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The OE Match Oil Cooler O-Ring (28 x 3 mm) is a precision-engineered sealing component developed to meet original Porsche specifications for fit, durability, and performance. This O-ring is used within the engine oil cooling system, where it seals connections between the oil cooler and coolant or oil passages.
Sold individually, 2 required per vehicle
Fits:
Porsche 987.1 Boxster 2.7L / 3.2L / 3.4L 2005 - 2008
Porsche 987C.1 Cayman 2.7L / 3.4L 2006 - 2008
Porsche 997.1 Carrera 3.6L / 3.8L 2005 - 2008
Diagram ref no 19
This O-ring is commonly required when servicing or replacing the oil cooler, oil pipes, or related engine components and should always be renewed during reassembly to prevent leaks and ensure long-term reliability.
Function
• Provides a tight seal for oil cooler connections
• Prevents engine oil leaks and pressure loss
• Maintains proper lubrication and cooling efficiency
• Resists heat, pressure, and oil exposure
• Ensures long-term sealing reliability
Fitment & Application
• System: Engine oil cooler / lubrication system
• Position: Oil cooler to housing / pipe connections
• Size: 28 mm inner diameter x 3 mm thickness
• Function: Prevents oil leaks and maintains system pressure
• Sold: Individually
O-rings in the oil system are exposed to high temperatures and continuous contact with engine oil, causing them to harden, flatten, or degrade over time. A failing seal can lead to oil leaks, reduced pressure, and potential engine damage. Replacing this O-ring during servicing ensures a proper seal, maintains oil system integrity, and protects engine components.
When to replace
• During oil cooler or pipe servicing
• Visible oil leaks around cooler connections
• O-ring appears flattened, brittle, or cracked
• Preventative replacement during engine maintenance
• When removing or reinstalling oil system components
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99970754740
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- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
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- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
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- Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 2021-23
- Porsche 976 Panamera Turbo E-Hybrid V8 4.0L 2023>>
Fits:
Porsche 971-1 Panamera GTS 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo S E-Hybrid 4.0L V8 2017-21
Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24
Porsche 976 Panamera Turbo E-Hybrid 4.0L V8 2021-24
Porsche 9YA-1 Cayenne GTS 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24
Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne GTS 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>>
Diagram ref. 17.
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- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
- Porsche 971.2 Panamera GTS 4.0L V8 2021-23
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Fits:
Porsche 971-1 Panamera GTS 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo S E-Hybrid 4.0L V8 2017-21
Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24
Porsche 976 Panamera Turbo E-Hybrid 4.0L V8 2021-24
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Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24
Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne GTS 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>>
Diagram ref. 17.
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Cars With Engine Codes:
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Porsche 9YA Cayenne Turbo 4.0L V8 2018>>2024
Porsche 9YA Cayenne Turbo S E-Hybrid 4.0L V8 2018>>2024
Porsche 9YA Cayenne Turbo GT 4.0L V8 2018>>2024
Cars With Engine Codes:
DCU / DCUA / DCUD / DWN / DWNA
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Porsche 9YB Cayenne GTS 4.0L V8 2023>>
Porsche 9YB Cayenne Turbo E-Hybrid 4.0L V8 2023>>
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Diagram Ref No 16
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