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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram

Alloy Wheels 21"

DISPLAYING 1 to 5 (of 5 products)
Special Order item
9J1073663AA
Product Information
Product Information
21-inch Aero design summer wheel-and-tyre set. 
Aerodynamically optimised alloy wheels in 5-spoke design with racing look, painted in black (high-gloss).

porsche

Fits:

Porsche Taycan (MK2) 2024 Onwards
Porsche Taycan 4S (MK2) 2024 Onwards
Porsche Taycan Sport Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Sport Turismo (MK2) 2024 Onwards
Porsche Taycan 4 Cross Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo (MK2) 2024 Onwards
Porsche Taycan Turbo S (MK2) 2024 Onwards
Porsche Taycan Turbo Sport Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Sport Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Cross Turismo (MK2) 2024 Onwards

The distance tyres fitted have been optimised for city and long-haul driving and ensure an increased range through rolling and drag optimisation.

Front axle: 9.0 J x 21 RO 56 with tyres 245/40 R21 100 Y XL (distance tyres)
Rear axle: 11.0 J x 21 RO 59 with tyres 285/35 R21 105 Y XL (distance tyres)

Note: Not recommended for use on race circuits.



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Related, superseded, cross reference or alternative numbers for comparison.

9J1073663AA
9J1073663AA

The product you are viewing cross references to these numbers
Special Order item
9J1073603LB
Product Information
Product Information
21-inch Cross Turismo design winter wheel-and-tyre set, fully painted in black (high-gloss). 

Forged wheels in 5-spoke design with off-road look, fully painted in black (high-gloss).

porsche

Fits:

Porsche 
Taycan 4 Cross Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Cross Turismo (MK2) 2024 Onwards

Front axle: 9.5 J x 21 RO 60 with tyres 265/35 R21 103 V
Rear axle: 11.5 J x 21 RO 66 with tyres 305/30 R21 107 V

Note: Winter tyres for use in winter conditions. Not in conjunction with snow chains. The 19 and 20-inch winter tyres offer even better driving characteristics on Alpine terrain and for sporty driving on snow and ice compared to the 21-inch winter tyres.



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

9J1073603LB
9J1073603LB

The product you are viewing cross references to these numbers
Special Order item
9J1073603LA
Product Information
Product Information
21-inch Cross Turismo design winter wheel-and-tyre set, painted in black (high-gloss). 

Forged wheels in 5-spoke design with off-road look, painted in black (high-gloss) with bright-polished frontal surface.

porsche

Fits:

Porsche 
Taycan 4 Cross Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Cross Turismo (MK2) 2024 Onwards

Front axle: 9.5 J x 21 RO 60 with tyres 265/35 R21 103 V
Rear axle: 11.5 J x 21 RO 66 with tyres 305/30 R21 107 V

Note: Winter tyres for use in winter conditions. Not in conjunction with snow chains. The 19 and 20-inch winter tyres offer even better driving characteristics on Alpine terrain and for sporty driving on snow and ice compared to the 21-inch winter tyres.



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

9J1073603LA
9J1073603LA

The product you are viewing cross references to these numbers
Special Order item
9J1073663TA
Product Information
Product Information
21-inch Taycan exclusive design summer wheel-and-tyre set, painted in black (high-gloss) with Aeroblades Carbon. 

porsche

Fits:

Porsche Taycan (MK2) 2024 Onwards
Porsche Taycan 4S (MK2) 2024 Onwards
Porsche Taycan Sport Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Sport Turismo (MK2) 2024 Onwards
Porsche Taycan 4 Cross Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo (MK2) 2024 Onwards
Porsche Taycan Turbo S (MK2) 2024 Onwards
Porsche Taycan Turbo Sport Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Sport Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Cross Turismo (MK2) 2024 Onwards

Aerodynamically optimised light-alloy forged wheels in exclusive design. Painted in black (high-gloss) with Aeroblades Carbon.
The Aeroblades Carbon ensure a lower total weight.

