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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://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Belts / Tensioners / Rollers

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DISPLAYING 1 to 12 (of 12 products)
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99919225550
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Air con belt. Porsche 911 Turbo


 porsche

Fits:
Porsche 911 Turbo 1984-89



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99919225550
99919225550

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99919225550/1
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Product Information
Air con belt. Width: 13,0 mm, Length: 1196,0 mm.

dayco

Fits:
Porsche 911 Turbo 1984-89

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99919225550
99919225550
13A1196C

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99919230550
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Product Information
Air con belt. SIZE: 12.5 x 1125.

porsche

Fits:
Porsche 911 Turbo 1978-83
Porsche 928 1978-89 *
*Cars upto 1989

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99919230550
99919230550

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99919230550/1
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Product Information
Air con belt. SIZE : 12.5 x 1125.

meyle

Fits:
Porsche 911 Turbo 1978-83
Porsche 928 1978-89 *
*Cars upto 1989

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99919230550
99919230550
052 013 1125

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Special Order item
99919217350
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Product Information
Air conditioning A/C compressor drive v-belt


porsche

Fits:
Porsche 911 Turbo 1978-83



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99919217350
99919217350

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99919217350/1
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Product Information
Air conditioning A/C compressor drive v-belt

dayco

Fits:
Porsche 911 Turbo 1978-83

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99919217350
99919217350
13A1196C

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99919217350/2
Product Information
Product Information
Air conditioning A/C compressor drive v-belt

Fits:
Porsche 911 Turbo 1978-83

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99919217350
99919217350

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9991921765A
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Alternator Belt, Narrow V-belt.
Belt size: 10 x 710

porsche

Fits:
Porsche 911 1965-73
Porsche 911 Turbo 1976 >>
Porsche 911 SC 1974-79 (Check Size of your Belt)
Porsche 911 SC 1980-83
Porsche 911 3.2L 1984-89
Porsche 914 1970-76

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9991921765A
99919217650
9991921765A

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9991921765A/1
Product Information
Product Information
Alternator belt, Narrow V-belt.
Belt size: 10 x 713 mm

oematch

Fits:
Porsche 911 1965-73
Porsche 911 Turbo 1976 >>
Porsche 911 SC 1974-79 (Check Size of your Belt)
Porsche 911 SC 1980-83
Porsche 911 3.2L 1984-89
Porsche 914 1970-76

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9991921765A
99919217650
9991921765A
520100715

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99919209750
Product Information
Product Information
Alternator belt. Belt size: 9.5 x 725.

porsche

Fits:
Porsche 911 Turbo/SC 1974-79 (Please choose by size)

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99919209750
99919209750

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99919209750/1
Product Information
Product Information
Alternator belt.
Width: 10 mm, Length: 725 mm

dayco

Fits:
Porsche 911 Turbo/SC 1974-79 (Please choose by size)

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99919209750
99919209750
052 010 0725

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90007437201
Product Information
Product Information
Hexagon head bolt M10 x 45 - Various applications

Sold each

Fits:
Porsche 356B / 356C - 1960 to 1965
Porsche 911 - 1978 to 1989
Porsche 924S - 1986 to 1988
Porsche 944 - 1985 to 1991
Porsche 968 - 1992 to 1995
Porsche 928 - 1978 to 1995 



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90007437201
90007437201

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DISPLAYING 1 to 12 (of 12 products)
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About Belts / Tensioners / Rollers

Engine Rebuild Belts, Tensioners & Rollers – Precision Timing for Reliable Porsche Performance

Engine rebuild belts, tensioners, and rollers are essential components in maintaining your Porsche’s precise engine timing and smooth operation. These parts work together to synchronise the camshaft and crankshaft, ensuring valves open and close at exactly the right time for optimal combustion. Over time, these components can wear or deteriorate, especially under high performance or extended use, making replacement vital during an engine rebuild or major service.

At Design911, we supply a full range of genuine and high-quality belts, tensioners, and rollers for various Porsche models including, 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each component is designed for strength, accuracy, and long-lasting reliability — ensuring your rebuilt Porsche engine performs flawlessly mile after mile.

What Do Engine Belts, Tensioners & Rollers Do?

These components form the heart of the engine’s timing and auxiliary systems. They:

  • Drive key engine components, including the camshaft, alternator, and water pump.
  • Maintain accurate timing for optimal combustion and efficiency.
  • Reduce friction and noise through smooth roller and tensioner operation.
  • Ensure consistent belt tension to prevent slippage or premature wear.

Together, they guarantee your Porsche’s engine runs smoothly, efficiently, and reliably — whether cruising or driving at peak performance.

Why Do Belts, Tensioners & Rollers Fail?

Exposure to high temperatures, vibration, and constant motion causes natural wear over time. Common causes of failure include:

  • Aging rubber belts becoming brittle or cracked.
  • Worn bearings in rollers or tensioners leading to noise or vibration.
  • Loss of tension causing belt slippage or timing misalignment.
  • Contamination from oil or coolant degrading materials.
  • Extended maintenance intervals leading to unexpected failure.

Symptoms of failing components include squealing noises, poor engine performance, rough idle, or even timing belt failure, which can cause severe engine damage if ignored.

Why Replace Belts, Tensioners & Rollers During an Engine Rebuild?

Replacing these components during an engine rebuild ensures long-term reliability and eliminates the risk of future timing-related failures. A fresh set of belts, rollers, and tensioners restores precision, efficiency, and performance — protecting your investment.

Benefits of replacement include:

  • Restored precise timing and smooth operation.
  • Reduced risk of catastrophic engine failure.
  • Enhanced reliability and longevity of the rebuild.
  • Quieter, more efficient engine performance.

All components available from Design911 are made using premium-grade materials, precision bearings, and advanced heat-resistant compounds, ensuring maximum durability and performance in high-stress Porsche engines.

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