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Batteries & Chargers
By OE Match
- 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 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 911 1965-1968 2.0L / 912 SWB (F)
Fits:
Porsche 911 - 1965 to 1968 (SWB)
Porsche 912 - 1966 to 1968 SWB)
Kit contains
Battery tray x 1
Battery upper cover x 1
Diagram ref no 2 and 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161123120
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-77
Porsche 944 1985-88 RHD Cars
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161120900
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 955 Cayenne S 4.5L V8 2003-06
Fits:
Porsche 911 1965-73
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161102800
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)
Fits:
Porsche 911 1965-73
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161190221
The product you are viewing cross references to these numbers
- 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)
This high-quality replacement for the factory cable connects the battery negative terminal to the body / chassis. It ensures proper electrical grounding for reliable engine starts, charging performance, and system stability.
Fits:
Porsche 911 - 1974 to 1989
Porsche 911 (930) turbo - 1975 to 1977
Diagram ref no 11
Built to original Porsche specifications, this premium replacement provides a clean, low-resistance connection between the battery and chassis. It eliminates voltage drops, improves starting reliability, and protects sensitive electronics — a simple but essential upgrade for any classic Porsche restoration.
Function: Provides low-resistance electrical connection between the battery and chassis
Installation: Direct OE replacement — simple bolt-on fitment, no modification required
Benefits: Restores consistent voltage flow, improves engine start reliability, prevents electrical faults
Why replacement matters:
• Over time, the ground strap can corrode, fray, stretch, or lose integrity, resulting in increased resistance.
• A poor ground connection can cause weak starts, erratic electronics, charging issues, voltage drops, or malfunctions in sensors and control modules.
• Replacing with a high-grade replacement strap restores low-resistance grounding, ensuring stable electrical performance, improved startup reliability, and protection for sensitive electronics.
• A proper ground strap is a simple but critical component — its failure may lead to cascading electrical faults, which can be difficult to diagnose.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161189900
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
This OE Match battery ground strap is a replacement earth strap used to connect the battery negative terminal to the vehicle body or chassis ground point. It is designed to match the original-style function and fitment for Porsche 924, 944, and 911 Turbo Flatnose models where this part number is specified.
Fits:
Porsche 924 - 1976 to 1985
Porsche 944 2.5ltr - 1982 to 1985
Porsche 911 turbo "Flatnose" - 1987 to 1989
Diagram ref no 5 (for 911) / 10 (for 924 / 944)
This battery ground strap fits at the battery area, connecting the negative battery terminal to the body or chassis earth point. Depending on the model, it may be located in the front battery compartment or battery mounting area as part of the main vehicle grounding system.
The battery ground strap provides the main electrical return path from the vehicle body back to the battery. A strong and clean ground connection is essential for reliable starting, charging, lighting, instruments, and general electrical system performance.
Functions
• Connects the battery negative terminal to the body or chassis ground point
• Completes the electrical circuit for the starting and charging systems
• Helps provide stable voltage to electrical components
• Supports reliable starter motor operation
• Helps prevent intermittent electrical faults caused by poor grounding
• Restores the correct battery earth connection during repair or restoration
• OE Match replacement for worn, corroded, or damaged original ground strap
Battery ground straps can corrode, fray, loosen, or develop high resistance over time. A weak earth connection can cause slow cranking, starting problems, dim or flickering lights, charging issues, erratic gauges, or intermittent electrical faults. Replacing the ground strap helps restore a secure electrical connection and improves overall reliability.
When to replace
• The original ground strap is corroded, frayed, cracked, or damaged
• The battery negative connection is loose or heavily oxidised
• The car has slow cranking or intermittent starting issues
• Lights, instruments, or electrical systems behave erratically
• Charging or voltage-related faults are present
• The ground strap becomes hot under electrical load
• The vehicle is undergoing battery, wiring, or restoration work
• The original strap is missing or no longer provides a reliable ground
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477971221
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 955 Cayenne S 4.5L V8 2003-06
This battery strap is an OE Match replacement fastening strap designed to secure the battery in place within the engine bay or battery tray of Porsche 912 models. Manufactured to match the original Porsche part in fit and function, it ensures the battery remains firmly secured during daily driving and dynamic road conditions.
Fits:
Porsche 912 1965 - 1969
Diagram ref no 6
The battery strap holds the battery securely in the battery tray or mounting bracket. It prevents lateral and vertical movement, protecting the battery, electrical connections, and surrounding components from stress, vibration, and potential damage.
Function:
• Secures the battery in place under dynamic driving conditions
• Reduces vibration and prevents battery movement
• Helps maintain solid electrical connections
• Design for direct fit and correct mounting
• Durable materials resist corrosion and aging
A battery that is not properly secured can shift or vibrate excessively, which may lead to loose electrical connections, harness damage, acid leakage, or accelerated wear on the battery and its mounting components. Replacing a weak or aged strap with an OE Match battery strap restores secure retention and helps maintain reliable battery performance and electrical system integrity.
When to replace:
• Strap shows visible cracks, fraying, or stretching
• Battery movement observed during driving
• Strap hardware is corroded or missing
• During battery replacement or service
• As part of an engine bay refresh or restoration
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90261102200
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)

