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Design911 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.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram

Belts / Tensioners / Rollers

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DISPLAYING 1 to 4 (of 4 products)
Special Order item
06L903137A
Product Information
Product Information
Alternator belt
OE Match alternator belt for Porsche 95B Macan 2.0L models. It drives the alternator, supports correct battery charging and helps maintain reliable electrical system operation. Ideal for replacing a cracked, noisy, slipping or worn alternator belt during routine service or auxiliary belt system repair.

Fits:
Porsche 95B Macan 2.0L 2015 Onwards

Diagram ref no 12

This original Porsche Poly-V drive belt forms part of the engine accessory belt system and helps drive key auxiliary components such as the alternator and air conditioning compressor.

What This Part Does / Functions
•  Drives the alternator from the engine pulley system
•  Helps keep the battery charged while the engine is running
•  Supports the vehicle’s electrical system by maintaining alternator operation
•  Also works within the auxiliary belt routing for related driven components, such as the A/C compressor where applicable
•  Helps maintain correct operation of the accessory drive system
•  Provides factory-correct belt fitment and rib profile
•  Replaces a worn, cracked, stretched, glazed or noisy drive belt
•  Maintains OE Porsche belt-drive reliability and performance.

Why Replace This Part?
 The alternator belt is a normal service item and wears over time due to heat, pulley contact, tension and engine operation. A worn or ageing belt can crack, glaze, stretch, fray or begin to slip, which may cause squealing noises, charging issues, poor accessory drive performance or warning lights. Replacing the belt with a Genuine Porsche OE alternator belt helps restore correct belt drive operation, supports reliable charging performance and reduces the risk of belt failure while driving.

When to Replace This Part
•   If the belt is cracked, glazed, frayed or visibly worn
•   If the belt squeals, slips or makes noise on start-up or under load
•   If the battery or charging warning light appears
•   During alternator, tensioner, idler pulley or A/C compressor service
•   During scheduled maintenance or preventative belt replacement
•   If the belt has become stretched and cannot be tensioned correctly
•   If the belt has been contaminated by oil, coolant or debris
•   When restoring the engine bay with correct OE Porsche service parts.

Where It Fits on the Car
This belt fits on the front engine accessory drive system of the Porsche Macan 2.0L engine. It runs around the relevant pulleys to drive the alternator and other auxiliary components according to the factory belt routing. Porsche dealer listings describe the routing as including the crankshaft pulley, tensioner, alternator and compressor for listed Macan 2.0L applications.

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

06L903137A
06L903137A
6PK1130

The product you are viewing cross references to these numbers
06L903137A/1
Product Information
Product Information
Alternator belt
The Gates alternator belt (6PK1130) is an OEM-quality multi-rib auxiliary drive belt designed for Porsche 95B Macan 2.0L models. Engineered as a direct replacement for Porsche part number 06L903137A, this belt provides efficient power transfer from the engine to the alternator, ensuring reliable battery charging and consistent operation of the vehicle's auxiliary systems.

Fits:
Porsche 95B Macan 2.0L 2015 Onwards

Diagram ref no 12

A genuine Gates multi-rib alternator belt (6PK1130), manufactured as a direct replacement for Porsche part number 06L903137A.

What This Part Does
Drives the alternator via the engine's auxiliary belt system, ensuring continuous battery charging and reliable operation of the vehicle's electrical systems while maintaining smooth, efficient power transmission.

Key Features & Benefits
•  Premium Gates OEM-quality drive belt
•  Direct replacement for Porsche 06L903137A
•  6PK1130 multi-rib design
•  High-strength EPDM construction for extended service life
•  Excellent resistance to heat, cracking, and stretching
•  Quiet, reliable operation with precise fitment
•  Ideal for routine maintenance and belt replacement

Why Replacing the Alternator Belt Matters
The alternator belt operates continuously whenever the engine is running and is exposed to constant heat, tension, and vibration. As it ages, it can become worn, cracked, or stretched, reducing charging efficiency and increasing the risk of unexpected belt failure. Replacing the belt at the recommended service interval helps maintain reliable charging performance and prevents unnecessary strain on the auxiliary drive system.

When to Replace the Alternator Belt
  Visible cracks, fraying, or glazing on the belt
  Squealing noises from the auxiliary drive system
  Battery warning light illuminated
  Reduced charging performance
  During major engine or accessory drive servicing
  At the manufacturer's recommended replacement interval

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

06L903137A
06L903137A
6PK1130

The product you are viewing cross references to these numbers
06L903137A/2
Product Information
Product Information
Alternator belt
This OE Match alternator belt is a replacement engine drive belt for Porsche 95B Macan 2.0L models. This drive belt helps power the alternator and support reliable charging system operation.

Fits:
Porsche 95B Macan 2.0L 2015 Onwards

Diagram ref no 12

The alternator belt transfers rotational drive from the engine pulley to the alternator. This allows the alternator to generate electrical power for the vehicle and charge the battery while the engine is running. A correctly fitted and tensioned belt is essential for dependable electrical system operation.

Functions
• Replaces the alternator drive belt
• Drives the alternator from the engine pulley
 Supports correct battery charging
 Helps maintain electrical system performance
 Replaces cracked, glazed, stretched, frayed, or slipping belts
•  Supports reliable engine accessory drive operation
•  OE Match replacement for Porsche Macan charging system service.

Why Replace This Part?
Alternator belts wear over time due to heat, engine vibration, pulley contact, age, and tension changes. A worn belt can crack, glaze, stretch, fray, squeal, or slip on the pulleys. If the belt fails, the alternator may stop charging the battery, which can lead to warning lights, electrical faults, flat battery issues, or vehicle breakdown. Replacing the belt helps maintain dependable charging system operation.

When to Replace This Part
•   The alternator belt is cracked, glazed, frayed, loose, or worn
•   Belt squeal is heard during start-up or acceleration
•   The battery warning light appears
•   Charging system output is low or inconsistent
•   The alternator, pulleys, or tensioning components are being serviced
•   Preventative belt replacement is being carried out during maintenance
•   The vehicle is undergoing Porsche Macan engine bay service or repair.

Where it fits on the car
This belt fits on the alternator drive system on Porsche 95B Macan 2.0L models. It runs between the relevant engine pulley and alternator pulley according to the factory belt routing.

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

06L903137A
06L903137A
6PK1130

The product you are viewing cross references to these numbers
Special Order item
WHT001396A
Product Information
Product Information
Timing Chain Sprocket Thrust Washer. 

Fits:
Porsche 95B Macan 2.0L MKI 2014>>2018
Cars With Engine Codes:
CNC / CNCC / CYN / CYNA /CYNB / CYP / CYPA

Porsche 95B Macan 2.0L MKII / MKIII 2019>>

Diagram Ref No 20

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

WHT001396A
WHT001396A

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 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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