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EPS
EPS for Porsche
Based in Miami FL, EPS was born by the desire to produce quality Porsche products to solve some of the issues that poorly manufactured parts left the consumers to address. For over 35 years, we have offered products that are both upgrades and permanent solutions to catastrophic failure of crucial parts. From the initial assessment to continuous improvement, we select the best suppliers and make it our aim to progress together and create innovations in the automotive industry.
Choosing the Right Fit for Your Porsche
Where EPS 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.
- EPS components are typically chosen to restore steering and suspension function when wear starts to affect feel and safety. Real-world reasons include fixing play, reducing noise, and returning the car to predictable handling.
- Steering play, knocking, clunks on lock, wandering, uneven tyre wear, and vibration. Issues are often worsened by worn bushes/top mounts or poor alignment.
- Allow for a full alignment check after suspension or steering work, and consider replacing parts in pairs where it affects left/right balance.
- Inspect adjacent joints and bushes at the same time, as multiple worn parts can overlap and mask the true source of noise or play.
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 Rebuild Parts — Engine rebuild parts are typically changed during a planned rebuild or when symptoms point to internal wear such as low compression, heavy oil use, persistent oil leaks, abnormal noises, or contamination found during inspection. Renewing critical components while the engine is apart reduces the chance of repeat strip-downs and helps restore long-term reliability.
- Confirm you really need a rebuild by checking compression, leak-down results, borescope inspection, and oil/filter condition before committing.
- Plan to replace chains, guides, seals, gaskets, hardware, and other hard-to-access wear items "while you’re in there" to make the most of the labour.
Engine Tuning — Porsche engine tuning parts are used to improve drivability, throttle response, and power delivery, or to support hardware changes such as intake, exhaust, or forced induction upgrades. Owners also turn to tuning to smooth out flat spots and poor running once the mechanical condition of the engine has been confirmed as healthy.
- Before tuning, verify good compression, stable fueling, correct sensor readings, and that there are no boost or vacuum leaks; tuning cannot fix mechanical faults.
- Monitor coolant and oil temperatures and data logs after changes to ensure the calibration remains safe for how the car is used.
Suspension & Axle — Suspension and axle components are replaced to restore handling precision, ride comfort, braking stability, and overall safety. On Porsche models this often means renewing arms, bushes, dampers, and joints when age or mileage leads to knocks, wandering, or uneven tyre wear.
- Expect symptoms such as knocking over bumps, uneven tyre wear, vibration, pulling under braking, and sagging ride height when suspension parts are tired.
- Have the alignment checked after significant suspension work and consider replacing items in axle pairs to keep behaviour balanced side-to-side.
Track Control Arms FRONT — Front track control arms are replaced to bring front suspension geometry, steering feel, and braking stability back to factory intent. Switching to an EPS arm can also be part of a broader front-end refresh where sharper response and durability are desired.
- Typical signs include knocking over bumps, vague steering, pulling under braking, uneven tyre wear, and shimmy or wandering at speed.
- Always budget for a proper four-wheel alignment afterwards and inspect related parts such as drop links, top mounts, and track rods at the same time.
Track Control Arm REAR — Rear track control arms are renewed to maintain stable rear wheel alignment and predictable handling, especially under acceleration and mid-corner load. Worn bushes or joints can let the rear of the car move around, which is noticeable on both road and track.
- Look for rear-end steer sensations, instability over bumps, uneven rear tyre wear, knocking from the back, and poor traction when accelerating.
- After rear arm work, a geometry check is essential, and it is wise to assess other rear links and subframe bushes because multiple worn parts often share similar symptoms.
Explore EPS at Design911
View the current EPS range for Porsche at Design911, then filter by model and category to narrow down to the right parts.
Clutch Centre Friction Plate.
Fits:
Porsche 911 Carrera 1987-1989
Porsche 911 Turbo 1976-1989
Porsche 964 C4 1989
Porsche 944 Turbo 1986-1991
Parameter: Ø: 242 mm, Hub Profile: 23,3x26,3-23N, Teeth Quant.: 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95011601254
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C4 1989-93
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
Normally 24 studs per engine.

