MSPORT AS CABLE LOOM Genuine Porsche part 9A16070758B

The wiring harness for the battery, starter, and alternator is a critical component of the vehicle’s electrical and charging system, designed to deliver reliable power distribution between key electrical components. This harness connects the battery to the starter motor and alternator, ensuring efficient current flow for engine starting and battery charging.
Fits:

• Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
• Porsche 991.1 R 4.0L (500 Bhp) 2016
• Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
• Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
• Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
• Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
• Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
• Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
• Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
• Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
• Porsche 992.1 GT3 RS 4.0L 2022-24
• Porsche 992.2 GT3 2025>>  

• Transfers electrical power from the battery to the starter motor
• Connects the alternator to the battery for charging
• Ensures stable and efficient current flow between components
• Supports reliable engine starting and charging system operation

• Difficulty starting the engine or no crank condition
• Intermittent electrical faults or power loss
• Battery not charging properly Visible damage, fraying, or corrosion on wiring
  
• Burning smell or overheating wiring connections

• Restores reliable power delivery to starter and alternator
• Ensures proper battery charging and engine starting
• Prevents electrical faults and intermittent issues
• Reduces risk of overheating or electrical short circuits
• Maintains overall vehicle electrical system performance

The engine-to-body earth strap is a vital component of the vehicle’s electrical grounding system, designed to provide a secure electrical connection between the engine and the vehicle chassis. This strap ensures proper grounding for electrical circuits, allowing current to flow safely and efficiently throughout the vehicle.
Fits:

• Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
• Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
• Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
• Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
• Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
• Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19  

• Provides a direct ground connection between engine and chassis
• Ensures stable electrical flow for starter, alternator, and ECU systems
• Prevents electrical interference and voltage fluctuations
• Supports reliable operation of all vehicle electrical components

• Difficulty starting the engine or slow cranking
• Intermittent electrical faults or warning lights
• Charging issues or battery not holding charge
• Erratic sensor readings or ECU faults
• Visible corrosion or damage to the strap

• Restores proper grounding and electrical stability
• Ensures reliable engine starting and charging system operation
• Prevents intermittent electrical faults and voltage drops
• Protects sensitive electronic components from damage
• Improves overall vehicle reliability

The engine-to-body earth strap is a critical component of the vehicle’s electrical grounding system, providing a direct electrical connection between the engine and the chassis. This connection allows electrical current to safely return to the battery, ensuring stable operation of key systems such as the starter, alternator, and engine control unit.
Fits:

• Porsche 991.1 R 4.0L (500 Bhp) 2016
• Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16 

• Provides a grounding path between engine and vehicle body
• Ensures proper operation of starter and charging systems
• Stabilises voltage across electrical circuits
• Prevents electrical interference and irregularities

• Slow or difficult engine starting
• Intermittent electrical faults or warning lights
• Charging system issues or battery problems
• Erratic behaviour of electrical components or sensors
• Visible corrosion, fraying, or damage to the strap

• Restores proper electrical grounding and current flow
• Ensures reliable engine starting and battery charging
• Prevents voltage drops and intermittent faults
• Protects sensitive electronic systems from damage
• Improves overall vehicle reliability and performance