Front axle: 9.5 J x 21 RO 60 with tyres 265/35 ZR21 101 Y XL
Rear axle: 11.5 J x 21 RO 66 with tyres 305/30 ZR21 104 Y XL



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

9J1073663TA
9J1073663TA

The product you are viewing cross references to these numbers
Special Order item
9J1073663TB
Product Information
Product Information
21-inch Taycan exclusive design summer wheel-and-tyre set, painted in black (high-gloss) with Aeroblades painted in blank (high-gloss).
Aerodynamically optimised light-alloy forged wheels in exclusive design. Painted in black (high-gloss) with Aeroblades painted in black (high-gloss).

porsche

Fits:

Porsche Taycan (MK2) 2024 Onwards
Porsche Taycan 4S (MK2) 2024 Onwards
Porsche Taycan Sport Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Sport Turismo (MK2) 2024 Onwards
Porsche Taycan 4 Cross Turismo (MK2) 2024 Onwards
Porsche Taycan 4S Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo (MK2) 2024 Onwards
Porsche Taycan Turbo S (MK2) 2024 Onwards
Porsche Taycan Turbo Sport Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Sport Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo Cross Turismo (MK2) 2024 Onwards
Porsche Taycan Turbo S Cross Turismo (MK2) 2024 Onwards

Front axle: 9.5 J x 21 RO 60 with tyres 265/35 ZR21 101 Y XL
Rear axle: 11.5 J x 21 RO 66 with tyres 305/30 ZR21 104 Y XL



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

9J1073663TB
9J1073663TB

The product you are viewing cross references to these numbers
DISPLAYING 1 to 5 (of 5 products)
About Alloy Wheels 21"

Alloy Wheels 21" – Premium Performance Alloy Wheels for Porsche

Alloy wheels 21" are premium performance wheels engineered to deliver maximum road presence, enhanced handling stability and increased brake clearance on modern Porsche models. Commonly fitted to high-performance and luxury Porsche platforms, 21" alloy wheels support wide, low-profile tyres and advanced braking systems while maintaining confident steering response and high-speed control.

Manufactured from high-quality aluminium alloys, these wheels offer an optimal balance of strength, reduced weight and effective heat dissipation compared to steel alternatives. At Design911, we supply a carefully curated range of 21" alloy wheels from leading performance manufacturers, designed to meet Porsche fitment standards and modern performance expectations.

What Do 21" Alloy Wheels Do?

Alloy wheels are designed to reduce unsprung weight while increasing rigidity and braking capability, directly enhancing vehicle dynamics. The 21" size delivers:

• Improved high-speed stability and steering precision
• Reduced unsprung mass for better suspension control
• Increased brake clearance for large performance braking systems
• Compatibility with wide, ultra-low-profile modern tyre options

Compared to smaller wheel sizes or steel wheels, 21" alloy wheels provide enhanced responsiveness, braking performance and a commanding visual stance.

Why Choose 21" Alloy Wheels?

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

• Lightweight aluminium construction for performance driving
• A large diameter suited to modern and high-output Porsche platforms
• Compatibility with high-performance tyres and advanced brake systems
• A wide range of premium, luxury and motorsport-inspired designs
• Exceptional road presence and contemporary styling

For many Porsche owners, 21" alloy wheels deliver the ultimate blend of performance capability, luxury appearance and modern Porsche aesthetics.

When Should You Fit or Replace 21" Alloy Wheels?

21" alloy wheels are ideal when:

• Upgrading a Porsche for maximum visual impact and performance
• Installing large brake systems requiring increased clearance
• Replacing worn or non-original wheels
• Enhancing both handling performance and modern vehicle aesthetics

Selecting the correct 21" alloy wheel helps preserve Porsche handling balance while unlocking improved grip, braking performance and stability.
At Design911, our alloy wheels meet strict standards for Porsche fitment accuracy, strength and durability.

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