MSPORT AS DEFLECTION PULLEY Genuine Porsche part 9961150159A

Genuine Porsche Pulley & Drive Belt Kit – Manual Cars with Air Conditioning

Maintain factory-level reliability and performance with this Genuine Porsche Pulley & Drive Belt Kit for manual Porsche 996 turbo, 996 GT2, and 997.1 turbo manual models equipped with air conditioning.

Using Genuine Porsche components throughout, this comprehensive maintenance kit is designed to restore smooth auxiliary drive operation, maintain correct belt tension and alignment, and reduce the risk of pulley or drive belt-related failures on high-performance Mezger-powered Porsche models.

Fits:

• Porsche 996 TURBO 2000-05
• Porsche 996 GT2 2001-05
• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT2 2007-09

The auxiliary drive system on the legendary Porsche Mezger engine operates under extreme heat, sustained high RPM, and heavy mechanical loads. Over time, pulleys and drive belts can wear, leading to belt squeal, pulley bearing noise, belt slip, or reduced accessory efficiency.

Kit Contents:
1x Original Porsche Tensioner Element 
1x Original Porsche Drive Belt
1x Original Tensioner Pulley Incl. Nut, Bolt, & Dust Cap
1x Original Upper Idler Pulley, Cover & Bolt 
1x Original Lower Idler Pulley, Cover & Bolt

Replacing the pulley system and drive belt together using Genuine Porsche parts helps preserve OEM reliability, fitment, and long-term durability while maintaining the precise engineering standards expected from Porsche factory components.

Ideal for preventative maintenance, scheduled servicing, engine rebuilds, or resolving common issues such as noisy pulleys, worn bearings, or belt vibration, this kit is engineered to provide dependable operation for both road and performance-focused driving applications.

Perfect for Porsche enthusiasts, collectors, independent specialists, and workshops seeking OEM-quality servicing solutions for Mezger-engined Turbo and GT models.

Key Features

• Genuine Porsche pulley and drive belt kit
• Designed for manual Porsche 996 Turbo, 996 GT2, and 997.1 Turbo models
• Suitable for vehicles with air conditioning
• OEM Porsche components for factory-level reliability
• Helps restore correct belt alignment and operation
• Reduces risk of belt slip and pulley failure
• Helps eliminate pulley noise and belt squeal
• Supports reliable accessory drive performance
• Ideal for preventative maintenance servicing
• OEM fitment, quality, and durability
• Suitable for road and performance applications

Why Replace the Pulley & Drive Belt System?

The auxiliary drive system powers critical engine accessories and is constantly exposed to high temperatures, vibration, and heavy mechanical loads.

Worn pulleys or belts can lead to:
• Belt squeal or chirping noises
• Pulley bearing wear or failure
• Belt slip under load
• Premature drive belt wear
• Reduced accessory performance
• Potential auxiliary drive failure

Replacing the pulley system and drive belt together helps restore smooth operation and improve long-term reliability.

Genuine Porsche OEM Quality

Using Genuine Porsche parts helps maintain the original engineering integrity of your Mezger-powered Porsche.

Benefits of Genuine Porsche components include:
• Factory-correct fitment
• OEM durability and reliability
• Precise engineering tolerances
• Consistent performance
• Long-term service confidence

Ideal for owners maintaining factory originality and OEM servicing standards.

Designed for Mezger Turbo Engines

The Porsche Mezger engine found in the 996 Turbo, GT2, and 997.1 Turbo is one of Porsche’s most respected high-performance engines. Proper auxiliary drive maintenance is essential to preserve reliability and performance.

This kit helps support:
• Smooth auxiliary drive operation
• Reliable belt performance
• Reduced mechanical noise
• Proper pulley alignment
• Consistent accessory drive function

Perfect for road, fast road, and high-performance Porsche applications.

Preventative Maintenance Benefits

Replacing the pulley and drive belt system as part of scheduled maintenance can help reduce the risk of unexpected failures and costly repairs.

Benefits include:
• Improved long-term reliability
• Reduced servicing downtime
• Correct OEM component compatibility
• Smoother engine accessory operation
• Enhanced preventative maintenance planning

Ideal for Porsche specialists and owners maintaining high-performance Turbo models to factory standards.

Full Pulley & Belt Kit – Tensioner, Idlers & Drive Belt – Without Air Conditioning
This kit includes a replacement tensioner element, all three pulleys, a new drive belt, and is suitable for models without air-conditioning (option code 574).  

