Powerflex
EPTG Ltd (European Polyurethane Technologies Group) was formed in the UK in 1996 to take advantage of the significant advances made in the development of polyurethane in recent years.
The company has wide experience in automotive suspension and chassis systems and combining these design skills with advanced polyurethane manufacturing techniques led to the development of a wide range of high performance, Porsche automotive polyurethane components now known the world over by the product name POWERFLEX.
The company operates in a self-contained state-of-the-art factory, manufacturing everything in-house.
Quantity per pack: 4 bushes, 4 washers, 2 lock nuts.

Fits:
Porsche 944 1985-91 ALL Front
Porsche 968 1992-95 ALL Front
Click 'Zoom in' to display fitment diagram - Ref No 5, 8, 10.
Powerflex Heritage Collection. For Modern Day Classics.
POWERFLEX Heritage Collection bushes are manufactured using modern day materials with properties biased for the road. These dark grey coloured bushes will improve any collectors car, whilst retaining the same standard appearance of a rubber bush.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF57-210H
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Fits Gen 2 manual and PDK gearbox's with a single bush in the end casing except for Turbo GT2 & GT3 models which use PFR57-531. For Gen 1 models please use PFR57-532.
OEM Part Number: 9A137505502

Fits:
Porsche 997.2 2009-12 manual gearbox
Porsche 997.2 2009-12 PDK gearbox
Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.
Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.
If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-533BLK
The product you are viewing cross references to these numbers
- 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
Fits Gen 2 manual and PDK gearbox's with a single bush in the end casing except for Turbo GT2 & GT3 models which use PFR57-531. For Gen 1 models please use PFR57-532.
OEM Part Number: 9A137505502

Fits:
Porsche 997.2 2009-12 manual gearbox
Porsche 997.2 2009-12 PDK gearbox
Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-533
The product you are viewing cross references to these numbers
- 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

OEM Part Number: 4G0399153
OEM Part Number: 4M0399153
OEM Part Number: PAB399153
Fits:
Porsche 9YA Cayenne 2018>> PETROL
Click 'Zoom in' for large parts diagram.
Fits to no 3 on diagram.
Road Series
For Road and fast Road use
POWERFLEX Road Series bushes improve your cars road holding and chassis performance by controlling the amount of unwanted flex in the suspension. They offer Prolonged tyre life, Improved performance, Increased safety, Greater cost-effectiveness.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF3-726R
The product you are viewing cross references to these numbers
- Porsche 9YA Cayenne V6 3.0L Petrol 340Hp 2018-23
- Porsche 9YA Cayenne Coupe V6 3.0L Petrol 340Hp 2019-23
- Porsche 9YA Cayenne S V6 2.9L Petrol 440Hp 2018-23
- Porsche 9YA Cayenne Coupe S V6 2.9L Petrol 440Hp 2019-23
- Porsche 9YA Cayenne Turbo V8 4.0L Petrol 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol 550Hp 2019-23
OEM Part Number: 4G0399153
OEM Part Number: 4M0399153
OEM Part Number: PAB399153
Fits:
Porsche 9YA Cayenne 2018>> PETROL
Click 'Zoom in' for large parts diagram.
Fits to no 3 on diagram.
POWERFLEX Black Series bushes are manufactured using our Black 95 Shore A compound to provide maximum control of chassis geometry.
They are designed for the Track, ready to Race and are engineered to be the best.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF3-726BLK
The product you are viewing cross references to these numbers
- Porsche 9YA Cayenne V6 3.0L Petrol 340Hp 2018-23
- Porsche 9YA Cayenne Coupe V6 3.0L Petrol 340Hp 2019-23
- Porsche 9YA Cayenne S V6 2.9L Petrol 440Hp 2018-23
- Porsche 9YA Cayenne Coupe S V6 2.9L Petrol 440Hp 2019-23
- Porsche 9YA Cayenne Turbo V8 4.0L Petrol 550Hp 2020-23
- Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol 550Hp 2019-23
Sold Individually

OEM Part Number: 7P5802820A
Fits:
Porsche 958 Cayenne - 2010 to 2017
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PF57-564
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid 380HP 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel 382HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
Sold Individually

