Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Kits
Design911 offers an extensive selection of package deals for
Porsche parts, providing an ideal solution for Porsche enthusiasts looking to
upgrade, maintain, or personalize their vehicles. These packages are
thoughtfully curated to include complementary components, ensuring
compatibility and cost-effectiveness.
SET OF 4 for FRONT & REAR
Fits:
Porsche 996 3.4L Carrera 4 / 3.6L Carrera 4 / 3.6L Carrera 4S
Porsche 996 3.6L Turbo / 3.6L Turbo S
The shock absorber for those drivers who prefer a sports suspension but are not particularly interested in lowering the body. Also available in special design complete with reservoir for off-road vehicles.
No risk, more fun
For some people it's important to show what they have, for others it's sufficient to know that they have it. The theme of the discussion here is the sports suspension. The BILSTEIN B8 Sports shock absorber is the ideal solution for drivers revelling in the understatement . The wolf in sheep's clothing snarls, when necessary, but otherwise goes reliably about its work in daily traffic with no lowering of the body whatsoever.
Optimum road holding, enhanced tracking stabilisation and excellent damping force: the BILSTEIN B8 Sports is not only first choice as far as sports tuning is concerned but also in the sphere of safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BILSTEIN9964B8
The product you are viewing cross references to these numbers
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
SET OF 4 for FRONT & REAR
The shock absorber for those drivers who prefer a sports suspension but are not particularly interested in lowering the body. Also available in special design complete with reservoir for off-road vehicles.
No risk, more fun
For some people it's important to show what they have, for others it's sufficient to know that they have it. The theme of the discussion here is the sports suspension. The BILSTEIN B6 Sports shock absorber is the ideal solution for drivers revelling in the understatement . The wolf in sheep's clothing snarls, when necessary, but otherwise goes reliably about its work in daily traffic with no lowering of the body whatsoever.
Optimum road holding, enhanced tracking stabilisation and excellent damping force: the BILSTEIN B6 Sports is not only first choice as far as sports tuning is concerned but also in the sphere of safety.
Fits:
Porsche 996 3.4L Carrera 4
Porsche 996 3.6L Carrera 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BILSTEIN9964B6
The product you are viewing cross references to these numbers
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C4 3.6L 09/01-2005
SET OF 4 for FRONT & REAR
The shock absorber for those drivers who prefer a sports suspension but are not particularly interested in lowering the body. Also available in special design complete with reservoir for off-road vehicles.
No risk, more fun
For some people it's important to show what they have, for others it's sufficient to know that they have it. The theme of the discussion here is the sports suspension. The BILSTEIN B6 Sports shock absorber is the ideal solution for drivers reveling in the understatement . The wolf in sheep's clothing snarls, when necessary, but otherwise goes reliably about its work in daily traffic with no lowering of the body whatsoever.
Optimum road holding, enhanced tracking stabilisation and excellent damping force: the BILSTEIN B6 Sports is not only first choice as far as sports tuning is concerned but also in the sphere of safety.
Fits:
Porsche 996 3.4L Carrera / 3.6L Carrera / 3.6L Carrera S
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BILSTEIN9962B6
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
Kits Contains:
1 x Left Grill
1 x Right Grill
1 x Centre Grill
1 x Left Indicator
1 x Right Indicator
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SPOILERKIT25
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09