Maintain reliable auxiliary drive performance on your Porsche Mezger engine with this complete Full Pulley & Belt Kit for Porsche 996 GT3 and GT3 RS models without air conditioning from 1999 to 2005.

Fits:

• Porsche 996 GT3 MKI 1999-02
• Porsche 996 GT3 MKII 2003>>
• Porsche 996 GT3 RS 2003-04

Designed as a comprehensive preventative maintenance and service solution, this kit includes the essential tensioner, idler pulleys, and drive belt components required to restore smooth accessory drive operation, maintain correct belt tension, and reduce the risk of pulley or belt-related failures.

Kit Contents:
1x Original Porsche Tensioner Element 
1x Original Porsche Drive Belt
1x OE Match Tensioner Pulley Incl. Nut, Bolt, & Dust Cap
1x OE Match Upper Idler Pulley, Cover & Bolt 
1x OE Match Lower Idler Pulley, Cover & Bolt

The auxiliary drive system on the high-revving Porsche GT3 Mezger engine operates under constant thermal load, engine vibration, and sustained high RPM use. Over time, tensioners, idler pulleys, and drive belts can wear, leading to pulley noise, belt slip, bearing failure, or reduced accessory efficiency.

Replacing all related components together helps ensure long-term reliability while protecting critical engine-driven systems and maintaining proper auxiliary drive performance.

This complete service kit is ideal for routine maintenance, preventative servicing, engine rebuild projects, or resolving common issues such as belt squeal, noisy pulleys, or worn tensioner operation on Porsche 996 GT3 and GT3 RS models without air conditioning.

Engineered for precise fitment and dependable operation, this kit helps maintain smooth accessory drive performance for both road and track-focused Porsche applications.

Perfect for Porsche enthusiasts, independent specialists, and workshops maintaining Mezger-powered GT3 models.

Key Features

• Full pulley and drive belt service kit
• Designed for Porsche 996 GT3 and GT3 RS models without air conditioning
• Suitable for 1999-2005 vehicles
• Includes tensioner, idler pulleys, and drive belt
• Complete auxiliary drive system maintenance solution
• Helps restore correct belt tension and alignment
• Reduces risk of belt slip and pulley failure
• Helps eliminate belt squeal and pulley noise
• Supports reliable accessory drive operation
• OEM-style fitment and functionality
• Suitable for road and track-focused applications

Why Replace the Pulley & Belt System?

The auxiliary drive system powers critical engine accessories and is continuously exposed to heat, vibration, and high mechanical loads.

Worn pulleys, tensioners, or belts can cause:
• Belt squeal or chirping noises
• Inconsistent belt tension
• Pulley bearing noise
• Premature belt wear
• Reduced accessory performance
• Potential belt or pulley failure

Replacing all related components together helps restore smooth operation and improve long-term reliability.

Complete Preventative Maintenance Solution

This full pulley and belt kit provides a convenient all-in-one solution for servicing the auxiliary drive system on Porsche 996 GT3 and GT3 RS models.

Benefits include:
• Simplified servicing
• Correct component compatibility
• Reduced installation downtime
• Improved long-term reliability
• Professional workshop-level maintenance support

Ideal for preventative maintenance and performance-focused Porsche servicing.

Designed for the Porsche Mezger GT3 Engine

The legendary naturally aspirated Mezger engine found in the Porsche 996 GT3 and GT3 RS is engineered for sustained high-performance driving, making proper auxiliary drive maintenance essential for reliability and engine performance.

This kit helps support:
• Reliable accessory drive operation
• Consistent belt performance
• Smooth pulley function
• Reduced mechanical noise
• Proper belt alignment and tension control

Perfect for road, fast road, and track-focused GT3 applications.

OEM-Style Fitment & Reliability

Designed for precise fitment and dependable operation, this kit integrates with the factory auxiliary drive system to maintain correct belt routing and smooth operation.

Advantages include:
• OEM-style installation
• Reliable belt tracking
• Smooth pulley rotation
• Consistent tension control
• Reduced vibration and operating noise

Full Pulley & Belt Kit – Tensioner, Idlers & Drive Belt – With Air Conditioning
This kit includes a replacement tensioner element, all three pulleys, a new drive belt, and is suitable for models with air-conditioning (option code 573).  

Maintain reliable auxiliary drive performance on your Porsche Mezger engine with this complete Full Pulley & Belt Kit for Porsche 996 GT3 and GT3 RS models equipped with air conditioning from 1999 to 2005.

