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Alternator belt. Porsche 95B Macan 2.0L › 06L903137A
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
- Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
- Porsche 95B.3 Macan Petrol 2.0L (265Bhp) 2022>>
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
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
The MEYLE drive belt is an OEM-quality auxiliary drive belt designed for Porsche 996 Turbo, 996 GT2, 997 Turbo, and selected 997 GT2 RS models equipped with factory air conditioning. Manufactured as a direct replacement for Porsche part number 99919237951, this high-quality Poly-V belt ensures efficient power transmission from the engine to essential auxiliary components, including the alternator, air conditioning compressor, and other belt-driven accessories.
Fits:
for cars with air conditioning
Porsche 996 Turbo 2000-2005 M96.70 Engine
Porsche 996 GT2 M96.70 Engine
Porsche 997 Turbo 2007-2009 3.6L M97.70 Engine
Porsche 997 GT2 RS 2011 M97.70 Engine
Diagram ref no 9
A premium MEYLE Poly-V auxiliary drive belt designed as a direct replacement for Porsche part number 99919237951 on vehicles equipped with factory air conditioning. Transfers engine power to the alternator, air conditioning compressor, and other auxiliary components, helping maintain reliable charging performance, climate control operation, and smooth engine accessory function.
Key Features & Benefits
• Premium MEYLE OEM-quality replacement
• Direct replacement for Porsche 99919237950 / 99919237951
• Designed for vehicles with factory air conditioning
• Durable EPDM rubber construction
• Reinforced tensile cords for extended service life
• Excellent resistance to heat, cracking, and stretching
• Quiet, efficient operation with OEM-quality fitment
Why Replacing the Drive Belt Matters
The auxiliary drive belt operates whenever the engine is running and is constantly exposed to heat, tension, and vibration. As it wears, it can crack, stretch, or slip, affecting battery charging, air conditioning performance, and other engine-driven accessories. Replacing the belt at the recommended service interval helps maintain reliable vehicle operation and reduces the risk of unexpected breakdowns.
When to Replace the Drive Belt
• Visible cracks, fraying, or glazing
• Squealing or chirping noises from the engine bay
• Signs of stretching or rib wear
• During major engine or accessory drive servicing
• If contaminated by oil or coolant
• At the manufacturer's recommended replacement interval
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919237951
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII GT2 RS 2011-13
The Genuine Porsche 99919237951 drive belt is an OE Poly-V / serpentine belt for selected Porsche 996 Turbo and 997 Turbo models with air conditioning. It drives the engine auxiliary components according to the A/C belt routing, helping maintain reliable charging, air-conditioning and accessory system operation. Ideal for routine service or replacing a cracked, noisy, slipping or worn original belt.
Fits:
Porsche 996 Turbo 2000-2005 M96.70 Engine
Porsche 996 GT2 M96.70 Engine
Porsche 997 Turbo 2007-2009 3.6L M97.70 Engine
Porsche 997 GT2 RS 2011 M97.70 Engine
Diagram ref no 9
This belt is specifically listed for Porsche 996 Turbo / 997 Turbo applications with air conditioning. It replaces earlier Porsche part number 99919237950.
What This Part Does / Functions
• Transfers drive from the engine pulley system to auxiliary components
• Supports operation of the alternator and other belt-driven accessories
• Works with the air-conditioning compressor drive layout on cars with A/C
• Helps maintain correct accessory belt routing and pulley engagement
• Supports reliable charging and auxiliary system operation
• Helps prevent belt slip, squeal and accessory-drive faults when correctly fitted
• Provides the correct OE Porsche belt profile, length and fitment
• Replaces a cracked, worn, stretched, glazed or noisy original belt.
Why Replace This Part?
The drive belt is a service wear item and is exposed to heat, tension, pulley contact and engine movement. Over time, it can crack, glaze, stretch, fray or lose grip on the pulleys. A worn belt may cause squealing, slipping, charging issues, air-conditioning faults or complete accessory-drive failure. Replacing it with a Genuine Porsche OE drive belt helps restore reliable accessory drive operation and ensures the correct belt specification is used for Turbo models with air conditioning.
When to Replace This Part
• f the belt is cracked, glazed, frayed or visibly worn
• If the belt squeals, slips or makes noise during engine operation
• If the belt has stretched or no longer runs correctly
• During scheduled service or preventative belt replacement
• When replacing the belt tensioner, idler pulleys, alternator or A/C compressor
• If the belt has been contaminated by oil, coolant or debris
• If charging or air-conditioning faults are linked to belt slip
• 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. It routes around the relevant pulleys, tensioner and driven components according to the factory air-conditioning belt layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919237951
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
The OE MATCH Drive Belt Deflection Roller is a high-quality replacement auxiliary drive belt component designed for Porsche 996 Turbo, 997 Turbo and GT3 models. Manufactured to provide OE-style fitment and reliable operation, this deflection roller helps guide the engine's auxiliary drive belt along its designated path, ensuring smooth and consistent operation of the belt-driven accessories.
Fits:- Porsche 996 Turbo
- Porsche 997 Turbo
- Porsche 996 GT3 1999-05
- Porsche 997 GT3 2007-11
Diagram Ref No 8
Also known as an idler pulley or guide roller, this component forms part of the engine's auxiliary belt drive system. It works alongside the drive belt and tensioner assembly to maintain correct belt alignment and routing during engine operation.
