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Oil Sump
By OE Match
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
- Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- 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
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- 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
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman 718 2.0L Manual (300 Bhp)
- Porsche Cayman 718 2.0L PDK (300 Bhp)
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
This small but critical component creates a secure, leak-proof seal between the oil drain plug and the engine’s oil pan to prevent engine oil seepage. It is sized and manufactured to match the original Porsche specification for a reliable fit and sealing performance.
Sold each
Fits:
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 981 Boxster
Porsche 982 (718) Boxster
Porsche 987C Cayman
Porsche 981C Cayman
Porsche 982 (718) Cayman
Porsche 996
Porsche 997
Porsche 991
Diagram ref no 24
This premium OE Match seal ring (also referred to as a crush washer or gasket) is engineered to the correct inner/outer diameters and material thickness used by Porsche on multiple model platforms.
The seal ring is ideal for use during every oil change where the drain plug has been removed and reinstalled, and whenever the original ring shows signs of compression set, distortion, corrosion, or damage. This OE Match version delivers a direct fit and consistent sealing performance comparable to the factory-specified part.
The oil drain plug seal ring sits between the oil drain plug head and the engine oil pan surface. When the drain plug is torqued to specification, the seal ring compresses slightly to form a fluid-tight barrier, preventing engine oil from escaping the sump under pressure or vibration. A proper seal helps maintain correct oil levels and prevents messy leaks on the road or in the garage.
Function: Installed each time the engine oil drain plug is removed, the seal ring is “crushed” into place during installation, creating an even seal around the drain hole. Its function is critical because even small oil leaks can lead to reduced oil levels, potential engine damage, and contamination of suspension or exhaust components. The OE Match ring reproduces the original’s sealing surface characteristics so that torque and compression behavior remain within factory-designed tolerances.
Oil drain plug seal rings are single-use sealing components that deform each time the plug is installed. Reusing an old or compressed ring can lead to oil drips or leaks, especially under heat cycling and vibration. A proper OE Match seal ring ensures a dependable oil-tight seal, helping to preserve engine lubrication integrity, avoid oil loss, and protect against environmental contamination.
When to replace:
• Every time the **oil drain plug is removed”
• If existing seal ring shows cracks, flattening, or corrosion
• When performing routine oil and filter service
• After discovering minor oil seepage at the drain plug
• During engine maintenance or oil pan removal
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90012310630
The product you are viewing cross references to these numbers
OEMatch Oil Sump — Fit, Fnction, Confidence
OEMatch oil sumps for Porsche models provide secure oil containment and managed cooling for the lubrication system. Many owners search for genuine or OEM oil sumps; these alternatives are compiled to reflect original specifications and procedures and suit restoration, regular maintenance and performance use.
Available Types
- Replacement oil sumps in aluminium or steel
- Sump gaskets, seals and drain plugs
- Baffled sumps and performance pans
- Pickup tubes and repair sections
Understanding OEMatch Oil Sump
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original oil sump.
OE (Original Equipment) refers to parts matching original specifications for the oil sump and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM oil sumps engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
The oil sump sits at the base of the engine and acts as the main reservoir for lubricating oil. It collects returning oil, feeds the pump and helps dissipate heat from the oil stream. Sumps vary by material, depth and internal baffling to resist oil surge during acceleration, braking and cornering; features such as drain plugs, pickup tube geometry and reinforced flange areas affect serviceability and sealing.
OEMatch supplies a wide range of Porsche-focused components, including sumps, gaskets and related hardware, and maintains an extensive parts catalogue to support repair and restoration across multiple Porsche generations.
Benefits Include
- Secure oil containment and reliable circulation
- Improved temperature control and heat dissipation
- Reduced risk of oil starvation under load
Why Oil Sump Wear and Fail
- Impact damage from road debris or contact with obstacles
- Leaking or degraded gaskets and seals
- Corrosion or warping from heat cycles and contaminants
- Thread damage around the drain plug or oil pickup problems
The Importance of Replacing with OEMatch Oil Sump
Replacing a damaged or leaking sump restores secure oil storage and sealing, reducing the risk of engine damage on Porsche vehicles. A correct replacement preserves oil pressure behaviour, maintains cooling capacity and reduces the chance of oil loss during spirited driving or long journeys. Using an appropriately specified sump and the correct sealing parts helps ensure reliable engine lubrication and easier servicing.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Materials chosen for strength, thermal management and corrosion resistance
- Compatible with factory mounting points, drain arrangements and oil-pickup geometry
Support & Advice
Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified and check for correct sealing and clearance after installation.
