrading to the Later Internal Regulator Alternator
Many Porsche owners choose to install the later internally
regulated alternator because it offers several advantages over the earlier
charging system:
- Simplified charging system design.
- Reduced external electrical components.
- Improved charging reliability.
- Easier servicing and maintenance.
- Better parts availability.
- Proven long-term durability.
- Direct compatibility when used with this fitting kit.
This conversion has become a popular solution during engine rebuilds, electrical restoration projects and preventative maintenance.
Benefits
- Saves time sourcing individual parts.
- Ensures correct installation of the later alternator.
- Helps maintain reliable charging performance.
- Supports factory-quality fitment.
- Reduces installation complications.
- Ideal during alternator replacement or engine restoration.
When replacing the alternator, it is also recommended to inspect the alternator drive belt, fan housing, charging cables, battery terminals, earth straps and electrical connectors to ensure the entire charging system operates efficiently.
Why Choose OE Match Electrical Components?
OE Match electrical components are manufactured to deliver dependable quality, accurate fitment and reliable performance for classic Porsche models. This conversion fitting kit has been assembled specifically for owners upgrading early 3.0ltr turbo models to the later internally regulated alternator, providing the correct components required to complete the installation professionally and efficiently. It is an ideal solution for restoration projects, preventative maintenance and charging system upgrades.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
911603FITTINGKIT
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
- 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 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
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Sold each
Fits:
Porsche 356B / 356C - 1960 to 1965
Porsche 911 - 1978 to 1989
Porsche 924S - 1986 to 1988
Porsche 944 - 1985 to 1991
Porsche 968 - 1992 to 1995
Porsche 928 - 1978 to 1995
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90007437201
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 - 1969 to 1973
Porsche 914-6 - 1970 to 1972
Fits between diagram ref no 1 and 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG10630601
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
This gasket is for the fan housing (blower casing) and cover interface on classic Porsche 356 (B/C) and Porsche 912 models. The spacer ring ensures proper clearance, sealing and alignment between the main fan housing and the cover plate. Manufactured to replicate the original Porsche part in size and thickness.
Fits:
Porsche 912 1965 - 1969
Porsche 356 B / C 1960 - 1965
Diagram ref no 45
• Position on Vehicle: Engine bay – between fan housing (blower shroud) and fan cover / generator mounting to body or engine casing.
• Function: Maintains correct spacing, alignment and sealing of the fan housing, ensuring air-flows correctly through the engine’s cooling blower system, helping preserve engine temperature regulation and reduce vibration or mis-alignment.
Even though small, the spacer ring plays a crucial role in the cooling system geometry. If the original spacer is missing, crushed, incorrect thickness or degraded, you may experience:
• Mis-aligned fan housing or blower which can lead to inefficient airflow or overheating
• Vibration, noise or abnormal fan behaviour due to improper clearance
• Premature wear of fan shroud, generator or other components if clearance is incorrect
• Difficulty achieving correct engine temperature control or unstable idle-temperature behaviour.
Replacing with this spacer ensures the fan housing retains correct alignment, airflow is maintained as designed and cooling performance remains reliable.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610612500
The product you are viewing cross references to these numbers
-
air cooling 911 1978-83 105-00
-
engine suspension 911 1978-83 109-00
-
air cooling 911 1970-73 105-00
-
generator starter 911 1978-83 902-05
-
engine suspension 911 1987-89 109-00
-
Engine suspension 911 1984-86 109-00
-
Air Cooling 911 1974-77 105-00
-
Generator 911 1974-77 902-10
-
air cooling, air duct and engine cover for (S)(D) 912 1965-69 105-10
-
air cooling, air duct and engine cover not for (S)(D) 912 1965-69 105-15
-
engine electrics 911 1965-69 901-00
-
air cooling 911 TURBO 1975-77 105-00
-
generator 911 TURBO 1975-77 902-10
Durable Alternator Mounting Brackets & Hardware for Secure, Vibration-Free Operation
Alternator mounting brackets and hardware form the structural support system that holds the alternator firmly in place. These essential components ensure correct belt alignment, maintain tension, reduce vibration and keep the charging system functioning efficiently under all driving conditions. From adjuster brackets to bolts, spacers and mounting plates, each part plays a role in stabilising the alternator for consistent and reliable electrical output.
Whether performing routine maintenance or restoring an older engine setup, choosing high-quality mounting components is crucial for long-term alternator performance.
What Alternator Mounting Brackets & Hardware Do
These components are designed to:
- Securely
mount the alternator to the engine
- Maintain correct belt position and tension
- Prevent
vibration and movement under load
- Support
optimal alternator alignment for efficient charging
- Absorb
engine movement to protect internal alternator components
- Ensure reliable operation in both standard and high-output engine setups
Strong, precise mounting hardware ensures the alternator performs at its maximum potential without strain or misalignment.
Why Alternator Brackets & Hardware Fail
Because these parts endure constant stress, heat and
vibration, wear and failure are common over time.
Frequent causes include:
- Metal
fatigue or cracking due to prolonged engine vibration
- Corrosion
from moisture, salts and engine bay contaminants
- Bolt
stretch or loosening resulting in alternator movement
- Bracket
warping from excessive belt tension
- Incorrect installation or incompatible components
- Stress fractures in high-performance or modified engines
When mounting hardware fails, it can lead to belt misalignment, charging problems, noise, and even alternator damage.
Why You Should Replace Worn Mounting Brackets & Hardware
A secure alternator mounting system is essential for engine
reliability.
Replacing worn or damaged components with high-quality,
precision-made alternatives engineered to match original performance
specifications ensures:
- Correct belt alignment and stable tension
- Reduced vibration and noise
- Prevention of alternator misalignment and premature wear
- Improved charging efficiency and electrical stability
- Safe and durable mounting for both standard and upgraded alternators
Investing in reliable mounting hardware helps protect the entire charging system and prevents costly alternator failures.