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Porsche specialists based in the UK
Porsche 992 (911) MK1 2019-2024 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24 Gearbox / Transmission

Transmissions / Gearboxes

Transmissions / Gearboxes

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DISPLAYING 1 to 2 (of 2 products)
Gearbox MANUAL 6-Speed - GC495 - Porsche 992.1 S/T (RWD / 2WD) 2021 - 2024 - 0C4300047
1
Gearbox MANUAL 6-Speed - GC495 - Porsche 992.1 S/T (RWD / 2WD) 2021 - 2024
Special Order item
0C4300047
Product Information
Product Information
NEW Porsche 6-speed Manual gearbox GC495 for Rear-wheel-drive (RWD / 2WD) models

Applications / Fitment
Porsche 911 (992.1)  S/T 4.0L (RWD / 2WD) 2021 - 2024
 * Vehicles fitted with the GC495 6-speed Manual transmission

Required Porsche Equipment Codes
 * E0Y – S/T design.
 * G0W – 6-speed manual gearbox for rear-wheel drive.

Note: This is an S/T-specific gearbox application. Standard Porsche 992 GT3 manual models may use a different gearbox specification. Always confirm compatibility using the vehicle VIN, original gearbox code and Porsche parts catalogue before ordering.

Part Number / Specification
  • Porsche part number: 0C4300047
  • Gearbox code: GC495 
  • Transmission type: 6-speed manual
  • Drivetrain: Rear-wheel-drive (RWD / 2WD)
  • Condition: New

This original Porsche manual transmission is designed for the rear-wheel-drive 911 S/T, providing precise gear selection and direct mechanical power delivery from the naturally aspirated 4.0-litre flat-six engine to the rear wheels.

Developed for the S/T's lightweight, driver-focused drivetrain, this gearbox works with the model's specialised clutch and single-mass flywheel arrangement to deliver the engaging manual driving experience characteristic of Porsche's limited-production 911 S/T.

Ideal for replacing a damaged or faulty original transmission while maintaining factory gearbox specifications.


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Related, superseded, cross reference or alternative numbers for comparison.

0C4300047
0C4300047

The product you are viewing cross references to these numbers
Gearbox MANUAL 6-Speed - GC495 - Porsche 992.1 S/T (RWD / 2WD) 2021 - 2024 - 0C4300047
1
Gearbox MANUAL 6-Speed - GC495 - Porsche 992.1 S/T (RWD / 2WD) 2021 - 2024
0C4300047/1
Product Information
Product Information
NEW 6-speed Manual gearbox GC495 for Rear-wheel-drive (RWD / 2WD) models

Applications / Fitment
Porsche 911 (992.1)  S/T 4.0L (RWD / 2WD) 2021 - 2024
 * Vehicles fitted with the GC495 6-speed Manual transmission

Required Porsche Equipment Codes
 * E0Y – S/T design.
 * G0W – 6-speed manual gearbox for rear-wheel drive.

Note: This is an S/T-specific gearbox application. Standard Porsche 992 GT3 manual models may use a different gearbox specification. Always confirm compatibility using the vehicle VIN, original gearbox code and Porsche parts catalogue before ordering.

Part Number / Specification
  • Porsche part number: 0C4300047
  • Gearbox code: GC495 
  • Transmission type: 6-speed manual
  • Drivetrain: Rear-wheel-drive (RWD / 2WD)
  • Condition: New

This manual transmission is designed for the rear-wheel-drive 911 S/T, providing precise gear selection and direct mechanical power delivery from the naturally aspirated 4.0-litre flat-six engine to the rear wheels.

Developed for the S/T's lightweight, driver-focused drivetrain, this gearbox works with the model's specialised clutch and single-mass flywheel arrangement to deliver the engaging manual driving experience characteristic of Porsche's limited-production 911 S/T.

Ideal for replacing a damaged or faulty original transmission while maintaining factory gearbox specifications.


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

0C4300047
0C4300047

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
About Transmissions / Gearboxes

Design 911 offers a curated selection of used Porsche gearboxes and transmissions, with a strong focus on classic air-cooled models. Our stock typically includes 4-speed, 5-speed, and G50 gearboxes from iconic models such as the 911, 912, 930, 964, and 993, along with occasional units from later water-cooled cars.

Whether you're restoring a vintage 911, upgrading to a stronger transmission, or replacing a worn unit, our range includes many legendary configurations—including early 901 gearboxes, 915 units, and various G50 transmissions. These parts are ideal for period-correct restorations, resto-mods, and motorsport builds.

Each listing typically includes model compatibility, basic condition notes, and photos where available. As these are used parts, we encourage you to read each description carefully. 

If you're searching for a specific transmission code, model year, or application, our experienced team is here to help. Please don’t hesitate to get in touch!

Contact us:
📧 sales@design911.com
📞 +44 208 500 8811

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