By harnessing the power of Iridium, DENSO is suddenly able to shrink the surface area of the center electrode - the critical component of a spark plug. Unlike a typical platinum plug that has a 1.1mm diameter center electrode, DENSO Iridium Power plugs have the world's smallest center electrode measuring 0.4mm in diameter. This means that the voltage requirements are decreased while firing performance is greatly improved.
PACK OF 8
Fits:
Porsche 955 Cayenne S 4.5L 09/2002>> (kW 250 Engine M48.00)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9991700IK20
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
Vehicle maintenance kit contains:
1 X 93010776401 Oil filter
1 X 92811014705 Fuel filter
1 X 91111018502 Filter element
1 X 93011340100 Filter cartridge
2 X 90012311830 Seal ring
6 X 99917016290 Spark plugs
Fits:
Porsche 911 1981-83 204Bhp
OEM products
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SERVICEPACK911
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
Vehicle maintenance kit contains:
1 X 93010776401 Oil filter
1 X 93011007600 Fuel filter
1 X 91111018502 Filter element
1 X 93011340100 Filter cartridge
2 X 90012311830 Seal ring
6 X 99917016290 Spark plugs
Fits:
Porsche 911 1978-80 180Bhp
OEM products
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SERVICEPACK911
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
Spark Plugs WR5DC+
PACK OF 6
Fits:
Porsche 911T 1968-69 2.0L
Porsche 911T 1970-71 2.2L
Porsche 911T 1972-74 2.4L
Porsche 911L 1968 2.0L
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917001790
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)
Spark Plugs Z38
Fits:
Porsche 911E 1968 2.0L
Porsche 911E 1970-71 2.2L
Porsche 911E 1972-73 2.4L
Porsche 911S 1968 2.0L
Porsche 911S 1970-71 2.2L
Porsche 911S 1972-73 2.4L
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917016290
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)

PACK OF 6
Fits:
Porsche 964 C2/C4
Porsche 993 C2/C4 C2S/C4S
Porsche 964RS M64.03
Porsche 993RS M64.20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917018390
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 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

DesignTek Valvetronic sports exhaust system gives smooth high torque feel to the wheels with the valves opened, +8HP/10 ft-lbs of torque to the wheels with the valves closed. Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fiber and stainless steel wool packed free flow mufflers.
Valvetronic
High-Performance Rear Exhaust with sound switch:
● Push the sound-button between:
Switch closed: Deep Sports Turbo Sound
Switch opened: Perfect Racing Sports Sound
DesignTek X-Pipe (primary muffler bypass) deletes the stock primary muffler and saves 6.4 lbs. from the rear of the vehicle. With a fast air flow the X-pipe increases BHP and Toque.
Made from high quality T304 14-16 gauge stainless steel, C.N.C. mandrel bent. The X-Pipe (primary muffler bypass) gives a great exotic car sound and power by about 5 decibels.
NOTE: Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT23
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

DesignTek Valvetronic sports exhaust system gives smooth and high torque feel to the wheels with the valves opened, Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fibre and stainless steel wool packed free flow mufflers. If you have a factory Porsche PSE (Porsche sport exhaust) this system can replace the original exhaust boxes, you will be able to use the original switches in your car
NOTE: Sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001 in the United Kingdom. They are not MOT compliant and must not be used on public roads. These components are intended for race and track use only. If you are located outside the UK, please consult your local laws and regulations to ensure compliance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT29
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

DesignTek Valvetronic sports exhaust system. Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fiber and stainless steel wool packed free flow mufflers.
DesignTek sports racing catalytic converters give a HORSEPOWER and TORQUE gain to all 996 cars. High Quality T304 SS C.N.C. mandrel bent tubing for maximum exhaust flow.
The X-Pipe design has increased deeper sound with increased BHP. German imported 200 cell high-flow sport catalytic converters for reduced back pressure and less restriction.
PLEASE NOTE THESE CATS MAY REQUIRE A REMAP TO ENSURE NO DASHBOARD LIGHTS - Please contact us regarding this!
NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.
For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.
If you are located outside the UK, please check your local laws and regulations to ensure compliance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
EXHAUSTKIT28
The product you are viewing cross references to these numbers
- 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

Upgrade your 997 Gen1 or 997 Gen2 to the C4S Look with our replacement boot lid and red strip reflector
Includes:
1 x Boot Lid
1 x Red Reflector
6 x Grommets
2 x Fixings
1 x Rubber seal
Fits:
Porsche Standard 997
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SPOILERKIT45
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 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

