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Bosch
Bosch for Porsche
Bosch parts for Porsche models from Design911, focusing on ignition, engine electrical, and key service items that help keep your car starting, running, and driving as it should
A Quick Look at Bosch
Bosch information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.
Choosing the Right Fit for Your Porsche
Where Bosch is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.
- Typical reasons to choose Bosch include improving reliability of sensors, ignition parts, and service components so that warning lights, hard starting, and poor running are less likely to reappear after repair.
- Common symptoms that lead to replacement include misfires, rough idle, hard starting, poor fuel economy, and intermittent or persistent sensor-related fault codes.
- Before replacing a part again, it is sensible to check battery voltage, wiring, connectors, and for vacuum or air leaks, as these often cause repeat issues even with new components.
- Where available, using live diagnostic data and carefully inspecting connectors helps confirm faults before you fit Bosch parts, reducing guesswork and unnecessary replacements.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.
Engine Electrical — Engine electrical parts cover starting, charging, ignition, and many of the sensors and control components that keep your Porsche running smoothly; they are often replaced when diagnosing no-starts, misfires, charging issues, and warning lights, and Bosch is frequently chosen for known-quality engine management parts where listed.
- Check battery condition, grounds, and connector corrosion before condemning multiple components.
- Use fault codes as a guide but confirm with testing rather than replacing parts blindly.
Distributor Cap — Distributor caps are a wear item in older Porsche ignition systems; they are changed when chasing misfires, rough idle, damp-weather starting problems, or visible corrosion and tracking, and Bosch caps can be a suitable choice where specified for consistent spark distribution.
- Inspect inside the cap for dark tracking lines, cracks, and terminal corrosion if you notice misfires, especially in wet conditions.
- Consider replacing the cap together with the rotor so that both wear items are refreshed at the same time.
Ignition Coil — A single ignition coil is typically replaced when there are misfires under load, rough running as the engine warms up, or visible damage and leakage, and selecting a Bosch coil where applicable helps restore strong, consistent spark energy.
- Heat-related failures may only show when the engine is hot, so test and observe symptoms at full operating temperature.
- Check plugs and leads as part of diagnosis, as excessive resistance can overload coils and lead to repeat failures.
Service Parts — Service parts such as filters, plugs, and ignition items are renewed as routine maintenance to maintain performance, economy, and reliability; Bosch components are often used where their specification matches Porsche requirements.
- Regular servicing with quality parts can resolve multiple overlapping issues like hard starting, poor economy, and rough idle in one step.
- Keeping a dated service record helps future diagnostics and supports the car’s long-term value.
Ignition Coils — Sets or kits of ignition coils are fitted when misfires are present across cylinders, when the history is unknown, or as a reliability refresh, and Bosch coils can be an option where listed to match or complement Porsche ignition strategies.
- If one old coil has failed and others are the same age, renewing them together can reduce repeat misfire call-backs.
- Inspect coil boots and connectors carefully for cracks and tracking, and confirm spark plug specification before fitting new coils.
Explore Bosch at Design911
View the current Bosch range for Porsche at Design911, then filter by model and category to narrow down to the right parts.
Fuel Injector Kit – Direct Injection Replacement
These fuel injectors are designed for the
Porsche 95B.1 Macan 2.0ltr engine, providing precise fuel delivery for
optimal combustion, performance and efficiency.
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Diagram Ref No 15
The Macan 2.0 uses a direct injection system, where fuel is injected at high pressure directly into the combustion chamber. Accurate injector performance is essential for smooth running, power output and emissions control.
What Fuel Injectors Do
Fuel injectors are responsible for:
• Delivering the correct amount of fuel into
each cylinder
• Atomising fuel for efficient combustion
• Supporting smooth idle and acceleration
• Maintaining power, fuel economy and emissions compliance
In direct injection engines like the Macan 2.0 TFSI, injectors operate under extremely high pressure and must maintain precise spray patterns.
Why Fuel Injectors Fail
Over time, Porsche Macan 2.0 injectors can develop issues due to:
Carbon build-up
Direct injection engines are prone to carbon deposits, which can affect
injector spray patterns and flow.
Internal wear
High-pressure operation causes gradual internal component wear.
Contamination
Poor fuel quality or debris in the fuel system can damage injector nozzles.
Electrical faults
Injector solenoids can fail, causing misfires or uneven fuel delivery.
Common Symptoms of Failing Injectors
• Engine misfires
• Rough idle
• Hesitation under acceleration
• Increased fuel consumption
• Check engine light
• Poor cold starting
Ignoring faulty injectors can lead to further engine issues, including catalytic converter damage or bore wash from incorrect fuelling.
Why You May Need to Replace Your Macan 2.0 Injectors
Restore Engine Performance
Replacing worn injectors restores correct fuel atomisation and combustion
efficiency.
