v-ribbed belt Genuine Porsche part 059903137AG

Alternator belt. 6PK 21.36mm x 2414mm.

Fits:
Porsche 95B Macan 3.0L DIESEL 2014-18

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Diagram ref no 14

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059903137AG

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V-ribbed drive belt for alternator, air-conditioning compressor, and alternator
The DAYCO V-ribbed drive belt (6PK2415) is an OEM-quality auxiliary drive belt designed for the Porsche 95B.1 Macan S Diesel 3.0L V6 (2014–2018). Manufactured as a direct replacement for Porsche part number 958903137, this multi-rib belt ensures efficient power transmission from the engine to key auxiliary components, including the alternator and air conditioning compressor, helping to maintain reliable vehicle performance.

Fits:
Porsche 95B.1 Macan 3.0L DIESEL 2014 - 2018

Diagram ref no 14

A genuine DAYCO V-ribbed auxiliary drive belt (6PK2415) manufactured as a direct replacement for Porsche part number 958903137.  Transfers engine power to the alternator and auxiliary drive components, ensuring reliable battery charging and efficient operation of the vehicle's electrical and air conditioning systems.

Key Features & Benefits
•  Genuine DAYCO OEM-quality drive belt
•  Direct replacement for Porsche 958903137
•   6PK2415 multi-rib design
•  High-strength EPDM construction for extended durability
•  Excellent resistance to heat, wear, and stretching
•  Smooth, quiet operation with precise fitment
•  Ideal for scheduled maintenance and belt replacement

Why Replacing the Drive Belt Matters
The auxiliary drive belt operates continuously whenever the engine is running. Over time it can become worn, cracked, glazed, or stretched, reducing efficiency and increasing the risk of belt failure. Replacing the belt at the recommended service interval helps maintain reliable charging performance and ensures the auxiliary systems continue to operate correctly.

When to Replace the Drive Belt
•  Visible cracks, fraying, or glazing
•  Squealing or chirping noises from the engine bay
•  Signs of belt stretching or excessive wear
•  During major engine or auxiliary drive servicing
•  If contaminated by oil or coolant
•  At the manufacturer's recommended service interval

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Related, superseded, cross reference or alternative numbers for comparison.

958903137

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Spacer for alternator support, For LHD (Left hand drive cars)
Sold each - 2 required per car

Fits:
LHD (Left hand drive cars)
Porsche 924 1976-79

Diagram ref no 2

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059903127A

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V-ribbed drive belt for alternator, air-conditioning compressor, and alternator
The Genuine Porsche 958903137 V-ribbed drive / alternator belt is an OE Poly-V belt for the Porsche 95B.1 Macan S Diesel 3.0L V6 2014–2018. It drives the alternator and related auxiliary components, helping maintain battery charging, air-conditioning operation and reliable accessory drive performance. Ideal for routine servicing or replacing a cracked, noisy, slipping or worn original belt.

Fits:
Porsche 95B-1 Macan S Diesel 3.0L  2014 - 2018

Diagram ref. 14.

This original Porsche Poly-V belt forms part of the engine accessory drive system and helps drive 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
•  Drives the air-conditioning compressor where included in the belt routing
•  Supports correct operation of the engine accessory drive system
•  Helps maintain reliable auxiliary component performance
•  Provides factory-correct belt fitment and rib profile
•  Replaces a worn, cracked, stretched, glazed or noisy drive belt.

Why Replace This Part?
The V-ribbed drive belt is a normal service wear item. Over time, heat, pulley contact, tension and engine operation can cause the belt to crack, glaze, stretch, fray or slip. A worn belt may cause squealing noises, poor charging performance, air-conditioning issues or accessory-drive warning symptoms. Replacing the belt with a Genuine Porsche OE drive belt helps restore reliable alternator and accessory drive operation, while maintaining the correct Porsche belt specification and fitment.

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
•   If air-conditioning performance is affected by belt slip
•   During scheduled service or preventative belt replacement
•   When replacing the alternator, belt tensioner, idler pulley or A/C compressor
•   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 engine accessory drive system of the Porsche Macan S Diesel. It runs around the relevant pulleys according to the factory belt routing and drives auxiliary components such as the alternator and air-conditioning compressor.

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

958903137

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V-ribbed drive belt for alternator, air-conditioning compressor, and alternator
OE Match V-ribbed drive / alternator belt for Porsche 95B.1 Macan S Diesel models from 2014 to 2018. This replacement belt helps drive the alternator and related engine auxiliary components, supporting reliable charging system and accessory drive operation.

Fits:
Porsche 95B-1 Macan S Diesel 2014 - 2018

Diagram ref. 14.

The V-ribbed drive belt transfers rotational power from the engine pulley to the alternator and associated auxiliary components. A correctly fitted and tensioned belt is essential for dependable alternator charging, smooth accessory operation, and overall engine service reliability.

Functions
•  Replaces the V-ribbed drive / alternator belt
•  Drives the alternator and related auxiliary components
•  Supports correct battery charging and electrical system operation
•  Helps maintain reliable engine accessory drive performance
•  Replaces cracked, glazed, stretched, frayed, noisy, or slipping belts
•  Suitable for scheduled maintenance and preventative belt replacement
•  OE Match replacement for Porsche Macan S Diesel engine service.

Why Replace This Part?
V-ribbed belts wear over time due to heat, vibration, pulley contact, age, tension changes, and engine bay conditions. A worn belt can crack, glaze, stretch, fray, squeal, slip, or fail completely. If the belt fails, the alternator and driven auxiliary systems may stop working correctly, which can lead to charging faults, warning lights, poor accessory operation, or vehicle breakdown. Replacing the belt helps restore dependable engine accessory drive performance.

When to Replace This Part
•   The belt is cracked, glazed, frayed, stretched, or worn
•   Belt squeal, chirping, or slipping is present
•   The battery warning light appears
•   Charging system output is low or inconsistent
•   The alternator, pulleys, tensioner, or related components are being serviced
•   Preventative belt replacement is being carried out during scheduled maintenance
•   The vehicle is undergoing Porsche Macan S Diesel engine service.

Where it fits on the car
This belt fits within the engine auxiliary drive / alternator belt system on Porsche 95B.1 Macan S Diesel models. It runs around the relevant pulleys according to the factory belt routing.

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

958903137

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