Built on DENSO's advanced iridium-rhodium technology and the company's decades of leadership in ignition research and development as well, DENSO Iridium Racing® plugs are components of championship caliber. Using the same basic 0.4mm center electrode configuration as DENSO's Iridium Power® plug - it's simply the best available - DENSO's motorsports plug is further enhanced with a 0.8mm ground electrode of 100 percent platinum, special insulator material with 20 percent greater strength than conventional plugs, and other valuable features for hard-core race applications. Surface-gap, recessed, and ultra-compact 8mm plugs are available for a wide range of specialized racing engines. But unlike many suppliers, DENSO doesn't offer its best stuff only to a favored few in the racing world. DENSO Iridium Racing® plugs are available to anyone, right over the counter at distributors and retailers everywhere.
Features:
0.4mm iridium center electrode, the slimmest in the industry
Patented self-cleaning insulator/electrode design
Durable, reusable packaging protects spark plugs when not in use
Benefits:
Handles extreme compression and boost levels
Ultimate performance and durability
Maximizes track time, minimizes downtime
PACK OF 6
Fits:
Porsche 996 Carrera / 4 3.4L 06/1997>> (kW 221-235; Engine M 96.01)
Porsche Boxster 986 2.5L i 24V 1996>> (kW 150; Engine M 96.20)
Porsche Boxster 986 2.7L i 24V 08/1999>> (kW 162-168; Engine M 96.22)
Porsche Boxster S 986 3.2L i 24V 08/1999>> (kW 185-196; Engine M 96.21)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9991700IK20TT
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 955 Cayenne S 4.5L V8 2003-06

Built on DENSO's advanced iridium-rhodium technology and the company's decades of leadership in ignition research and development as well, DENSO Iridium Racing® plugs are components of championship caliber. Using the same basic 0.4mm center electrode configuration as DENSO's Iridium Power® plug - it's simply the best available - DENSO's motorsports plug is further enhanced with a 0.8mm ground electrode of 100 percent platinum, special insulator material with 20 percent greater strength than conventional plugs, and other valuable features for hard-core race applications. Surface-gap, recessed, and ultra-compact 8mm plugs are available for a wide range of specialized racing engines. But unlike many suppliers, DENSO doesn't offer its best stuff only to a favored few in the racing world. DENSO Iridium Racing® plugs are available to anyone, right over the counter at distributors and retailers everywhere.
Features:
0.4mm iridium center electrode, the slimmest in the industry
Patented self-cleaning insulator/electrode design
Durable, reusable packaging protects spark plugs when not in use
Benefits:
Handles extreme compression and boost levels
Ultimate performance and durability
Maximizes track time, minimizes downtime
PACK OF 6
Fits:
Porsche 964 C2 / C4 3.6L 12/1988-09/1993 (kW 184; Engine 64.02 / 64.01)
Porsche 964 Carrera RS 3.6L 08/1991-09/1993 (kW 191; Engine 64.03)
Porsche 993 C2 3.6L 08/1993-08/1997 (kW 200; Engine M 64.05 / 06)
Porsche 993 C4 / Targa 3.6L 08/1995-08/1997 (kW 210; Engine M 64.21 / M 64.22)
Porsche 993 C4 3.8L 08/1995-08/1997 (kW 210; Engine M 64.05 S / M 64.06 S)
Porsche 993 C4 / RS / Targa 3.8L 08/1995-08/1997 (kW 221; Engine 64.2)
Porsche 993 Turbo 3.6L 02/1993-08/1997 (kW 265; Engine 64.5)
Porsche 996 Turbo 3.6L 06/2000>> (kW 309; Engine M 96.7)
Porsche 993 GT2 3.6L 04/2001>> (kW 340)
Porsche 997 C2 / C4 3.6L 07/2004>> (kW 239; Engine M 96.05)
Porsche 997 C2 / C4 3.8L 07/2004>> (kW 261; Engine M 97.01)
Porsche 987C Cayman 2.7L 07/2006>> (kW 180)
Porsche 987C Cayman S 3.4L 11/2005>> (kW 217)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9991700VK22
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) TURBO 1994-96
- 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 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08