Solves the problems of loose head studs, The exhaust leak you hear in the 911 may actually be the cylinder head leaking where the studs have pulled loose. As Porsche increased displacement of the 911 engine, the different rates of thermal expansion have caused head studs to break or pull out from the engine case.
Superior Tested/Proven strength. (compared to Dilavar & Raceware)
Fits:
Porsche 911 1965-89
Porsche 964 1989-94
Porsche 993 1994-98
This product supersedes Porsche's old part numbers:
- 993 101 170 51
Click picture for large parts diagram.
Diagram Ref No 2.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99310117054
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
Alternator Fan Housing - Alloy
Fits:
Porsche 911 Turbo 1976-83
Please Note: 1978-79 911SC You Will Need To Also Replace The Fan Part No. 93010601200/1
Long discontinued from Porsche we have manufactured an All Aluminium Replacement Alternator Fan Housing that is much more durable then it's predecessor. You can expect a direct fit with no modifications needed.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010600600
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fit:
Porsche 911SC / Turbo (1978-1983) (SC)
Porsche 911SC / Turbo (1978-1983) (TURBO)
Porsche 911 Carrera / Turbo (1984-1986)
Replace your old or worn 11 blade alternator fan with our EPS Performance replacement. A worn fan can cause premature damage to the alternator. On some older cars, this fan is an upgrade which improves cooling and engine temperature. The additional blades allow for increased airflow. Balanced and true, this fan will far outlast the failure prone fans. Made of high strength Aluminium with a Drop Forged Steel hub.
11-Blade Alternator Fan / Impeller (245mm Diameter), 3.25" Diameter Pulley,(also replaces 5 bladed fan) 911 (1980-89)
If your Porsche is fitted with a 226mm Alternator Fan you will need to upgrade to the 245mm fan and also buy a new fan housing Part No. 93010600600/1 , Pully 93010202804 & V belt 99919217650.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010601200
The product you are viewing cross references to these numbers
- 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)
NEW DESIGN, BOLTS NO LONGER SUPPLIED , PLEASE USE EXISTING HARDWARE
Best Selling Product
The innovative Drive Shaft Clamping Center Support (DSCCS) by is the only true Permanent fix to premature bearing support failures. This Patent-Pending device was developed by our team of technicians whom over the course of 2 years were able to create what is now the end-all solution to failing Bearing Supports.
The Clamping Center Support is the ONLY device that can be installed without removing the Drive Shaft from the vehicle or without requiring the disassembly of the Drive Shaft. Why is this so important?
1) By not having to disassemble the Drive Shaft means that NO re-balancing of the shaft is required. All other methods of Bearing Support replacement require this expensive and lengthy procedure. Failure to balance the once disassembled Drive Shaft would result in major vibrations.
2) Our Clamping Bearing Support installs easily to your Drive Shaft, using basic household tools, in less than an hour. This is a Do-it-Yourself repair that will save you very costly repair bills and unnecessary time down. Should you choose to have a professional install it, the labor times will be much less than Drive Shaft replacement or any other method of repair.
The cause of the premature Drive Shaft Support failure is a direct result of too much continuous stress imposed upon the rubber in the mount. This is more the product of the Drive Shaft design than the quality of the rubber material in the mount. Unfortunately, by merely replacing the Bearing Support with another similar rubber mount you can expect much of the same results experienced with the factory rubber mount.
There is only One certain and definite fix.
The EPS Drive Shaft Clamping Center Support for the Porsche Cayenne, Volkswagen Touareg & Audi Q7 takes a completely different approach in solving this, all too common, problem. Getting away from the proven failure-prone solid rubber vibration dampener, we instead use multiple, hollow Silicone Pods. This design is much better equipped to withstand the constant compressing and stretching forces generated while in use. The silicone material also does a much better job of handling the heat and atmospheric conditions located under your vehicle. Even better, although we have over Two Years of use on our test vehicle and the DSCCS is still functioning flawlessly, in the rare event that any of the Pods on the DSCCS fail, they are very easily replaced in minutes.
Key Benefits
� Permanently repairs the notorious bearing support
� DIY installation - typically in under one hour using household tools
No need to remove or disassemble your current Drive Shaft
No need to re-balance your Drive Shaft
No need to send in your faulty Drive Shaft
No core charges
Patent-Pending design
Will pay for itself in labor & shipping costs
*Warranty void if front flex disc is not replaced when the Drive Shaft Clamping Bearing Support Mount is installed.
Fits:
Porsche Cayenne 955 V6 3.2L MK I 2003-2006
Porsche Cayenne 955 V8 S 4.5L MK I 2003-2006
Porsche Cayenne 955 V8 4.5L Turbo MK I 2003-2006
Porsche Cayenne 957 6cyl 3.0L MK II 2007-2008
Porsche Cayenne 957 V8 3.6L MK II 2007-2008
Porsche Cayenne 957 V8 4.8L MK II 2007-2008
Porsche Cayenne 957 V8 4.8L GTS MK II 2007-2008
Porsche Cayenne 957 V8 4.8L Turbo MK II 2007-2008
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95542102098
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

Bearing puller and adapter for extracting the existing bearing from the original center stud/bearing support (shown above)
Bearing driver tool to allow easy installation of the new bearing (shown above)
"Easy Out" adapter to allow extraction of bearing using the EPS bearing puller when and if the center stud/bearing support is broken or breaks during extraction
Crankshaft Pully TDC Lock Pin to secure the engine at the proper position to do an IMS Retrofit
Camshaft locks for both early 5-chain and later 3-chain engines (kit includes one ea.)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610590102TOOL
The product you are viewing cross references to these numbers
- 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
Upgrade with Polyurethane Bushings

Fits:
Porsche 986 1997-04 FRONT only
Porsche 996 All 1998-2005 FRONT and REAR
Please click 'Zoom in' to view the diagram (No 17)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99733104302
The product you are viewing cross references to these numbers
- 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 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