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Porsche > Macan (95B) MK2 2019-2021 > 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21 > Engine Rebuild Parts > Crankcase Parts >

Rear Main Oil Seal. Porsche 957 / 958 Cayenne / 970 Panamera ❭ 95510105300

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OE Match

95510105300/2

Product Information

Rear Main Oil Seal.
The OE Match Rear Main Oil Seal is a premium-quality replacement engine sealing component designed to provide a reliable oil-tight seal between the rear of the crankshaft and the engine block on compatible Porsche engines. Manufactured to OE specifications for fit, sealing performance and durability, this rear main oil seal prevents engine oil from leaking from the rear of the engine while allowing the crankshaft to rotate freely, ensuring optimum lubrication and dependable engine performance.

Fits:

Porsche 957 Cayenne 3.0L Diesel 2007-10
Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16

Diagram Ref No 34

Manufactured from premium heat-resistant elastomer with a precision-moulded sealing lip and reinforced outer casing, the seal is engineered to withstand high crankshaft speeds, continuous thermal cycling, elevated engine temperatures and prolonged exposure to engine oil. Designed for direct OE-style installation, it provides a precise fit and long-lasting sealing performance, making it the ideal replacement during clutch replacement, transmission removal, engine rebuilds or when repairing engine oil leaks.

What This Product Does:

Prevents engine oil from leaking from the rear of the crankshaft.
Maintains the integrity of the engine lubrication system.
Provides a durable seal while allowing smooth crankshaft rotation.
Helps protect the flywheel and transmission bell housing from oil contamination.
Prevents dirt and moisture from entering the engine.
Supports reliable engine lubrication and performance.
Restores factory sealing efficiency.
Forms an essential part of the engine sealing system.

Symptoms Of Wear Or Failure:

Engine oil leaking between the engine and transmission.
Oil spots beneath the rear of the vehicle.
Burning oil smell caused by oil contacting hot engine or exhaust components.
Oil contamination inside the transmission bell housing.
Clutch slipping due to oil contamination (manual transmission models).
Gradual engine oil loss.
Hardened, cracked or worn sealing lip.
Excessive oil residue around the rear of the engine.
Persistent oil leaks despite replacing nearby gaskets.
Reduced engine reliability due to ongoing oil loss.

Why Replacement Matters:

The rear main oil seal is continuously exposed to high temperatures, engine oil, pressure fluctuations and the constant rotation of the crankshaft. Over time, the sealing lip naturally wears, hardens or loses elasticity, reducing its ability to maintain an effective oil-tight seal.
A leaking rear main oil seal can allow engine oil to contaminate the flywheel, clutch assembly or transmission bell housing, leading to clutch slip, increased maintenance costs and gradual loss of engine oil. If left unresolved, insufficient lubrication can accelerate internal engine wear and potentially result in costly engine repairs.
Replacing a worn or damaged rear main oil seal restores the engine's sealing integrity, protects surrounding components from oil contamination and ensures reliable long-term lubrication. The OE Match replacement provides factory-style fitment, premium-quality sealing materials and long-lasting durability, making it the ideal solution for Porsche servicing, engine repairs and preventative maintenance.

Related reference numbers
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95510105300

95510105300

The product you are viewing cross references to these numbers

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Knock Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 9YA / 9YA.2

PAC905377A

Product Information

Knock Sensor.

The Knock Sensor is a vital engine management sensor designed to detect abnormal combustion events, commonly known as engine knock or detonation. Mounted directly to the engine block, the sensor continuously monitors engine vibrations and sends real-time data to the engine control unit (ECU).
Sold Each.

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Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
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Porsche 971.2 Panamera 4 2.9L V6 2021-23
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Porsche 971.2 Panamera 4S 2.9L V6 2021-23
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Diagram Ref No 10

When knock is detected, the ECU can instantly adjust ignition timing and other engine parameters to protect the engine from damage while maintaining optimal performance. Manufactured to OEM-quality standards, the knock sensor provides accurate detection, reliable communication with the ECU, and long-term durability in demanding engine environments.

What This Product Does:

Monitors engine vibrations for signs of knock or detonation
Sends real-time data to the engine control unit (ECU)
Allows the ECU to adjust ignition timing when necessary
Helps optimise engine performance and efficiency
Protects internal engine components from combustion-related damage
Supports smooth engine operation under varying loads and conditions

Symptoms Of Wear Or Failure:

Check engine light illumination
Engine knock or pinging noises under acceleration
Reduced engine performance and power output
Poor fuel economy
Engine hesitation or sluggish throttle response
Incorrect ignition timing adjustments
Increased emissions Knock sensor-related fault codes stored in the ECU

Why Replacement Matters:

Restores accurate detection of engine knock and detonation
Allows proper ignition timing adjustment by the ECU
Helps maximise engine performance and fuel efficiency
Protects pistons, valves, and other internal engine components from damage
Reduces the risk of long-term engine wear caused by uncontrolled detonation
Maintains emissions compliance and engine efficiency
Prevents unnecessary engine management faults and warning lights
Ensures reliable communication between the engine and ECU for optimum operation

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAC905377A

PAC905377A

The product you are viewing cross references to these numbers

Knock Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 9YA / 9YA.2

PAC905377A/1

Product Information

Knock Sensor.

The BOSCH Knock Sensor is a vital engine management sensor designed to detect abnormal combustion events, commonly known as engine knock or detonation. Mounted directly to the engine block, the sensor continuously monitors engine vibrations and sends real-time data to the engine control unit (ECU).
Sold Each.

Fits:

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Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
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Diagram Ref No 10

When knock is detected, the ECU can instantly adjust ignition timing and other engine parameters to protect the engine from damage while maintaining optimal performance. The BOSCH knock sensor provides accurate detection, reliable communication with the ECU, and long-term durability in demanding engine environments.

What This Product Does:

Monitors engine vibrations for signs of knock or detonation
Sends real-time data to the engine control unit (ECU)
Allows the ECU to adjust ignition timing when necessary
Helps optimise engine performance and efficiency
Protects internal engine components from combustion-related damage
Supports smooth engine operation under varying loads and conditions

Symptoms Of Wear Or Failure:

Check engine light illumination
Engine knock or pinging noises under acceleration
Reduced engine performance and power output
Poor fuel economy
Engine hesitation or sluggish throttle response
Incorrect ignition timing adjustments
Increased emissions Knock sensor-related fault codes stored in the ECU

Why Replacement Matters:

Restores accurate detection of engine knock and detonation
Allows proper ignition timing adjustment by the ECU
Helps maximise engine performance and fuel efficiency
Protects pistons, valves, and other internal engine components from damage
Reduces the risk of long-term engine wear caused by uncontrolled detonation
Maintains emissions compliance and engine efficiency
Prevents unnecessary engine management faults and warning lights
Ensures reliable communication between the engine and ECU for optimum operation

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAC905377A

PAC905377A

The product you are viewing cross references to these numbers

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Rear Main Oil Seal. Porsche 957 / 958 Cayenne / 970 Panamera ❭ 95510105300