Fix Misfires and Running Issues
New injectors eliminate uneven fuel delivery that causes hesitation and misfire
faults.
Improve Fuel Economy
Correct spray patterns ensure optimal air-fuel mixture, improving efficiency.
Prevent Long-Term Engine Damage
Addressing injector problems early protects pistons, valves and emissions
components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A7096036
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Fuel Injector – Direct Injection Replacement
Sold each - required per car
These fuel injectors are designed for the
Porsche 95B.1 Macan 2.0ltr engine, providing precise fuel delivery for
optimal combustion, performance and efficiency.
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
Diagram Ref No 1
The Macan 2.0 uses a direct injection system, where fuel is injected at high pressure directly into the combustion chamber. Accurate injector performance is essential for smooth running, power output and emissions control.
What Fuel Injectors Do
Fuel injectors are responsible for:
• Delivering the correct amount of fuel into
each cylinder
• Atomising fuel for efficient combustion
• Supporting smooth idle and acceleration
• Maintaining power, fuel economy and emissions compliance
In direct injection engines like the Macan 2.0 TFSI, injectors operate under extremely high pressure and must maintain precise spray patterns.
Why Fuel Injectors Fail
Over time, Porsche Macan 2.0 injectors can develop issues due to:
Carbon build-up
Direct injection engines are prone to carbon deposits, which can affect
injector spray patterns and flow.
Internal wear
High-pressure operation causes gradual internal component wear.
Contamination
Poor fuel quality or debris in the fuel system can damage injector nozzles.
Electrical faults
Injector solenoids can fail, causing misfires or uneven fuel delivery.
Common Symptoms of Failing Injectors
• Engine misfires
• Rough idle
• Hesitation under acceleration
• Increased fuel consumption
• Check engine light
• Poor cold starting
Ignoring faulty injectors can lead to further engine issues, including catalytic converter damage or bore wash from incorrect fuelling.
Why You May Need to Replace Your Macan 2.0 Injectors
Restore Engine Performance
Replacing worn injectors restores correct fuel atomisation and combustion
efficiency.
Fix Misfires and Running Issues
New injectors eliminate uneven fuel delivery that causes hesitation and misfire
faults.
Improve Fuel Economy
Correct spray patterns ensure optimal air-fuel mixture, improving efficiency.
Prevent Long-Term Engine Damage
Addressing injector problems early protects pistons, valves and emissions
components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A7096036
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
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12 Month Warranty
Worldwide Delivery
Fuel pump and fuel sender kit for Porsche 911 3.2L models from 1984–1989, covering both early 915 and later G50 Carrera variants, combines key fuel delivery and level-sensing components in one package.
What This Product Does
This kit brings together a replacement fuel pump and sender unit to deliver fuel from the tank at the correct pressure while providing a matching level signal to the gauge. It is intended to support reliable running, consistent fuel supply, and accurate tank level indication on 3.2 Carrera models.
Functions
- Draws fuel from the tank and feeds it towards the engine
- Helps maintain appropriate fuel pressure within the system envelope
- Measures fuel level within the tank for the dashboard gauge
- Supports smooth starting and running by stabilising fuel delivery
- Assists in preventing fuel starvation when the tank level is low
Symptoms of Fault
- Long cranking, intermittent no-start or cutting out under load
- Hesitation, surging or loss of power at higher revs
- Whining or humming noises from the pump area
- Fuel gauge reading erratically, stuck full/empty or inconsistent with actual level
- Hot-start issues or stalling at junctions
Why Replacement Matters
Age, fuel contamination and electrical wear can cause a pump to become noisy or weak, and sender units can suffer from worn tracks or sticking floats. Replacing tired components helps restore stable fuel flow and more predictable gauge readings, which is particularly relevant on older 911 3.2 models where many original parts are still in service. Addressing pump and sender issues together can reduce repeat visits into the tank area and supports methodical maintenance on classic 911s.
Fits
- Porsche 911 1984–1986 3.2L
- Porsche 911 1987–1989 3.2L G50
FAQs
- Q: Can a weak fuel pump still allow the car to run?
A: Yes, a tired pump may run the engine at light load but struggle to maintain pressure during hard acceleration or higher revs, showing up as hesitation or cutting out. - Q: Do fuel pump problems always trigger obvious noise?
A: Not always, but increasing whining or humming from the tank area is a common early sign, especially if performance has started to deteriorate. - Q: Could a relay or wiring fault mimic pump failure?
A: Yes, low voltage, poor earths or a failing relay can cause similar no-start or intermittent running symptoms, so basic electrical checks are sensible before condemning the pump. - Q: Why does low fuel level sometimes make symptoms worse?
A: With little fuel in the tank, the pump can run hotter and may ingest more debris or air, which makes any underlying weakness more noticeable. - Q: Should the fuel filter be checked when replacing a pump?