Fits:
Porsche 911 1965-68
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161102521
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 SC 1978 - 1983
Porsche 911 Turbo 1978 - 1989
Porsche 911 Carrera 1984 - 1989
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161202228
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)

Fits:
Porsche 911 1965-73
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161103121
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 955 Cayenne S 4.5L V8 2003-06
Fits:
Porsche 911 1965-73
Diagram ref no 7 & 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161102800
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)

Fits:
Porsche 911 1965-68
Porsche 912 1965-68
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161123120
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 1984-1986 3.2L
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
This OE Match gearbox ground strap is a replacement earth strap used to connect the gearbox/transmission to the vehicle chassis. It provides a reliable electrical ground path between the drivetrain and body, helping the vehicle’s electrical system operate correctly
Fits:
Porsche 911 - 1965 to 1973 Manual and Sportomatic
Porsche 911 - 1974 to 1983 Sportomatic
Porsche 356 - 1950 to 1965
Diagram ref no 62
The gearbox ground strap completes the electrical circuit between the transmission and chassis. A secure ground connection is essential for starter motor performance, charging system function, ignition reliability, lighting, and general electrical stability.
Functions
• Connects the gearbox/transmission to the chassis ground point
• Provides a reliable earth path for the drivetrain
• Supports correct starter motor operation
• Helps maintain stable voltage across the electrical system
• Reduces the risk of intermittent electrical faults
• Helps prevent poor grounding issues during starting and charging
• OE Match replacement for the original gearbox earth strap
Ground straps are exposed to moisture, road dirt, corrosion, vibration, and age-related wear. Over time, the strap can fray, corrode, loosen, or develop high resistance, which may lead to slow cranking, starting problems, charging issues, flickering lights, or unpredictable electrical faults. Replacing the gearbox ground strap helps restore a strong electrical connection and improves overall reliability.
When to replace
• The original ground strap is corroded, frayed, cracked, or damaged
• The gearbox or transmission has been removed or refitted
• The car has slow cranking or intermittent starting issues
• Electrical faults appear after drivetrain or starter work
• Lights, gauges, or ignition systems behave erratically
• The ground strap connection is loose or heavily oxidised
• The vehicle is undergoing restoration or electrical system repair
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99961191820
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 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
Fits:
Porsche 911 - 1970 to 1989
Porsche 911 turbo - 1975 to 1989
Porsche 964 - 1989 to 1994 Manual Transmission
Porsche 993 - 1994 to 1998 Manual Transmission
Click 'Zoom in' for large parts diagram.
Diagram ref no 40
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99961192020
The product you are viewing cross references to these numbers
- 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)

Fits:
Porsche 911 (1974-1977)
Porsche 930 (1976-1977)
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
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OEMatch Batteries & Chargers — Fit, Function, Confidence
OEMatch Batteries & Chargers for Porsche models provide power management and charging solutions tailored to modern Porsche electrical systems. Choose batteries and smart chargers matched to battery chemistry and usage patterns to maintain starting reliability, protect onboard electronics and reduce the risk of unexpected discharge during storage.
Available Types- AGM batteries for vehicles fitted with absorbent glass mat technology
- Lithium batteries suitable for compatible Porsche models where specified
- Conventional lead-acid batteries for classic and entry-level applications
- Smart chargers and maintainers with multi-stage charging profiles
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original batteries & chargers. OE (Original Equipment) refers to parts matching original specifications for the batteries & chargers and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM batteries & chargers engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Batteries store and supply electrical energy for engine starting and all onboard systems; chargers restore and maintain that energy, especially during storage. Selecting the correct battery chemistry and a compatible charger helps protect high-current start cycles, sensitive electronics and the vehicle’s charging system.
Benefits Include- Improved starting reliability and stable voltage under load
- Protection against deep discharge and parasitic electrical faults
- Maintained state of charge during long-term storage with smart charging
- Age-related capacity loss reducing available charge
- Parasitic drain from modern electronics and aftermarket devices
- Temperature extremes and inadequate charging accelerating deterioration
- Cost-effective alternatives engineered to original-spec dimensions and tolerances
- Selection across battery chemistries and charging options for Porsche models
- Catalogued part numbers and cross-references to aid correct identification and fitment