The roller incorporates a rotating pulley and bearing assembly designed to accommodate continuous engine operation, vibration and changing rotational speeds.
Over time, the original roller bearings can deteriorate due to age, heat, contamination and prolonged use, potentially resulting in excessive noise, poor belt tracking or complete bearing failure.
Ideal for replacing worn, noisy, seized or damaged original rollers, the OE MATCH Drive Belt Deflection Roller provides a practical replacement solution for routine servicing, preventative maintenance and engine repairs.
What This Product Does:The drive belt deflection roller guides the auxiliary drive belt around the engine's pulley system, helping maintain the correct belt routing and alignment.
Unlike the belt tensioner, which applies the necessary tension to the belt, the deflection roller primarily provides guidance and support to ensure the belt follows its intended path.
Its key functions include:
- Drive Belt Guidance: Directs the auxiliary drive belt along the correct route around the engine's pulley system.
- Belt Alignment: Helps maintain proper belt positioning and prevents unwanted lateral movement.
- Smooth Belt Operation: The integrated bearing allows the pulley to rotate freely as the drive belt moves across its surface.
- Auxiliary System Support: Contributes to reliable operation of the engine accessories driven by the auxiliary belt.
- Reduced Belt Vibration: Helps maintain stable belt tracking and minimise unwanted movement during engine operation.
- Reduced Operating Noise: A correctly functioning roller supports smooth, quiet belt movement.
- Belt Wear Prevention: Proper alignment helps reduce uneven belt wear, edge damage and premature deterioration.
- Consistent Belt Routing: Maintains the intended belt path as engine speed changes.
- OE-Style Fitment: Provides a replacement for the original guide roller without modification to the specified mounting arrangement.
Symptoms Of Wear Or Failure:
Over time, continuous rotation, engine heat, vibration and contamination can cause the bearings and pulley surfaces of the drive belt deflection roller to deteriorate.
Common signs include:
- Squealing or Chirping Noises: High-pitched noises from the auxiliary belt area may indicate worn bearings, poor belt alignment or excessive friction.
- Grinding or Rumbling Sounds: A deteriorating pulley bearing may produce grinding, rumbling or growling noises while the engine is running.
- Excessive Pulley Play: Side-to-side movement or looseness may indicate wear within the roller bearing.
- Rough Pulley Rotation: A worn bearing may feel rough, notchy or resistant when the pulley is rotated by hand with the belt removed.
- Seized or Sticking Roller: Bearing failure can prevent the pulley from rotating freely, potentially causing the drive belt to slide across a stationary surface.
- Visible Pulley Wobble: A damaged bearing or mounting arrangement may cause the roller to rotate unevenly.
- Uneven Drive Belt Wear: Incorrect tracking can cause excessive wear along the belt edges or running surface.
- Cracked or Damaged Pulley Surface: Physical damage or deterioration may affect smooth belt movement.
- Excessive Belt Vibration: An unstable pulley or incorrectly tensioned belt may produce visible belt movement during operation.
- Burning Rubber Smell: A seized roller can generate friction and heat, potentially damaging the drive belt.
- Drive Belt Slipping or Coming Off: Severe bearing failure or incorrect pulley alignment may cause the belt to move out of position.
- Auxiliary Drive Failure: If the roller seizes or the belt breaks, belt-driven accessories may stop operating.
Why Replacement Matters:
- Replacing a worn or damaged drive belt deflection roller is an important part of maintaining the reliability and correct operation of your Porsche's auxiliary drive belt system.
- The auxiliary drive belt operates continuously while the engine is running, transferring rotational power to essential belt-driven components. The deflection roller plays a critical role in guiding this belt and maintaining its correct path around the engine.
- As the roller bearing deteriorates, it may develop excessive play, resistance or noise. Continued operation with a worn roller can cause incorrect belt tracking, increased friction and premature belt wear.
- If the bearing becomes severely damaged or seizes completely, the belt may overheat, shred or break, potentially causing the sudden loss of belt-driven accessory operation.
- Depending on the engine configuration, auxiliary belt failure can affect important components such as the alternator and water pump. Loss of water pump operation may result in engine overheating, while alternator failure can lead to battery discharge and electrical system problems.
- A failed roller may also damage surrounding pulleys, tensioners or other components within the auxiliary drive system, potentially increasing repair costs.
- Installing a replacement OE MATCH deflection roller helps restore smooth pulley rotation, correct belt guidance and reliable auxiliary drive operation.
- Replacing worn rollers during scheduled belt maintenance is particularly beneficial because it allows associated components to be inspected and renewed before a more serious failure occurs.
- For high-performance Porsche Turbo and GT3 engines, maintaining the condition of the auxiliary drive system is especially important during demanding driving conditions and high engine speeds.
- The OE MATCH Drive Belt Deflection Roller 99611501576/1 offers an OE-style replacement solution designed to support dependable belt operation, reduce unwanted noise and help protect the engine's auxiliary drive components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611501576
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT2 2001-05
Porsche 996 GT3 M96.76 / 79 2000-2005
Porsche 997.1 Turbo M97.70 2007-2009
Porsche 997.2 Turbo M97.70 3.6L 2010-2011
Porsche 997 GT2 RS 3.6L
Porsche 997 GT3 M97.76 3.6L / M97.74 3.8L / M97.77 4.0L
Click 'Zoom in' for large parts diagram.
Diagram ref No 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611522172
The product you are viewing cross references to these numbers
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