A: It is common practice to inspect or renew the fuel filter at the same time, as restriction can overload a new pump and affect pressure.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460810204
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Fits:
Porsche 987 Boxster / S 2007-08
Porsche 987C Cayman / S 2006-08
Porsche 997 3.6L / 3.8L 2005-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760512300
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
Bosch product (0 280 156 102)
Fits:
Porsche 955 Cayenne V8 4.5L Turbo 2003-06
8 per car. Price is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94860513102
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne Turbo 4.5L 2003-06
Fits:
Porsche 955 Cayenne S V8 4.5L 2003-06
This product supersedes Porsche's old part numbers:
- 94860513001
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94860513002
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
This BOSCH spark plug set (pack of 4) is a complete ignition service solution for Porsche four-cylinder engines, supplying all spark plugs required for a full replacement on the 924S, 944, 912E, and 968 models. Designed to meet OEM specifications, this set ensures consistent ignition performance and balanced combustion across all cylinders.
PACK OF 4
Fits:
Porsche 924S 2.5L 1986 - 1988
Porsche 944 / 944S / 944S2 / 944T 1985 - 1991
Porsche 912E
Porsche 968 1992 - 1995 Coupe
Spark plugs are a critical engine component, responsible for igniting the air-fuel mixture within the combustion chamber. Correct specification spark plugs help maintain smooth engine operation, reliable cold starting, efficient fuel combustion, and stable performance under varying driving conditions. Worn or incorrect spark plugs can lead to misfires, rough idle, reduced power, and increased fuel consumption.
Manufactured by Bosch, a trusted original equipment supplier, these spark plugs are engineered to the correct heat range and electrode configuration required for Porsche four-cylinder engines. Their high-quality construction promotes long service life, reduced fouling, and dependable ignition performance, making them ideal for routine servicing, preventative maintenance, or restoration of classic and modern transaxle Porsche models.
• Generates a strong, consistent spark for efficient combustion
• Supports smooth idle, improved throttle response, and reliable starting
• Helps maintain fuel efficiency and overall engine performance
Key Functions & Benefits:
• Genuine Bosch manufacture
• Complete set of 4 spark plugs
• OEM-quality materials and precision engineering
• Correct specification for Porsche four-cylinder engines
• Long service life with stable ignition performance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
The product you are viewing cross references to these numbers
- 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 912E 4CYL 1976
The Bosch Ignition Coil delivers powerful, consistent spark performance to ensure optimal engine combustion. Designed to meet OEM specifications, this ignition coil guarantees reliable ignition timing, improved fuel efficiency, and smooth engine operation. Manufactured using Bosch’s advanced winding and insulation technology, this ignition coil provides high voltage output with excellent heat resistance and long service life. It is the ideal replacement for worn or failing ignition coils, restoring factory-level performance and reliability. Whether you’re replacing a faulty coil or performing preventative maintenance, Bosch ignition coils are trusted worldwide for their precision engineering, durability, and superior performance.
Fits:
Porsche 356 1600/S/S90 1960-65
Porsche 912 1965-69
Diagram ref no 42
Bosch is a global leader in automotive ignition systems, supplying OEM components to major vehicle manufacturers.
Choosing Bosch means:
- Proven OEM reliability
- Long-lasting performance
- Precision-engineered components
- Trusted by professionals worldwide
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61660210900
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
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12 Month Warranty
Worldwide Delivery
Express Delivery
Fits:
Porsche 95B Macan S 3.0L / Turbo 3.6L 2014-18
Porsche 958 Cayenne 3.6L V6 Turbo / V6 Turbo GTS 2015-18
Porsche 970 Panamera S 3.0L 2014-16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917023590
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Fits:
Porsche 911 all Turbos 3.0L / 3.3L and 911 3.0L without KAT 1975-89
The "rotor" head is attached to the top of the distributor shaft which is driven by a gear on the engine's camshaft and thus synchronized to it. This rotor is pressed against a carbon brush on the center terminal of the distributor cap which connects to the ignition coil either through the top and wired directly to the coil in HEI systems, or via the centre terminal in points ignition systems and remotely connected to the coil.
The rotor is constructed such that the centre tab is electrically connected to its outer edge so that voltage coming in to the centre post travels through the carbon point to the outer edge of the rotor. As the camshaft rotates, the rotor spins and its outer edge passes each of the internal plug terminals to fire each spark plug.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93060290105
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
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12 Month Warranty
Worldwide Delivery
Express Delivery
Electrical plug housing - multiple applications (see below).
