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Rear main oil seal fitting tool for Porsche Boxster and 911 M96/M97 ❭ 0PB105249
- 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 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 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08

Fits
Boxster/Cayman 1997-2008
Porsche 911 Carrera 1999-2008 (Excludes Turbo, GT3 and GT2 models)
Description of Tool
This is a 3D Printed tool for installing the Rear Main Seal on Porsche M96/M97 engines to the correct depth without damage to the seal. The tool is 3D printed from hard, black plastic and is very solid and durable. It is aimed at DIYers and hobbyists due to its low cost in comparison to the official Porsche tool, but would be well suited to small independent garages as the tool can be reused many times without damage.
How to use
Care must be taken when using this tool as although it is designed to make the installation of the seal as easy as possible, it is still possible to damage or incorrectly install the seal if care is not taken to install the seal properly. We accept no responsibility for incorrect usage of the tool and possible damage to the seal or engine of the vehicle. We advise you to always confirm with a digital calipers or other measuring device to make sure the seal is installed at the correct depth.
To use this tool you will also need 4 M10 X 75mm bolts and 4 washers. This is to allow for the extra thickness of the tool, and to spread the force from the bolts across the surface of the tool.
The seal must first be correctly orientated and then gently located into the opening around the crankshaft. To do this, leave the blue plastic ring in place and place the seal over the end of the crankshaft. Then push the seal on gently so that the end of the crankshaft pushes the blue ring out of the seal and the seal gets pushed onto the outside of the crankshaft.
Next place the RMS fitting tool over the seal and thread each of the 4 bolts into the crankshaft, through the holes in the tool. Make sure to orientate the tool so that the cut-out for the flywheel guide pin in the crankshaft lines up with the pin. Screw each bolt in slowly until they just about make contact with the face of the tool. From this point on the seal will start to be inserted into the engine.
Turn each bolt a quarter turn at a time, turning all 4 a quarter turn before tightening the first one again, and continuing the cycle. It is very important that the bolts are tightened small amounts, one at a time to make sure that the seal is inserted straight and not at an angle which will damage the seal.
Repeat this until the face of the crankshaft comes into contact with the inner face of the tool and it will not push the seal in any further. Remember that the tool is plastic so excessive force at the point will possibly damage the tool and push the seal in too far.
The 4 bolts can now be unscrewed and fully removed from the crankshaft. The tool can then be removed. It may be a slightly tight fit, and if it is difficult to remove by hand then there are slots in the sides of the tool to allow a screwdriver or prying tool to grip the tool and remove it. If using the slots, be careful to apply even force to both sides to ensure that the tool does not come out at an angle and get stuck or potentially move the seal.
Once the tool and bolts are removed, visually inspect the seal to make sure there is no damage. Then, use a ruler, digital callipers or depth gauge, check the depth of the seal. It should measure 13mm, from the face of the crankshaft to the face of the seal. As long as the tool was used correctly and is suitable for your engine, the seal will be installed at the right depth.
These instructions are only intended as a rough guide, you should always check a workshop manual or research online to ensure the part is being installed correctly. Using this tool requires some practical knowledge so if you are not confident in your abilities please do not attempt to install the seal yourself.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
0PB105249
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- 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 TURBO 2000-05
- 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 2007-09
- Porsche 997 MK1 GT2 2007-09

No more hammering, chiseling, swearing, heating, prying or praying to get an 911 engine case apart. STOMSKI RACING'S SR124 ELEGANTLY and GENTLY separates the engine case halves and not only shortens the process of engine tear-down, but it also protects what doubtlessly is an expensive asset- the engine case itself. The rare #s matching early 911S sand-cast aluminum case, or the impossible to find 911 GT3 RSR case, or the early magnesium case that seems so fragile, all can NOW be protected from the threat of the block of wood and lead hammer, or the torch, or the pry-bar and chisel.
SR124 includes a CNC precision machined aluminum platform that you bolt to four head studs (ideally over #2 or #5) using the included thumbscrews. An over-sized drive-screw (stainless steel) is then threaded through the platform to mate with a high-load bearing in our specially designed rod cap that presses against the wrist pin of #2 or #5 connecting rod that is at bottom-dead-center. As you slowly use a wrench or ratchet to tighten the drive-screw, the torque of the SR124 splitter is evenly distributed through the entire crankshaft, pressing against ALL 8 main bearings. Once the slack is taken up, only GENTLE effort on the drive screw is required to split even the most belligerent of cases.
The SR124 platform is designed to work on all Mezger 911s (2.0 through 997) and includes Delrin inserts/sleeves that protect the head studs from scratches or dings.
- 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 TURBO 2000-05
- 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 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 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
When assembling the case halves on the 911 engine STOMSKI RACING's SR222-GT3 Timing Chain Strap will prove instrumental in supporting the chain to allow easier mating of the halves. Proper length, radius bend, tension, and quality steel insure that this tool will provide reliable and consistent support for all your engine builds.
fits
• SR222-GT3 for the 996/997 GT2, GT3, and TT engines.
- 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 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13

Here is the ultimate tool to press the cylinders in and out of the water jacket on GT3, Turbo, and RS/RSR 996/997 engines.
This kit includes everything you need to safely, accurately, quickly, and conveniently perform this critical task.
Each kit contains:
• ring compressor (1 @102.7)*,
• Delrin cylinder spacers (4),
• complete stainless steel/AL press,
• aluminum cylinder bushing,
• bolts, and a sturdy storage case.
*100mm ring compressor (1) available separately.
Monday-Friday: 8.30am - 5.30pm (GMT)
Saturday: Closed
Sunday: Closed