OEM Part Number: 95B802829B / 95B802830B
OEM Part Number: 95B802847A / 95B802848A
OEM Part Number: 95B802845A / 95B802846A
Fits:
Porsche 95B Macan 2014 >>
- Porsche 95B.1 Macan Petrol 2.0L 237Bhp 2014-18
- Porsche 95B.1 Macan S Petrol 3.0L V6 340Bhp 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 258Bhp 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 360Bhp 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 400Bhp 2014-18
- Porsche 95B.2 Macan Petrol 2.0L 245Bhp 2019-21
- Porsche 95B.2 Macan S Petrol 3.0L V6 354Bhp 2019-21
- Porsche 95B.2 Macan GTS Petrol 2.9L V6 380Bhp 2019-21
- Porsche 95B.2 Macan Turbo 2.9L V6 440Bhp 2019-21
- Porsche 95B.3 Macan Petrol 2.0L 265Bhp 2022>>
- Porsche 95B.3 Macan T Petrol 2.0L 265Bhp 2022>>
- Porsche 95B.3 Macan S Petrol 2.9L V6 380Bhp 2022>>
- Porsche 95B.3 Macan GTS Petrol 2.9L V6 440Bhp 2022>>
OEM Parn Number 91133352100

Fits:
Porsche 911 - 1965 to 1977
Porsche 912 - 1965 to 1969
*** the metal bush is internal 12 mm. for 911 models >> - MY 1971
With many classic cars getting hold of original parts is becoming increasingly difficult with supply dwindling or worse, parts being discontinued altogether.
The factory KONI rear shock absorbers are no exception. The rubber mounting bushes wear and perish, leading to vague handling or unwelcome knocks and clunks so we have added these Rear Shock Lower Bushes to the range.
Made in our classic Grey 95A durometer material to retain that OE look, our bushes help to restore handling feel, with longevity backed by our Lifetime Warranty. They are also the perfect accompaniment to our PFR57-413 Rear Shock Upper Mounting Bush.
Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-1414
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 1975-1977 3.0L Turbo (930)
- Porsche 912E 4CYL 1976
SET OF TWO
Fits to OE Part Numbers: 99733306100 / 99733306101 / 99733306102 / 99733306103

Fits:
Porsche 997 GT2, GT3, GT3RS
Porsche 997 inc. Turbo
Fits to No. 2 on the diagram.
Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.
Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.
If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.
Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-830BLK
The product you are viewing cross references to these numbers
- 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
SET OF TWO
Fits to OE Part Numbers: 99733306100 / 99733306101 / 99733306102 / 99733306103

Fits:
Porsche 997 GT2, GT3, GT3RS
Porsche 997 inc. Turbo
Fits to No. 2 on the diagram.
Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-830
The product you are viewing cross references to these numbers
- 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
Sold as a pair (both arms)
OEM Part Number: 996341053 / 996341941 / 997341041
OEM Part Number: 997341042 / 997341041
OEM Part Number: 997331053
Fits:
Fits the front of all 996 and Boxster 986 models, and the front of the 997 GT2, GT3 & GT3RS models only, all other models of 997 models use PFF57-802G.
Diagram ref no 2
Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.
Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.
If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF57-502GBLK
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 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII GT3 2010-11
Sold as a pair (both arms)

OEM Part Number: 996341053 / 996341941 / 997341041
OEM Part Number: 997341042 / 997341041
OEM Part Number: 997331053
Fits:
Fits the front of all 996 and Boxster 986 models, and the front of the 997 GT2, GT3 & GT3RS models only, all other models of 997 models use PFF57-802G.
Diagram ref no 2
Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF57-502G
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 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII GT3 2010-11

OEM Part Number: 2H0 422 405
OEM Part Number: 7L0 422 405
Fits:
Cayenne Mk1 (955) 2003-2006
Cayenne Mk2 (957) 2007-2010
Diagram ref no 6
Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF85-1606
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

PFR57-821BLK fits all models from 2009 onwards. For any models before this, please use PFR57-521BLK.
OEM Part Number: 9A137502322
OEM Part Number: 9A137504601
Fits:
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2014-2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.
Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.
If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.
Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-821BLK
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- 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

PFR57-821 fits all models from 2009 onwards. For any models before this, please use PFR57-521.
OEM Part Number: 9A137502322
OEM Part Number: 9A137504601
Fits:
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2014-2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-821
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- 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

PFR57-820BLK fits all models from 2009 onwards. For any models before this, please use PFR57-520BLK.
OEM Part Number: 9A137504601
OEM Part Number: 9A137502322
Fits:
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2014-2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
Powerflex Black Series- Designed for the Track - Ready to Race - Engineered to be the best.
Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.
If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.
Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:
- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFR57-820BLK
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- 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