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Porsche > 996 (911) (1997-2005) > 996 TURBO 2000-05 > Wheels >

Alloy Wheels 18"

Alloy Wheels 18"

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18' Style 170 Fuchs Style Alloy Wheels 8.0J and 10.0J For Porsche Car - 17001808050, 17001810040, 91103811899
3
18" Style 170 Fuchs Style Alloy Wheels 8.0J and 10.0J For Porsche Car
WHEELS18170-1
Product Information
Product Information
SET OF 4 Wheels. Replica replacement Fuchs style wheels. BLACK CENTRE with MATT POLISHED outer rim.

FRONT 8.0J ET50
REAR 10.0J ET40
*please note some cars may require spacers

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

WHEELS18170-1
17001808050
17001810040
91103811899

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18' GT3 wheel Original Porsche for Porsche 996 - 99636213602, 99636214202
1
18" GT3 wheel Original Porsche for Porsche 996
Special Order item
99636213602::1
Product Information
Product Information
Original Porsche 18" GT3 wheel. PRICE IS EACH

Wheel dimensions (offset (ET) in mm):
Front: 8J x 18 ET 50
Rear: 11J x 18 ET 45

Fits:
Porsche 996 Carrera 4S / Cabriolet (2004 and 2005)
Porsche 996 Turbo / Cabriolet (2004 and 2005)
Porsche 996 Turbo S /Cabriolet (2004 and 2005)

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99636213602
99636213602
99636214202

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18' GT3 wheel Original Porsche for Porsche 996 - 99636213602, 99636214204
1
18" GT3 wheel Original Porsche for Porsche 996
Special Order item
9963621
Product Information
Product Information
Original Porsche 18" GT3 wheel. PRICE IS EACH

Wheel dimensions (offset (ET) in mm):
Front: 8J x 18 ET 50
Rear: 11J x 18 ET 63

Fits:
Porsche 996 Carrera 4S / Cabriolet (2004 and 2005)
Porsche 996 Turbo / Cabriolet (2004 and 2005)
Porsche 996 Turbo S /Cabriolet (2004 and 2005)
***ONLY in conjunction with 17-mm spacers

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9963621
99636213602
99636214204

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18' SportTechno wheel Original Porsche for Porsche 996 - 99636213651, 99636214251, 99636214252
1
18" SportTechno wheel Original Porsche for Porsche 996
Special Order item
9963621
Product Information
Product Information
Original Porsche 18" SportTechno wheel. PRICE IS EACH

Wheel dimensions (offset (ET) in mm):
Front: 8J x 18 ET 50
Rear: 11J x 18 ET 63

Fits:
Porsche 996 (2002 to 2005)

Note:
FRONT: On the 996 Carrera until 07/2001, it's necessary to rework the wheelhouse seams and obtain type approval.
FRONT & REAR: Only in conjunction with 17-mm spacers on the 996 Carrera 4S/Cabriolet, 996 Turbo/Cabriolet and 996 Turbo S/Cabriolet.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9963621
99636213651
99636214251
99636214252

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DISPLAYING 1 to 4 (of 27 products)
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About Alloy Wheels 18"

Alloy Wheels 18" – High-Performance Alloy Wheels for Porsche

Alloy wheels 18" are high-performance wheels designed to support modern tyre profiles, increased brake clearance and enhanced driving dynamics on Porsche models. Commonly fitted to later air-cooled and water-cooled Porsche platforms, 18" alloy wheels deliver a confident balance between performance capability and visual presence.

Manufactured from high-quality aluminium alloys, these wheels offer improved strength, reduced weight and efficient heat dissipation compared to steel wheels. At Design911, we supply a carefully curated range of 18" alloy wheels from trusted manufacturers, suitable for fast-road, performance-focused and modern Porsche builds.

What Do 18" Alloy Wheels Do?

Alloy wheels are engineered to reduce unsprung weight while improving structural rigidity, directly enhancing vehicle handling and braking performance. The 18" size delivers:

• Improved steering precision and high-speed stability
• Reduced unsprung mass for enhanced suspension control
• Increased brake clearance for modern performance braking systems
• Compatibility with wider, lower-profile tyre options

Compared to steel wheels, 18" alloy wheels improve heat dissipation and responsiveness, making them ideal for performance-driven applications.

Why Choose 18" Alloy Wheels?

18" alloy wheels are chosen by Porsche enthusiasts because they offer:

• Lightweight aluminium construction for improved driving dynamics
• A modern diameter suited to performance and handling upgrades
• Compatibility with advanced braking and suspension systems
• A wide selection of contemporary and heritage-inspired designs
• Enhanced stance and visual impact

For many Porsche owners, 18" alloy wheels provide the ideal foundation for modern performance upgrades while retaining everyday usability.

When Should You Fit or Replace 18" Alloy Wheels?

18" alloy wheels are ideal when:

• Upgrading a Porsche for fast-road or performance use
• Installing larger brake systems requiring increased clearance
• Replacing worn or outdated wheels
• Enhancing handling performance and vehicle aesthetics

Choosing the correct 18" alloy wheel helps preserve Porsche balance while unlocking modern grip, braking and stability.
At Design911, our alloy wheels meet strict standards for Porsche fitment accuracy, strength and durability.

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