Porsche 986 Boxster 1997-04
- Camshaft position sensor
- Throttle valve
- Ignition coil
Porsche 996 Carrera & GT3 1998-05
- Ignition coil
Porsche 964/993 Carrera & Turbo 1994-98
- Crankshaft position sensor
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99965291640
The product you are viewing cross references to these numbers
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 95B.1 Macan 2.0L R4 TFSI 05/2014-09/2018 (95BAA1+)
Porsche 95B.2 Macan 4-cylinder SI engine 2.0L 2019-21 (2TG)
Option code: (P7CE) Emission standard LEV 3/Tier 3 70
Option code: (P7CM) Emission standard C6b without Real Driving Emissions (RDE)
Option code: (P7GH) Emission standard EU4 without EOBD without hardware modification
Option code: (P7MM) Emission standard EU6 plus
Porsche 9YA Cayenne 2.0L 2018>> (DFKS / DFK) * China market only
Option code: (7CM) C6B emissions concept without RDE
Option code: (7GR) Emission standard C5 stage 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95890560100
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
- Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
Fits - LHD and RHD cars
Fits:
- Porsche 955 Cayenne MKI 2003-06
- Porsche 957 Cayenne MKII 2007-10
Diagram ref no 9.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95562805000
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
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12 Month Warranty
Worldwide Delivery
Express Delivery
Kit includes 2 x Lambda oxygen sensor
Fits:
Porsche 991.1 Carrera 2 / Carrera 4 - 2012 to 2016
Porsche 991.1 S Carrera 2S / Carrera 4S - 2012 to 2016
Function:
The Oxygen Sensor (also known as Lambda Sensor) is located in the exhaust manifold and measures the amount of unburned oxygen in your engine's exhaust. Based on the amount of oxygen, it sends a signal to your engine computer which then adjusts the air/fuel mixture for optimum engine performance and emission control.
Failure Symptoms:
Excessive fuel consumption, a faulty oxygen sensor can waste 30% of your fuel.
Driveability problems, such as engine surging or hesitation.
High hydrocarbon emissions, failing an emissions inspection.
The engine warning light may be on or service flag displayed.
The ecu/computer stores a mixture-related fault code.
When the oxygen sensor has stopped functioning completely, the catalytic converter may overheat and fail
Maintenance/Service:
Test and/or replace every 30,000 miles.
Perform periodic emission checks.
Watch for service light.
Vehicle manufacturers recommend periodic inspection and replacement of oxygen sensor.
Diagram ref no 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
LAMBDAKIT21
The product you are viewing cross references to these numbers
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
Kit includes 4 x Lambda oxygen sensor ( 2 x before and 2 x after catalytic converter)
Fits:
Porsche 997.1 turbo - 2007 to 2009
Porsche 997.1 GT2 - 2008 to 2009
Function:
The Oxygen Sensor (also known as Lambda Sensor) is located in the exhaust manifold and measures the amount of unburned oxygen in your engine's exhaust. Based on the amount of oxygen, it sends a signal to your engine computer which then adjusts the air/fuel mixture for optimum engine performance and emission control.
Failure Symptoms:
• Excessive fuel consumption, a faulty oxygen sensor can waste 30% of your fuel.
• Driveability problems, such as engine surging or hesitation.
• High hydrocarbon emissions, failing an emissions inspection.
• The engine warning light may be on or service flag displayed.
• The ecu/computer stores a mixture-related fault code.
• When the oxygen sensor has stopped functioning completely, the catalytic converter may overheat and fail
Maintenance / Service:
• Test and/or replace every 30,000 miles.
• Perform periodic emission checks.
• Watch for service light.
• Vehicle manufacturers recommend periodic inspection and replacement of oxygen sensor.
Diagram ref no 32 and 33
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
LAMBDAKIT19
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
Kit includes 4 x Lambda oxygen sensor (before and after catalytic converter)
Fits:
Porsche 997.2 Carrera 2 / Carrera 4 3.6ltr - 2009 to 2012
Porsche 997.2 Carrera 2S / Carrera 4S 3.6ltr - 2009 to 2012
Function:
The Oxygen Sensor (also known as Lambda Sensor) is located in the exhaust manifold and measures the amount of unburned oxygen in your engine's exhaust. Based on the amount of oxygen, it sends a signal to your engine computer which then adjusts the air/fuel mixture for optimum engine performance and emission control.
Failure Symptoms:
• Excessive fuel consumption, a faulty oxygen sensor can waste 30% of your fuel.
• Driveability problems, such as engine surging or hesitation.
• High hydrocarbon emissions, failing an emissions inspection.
• The engine warning light may be on or service flag displayed.
• The ecu/computer stores a mixture-related fault code.
• When the oxygen sensor has stopped functioning completely, the catalytic converter may overheat and fail
Maintenance/Service:
• Test and/or replace every 30,000 miles.
• Perform periodic emission checks.
• Watch for service light.
• Vehicle manufacturers recommend periodic inspection and replacement of oxygen sensor.
Diagram ref no 6 and 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
LAMBDAKIT17
The product you are viewing cross references to these numbers
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
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Saturday: Closed
Sunday: Closed