Fits:

• Porsche 996 GT3 MKI 1999-02
• Porsche 996 GT3 MKII 2003>>
• Porsche 996 GT3 RS 2003-04

Designed as a comprehensive preventative maintenance and service solution, this kit includes the essential tensioner, idler pulleys, and drive belt components required to restore smooth accessory drive operation, maintain correct belt tension, and reduce the risk of pulley or belt-related failures.

Kit Contents:
1x Original Porsche Tensioner Element 
1x Meyle Porsche Drive Belt
1x OE Match Tensioner Pulley Incl. Nut, Bolt, & Dust Cap
1x OE Match Upper Idler Pulley, Cover & Bolt 
1x OE Match Lower Idler Pulley, Cover & Bolt

The auxiliary drive system on the high-revving Porsche GT3 Mezger engine is continuously exposed to elevated temperatures, engine vibration, and sustained mechanical load. Over time, tensioners, idler pulleys, and drive belts can wear, leading to belt noise, bearing failure, belt slip, or reduced accessory efficiency.

Replacing all related components together helps ensure long-term reliability while protecting critical engine-driven systems and maintaining proper accessory drive performance.

This complete service kit is ideal for routine maintenance, engine refresh projects, preventative servicing, or resolving common symptoms such as belt squeal, noisy pulleys, or worn tensioner operation on Porsche 996 GT3 and GT3 RS models.

Engineered for precise fitment and dependable operation, this kit helps maintain smooth auxiliary drive performance for both road and track-focused Porsche applications.

Perfect for Porsche enthusiasts, independent specialists, and workshops maintaining Mezger-powered GT3 models.

Key Features

• Full pulley and drive belt service kit
• Designed for Porsche 996 GT3 and GT3 RS models with air conditioning
• Suitable for 1999-2005 vehicles
• Includes tensioner, idler pulleys, and drive belt
• Complete auxiliary drive system maintenance solution
• Helps restore correct belt tension and alignment
• Reduces risk of belt slip and pulley failure
• Helps eliminate belt squeal and pulley noise
• Supports reliable accessory drive operation
• OEM-style fitment and functionality
• Suitable for road and track-focused applications

Why Replace the Pulley & Belt System?

The auxiliary drive system powers critical engine accessories and is continuously exposed to heat, vibration, and mechanical load.

Worn pulleys, tensioners, or belts can cause:
• Belt squeal or chirping noises
• Inconsistent belt tension
• Pulley bearing noise
• Premature belt wear
• Reduced accessory performance
• Potential belt or pulley failure

Replacing all related components together helps restore smooth operation and improve long-term reliability.

Complete Preventative Maintenance Solution

This full pulley and belt kit provides a convenient all-in-one solution for servicing the auxiliary drive system on Porsche 996 GT3 and GT3 RS models.

Benefits include:
• Simplified servicing
• Correct component compatibility
• Reduced installation downtime
• Improved long-term reliability
• Professional workshop-level maintenance support

Ideal for preventative maintenance and performance-focused Porsche servicing.

Designed for the Porsche Mezger GT3 Engine

The legendary naturally aspirated Mezger engine found in the Porsche 996 GT3 and GT3 RS is engineered for sustained high-performance driving, making proper auxiliary drive maintenance essential for reliability and engine performance.

This kit helps support:
• Reliable accessory drive operation
• Consistent belt performance
• Smooth pulley function
• Reduced mechanical noise
• Proper belt alignment and tension control

Perfect for road, fast road, and track-focused GT3 applications.

Maintain reliable auxiliary drive performance on your Porsche Mezger engine with this complete Full Pulley & Belt Kit for Porsche 996 and 997.1 turbo and GT2 models equipped with air conditioning.

Fits:

• Porsche 996 TURBO 2000-05
• Porsche 996 GT2 2001-05
• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT2 2007-09

Designed as a comprehensive preventative maintenance and service solution, this kit includes the essential drive belt system components required to restore smooth accessory operation, maintain correct belt tension, and reduce the risk of pulley or belt-related failures.

Kit Contents:
1x Original Porsche Tensioner Element 
1x Meyle Porsche Drive Belt
1x OE Match Tensioner Pulley Incl. Nut, Bolt, & Dust Cap
1x OE Match Upper Idler Pulley, Cover & Bolt 
1x OE Match Lower Idler Pulley, Cover & Bolt

The auxiliary drive system on high-performance turbocharged Porsche engines operates under continuous heat, rotational load, and engine vibration. Over time, tensioners, idler pulleys, and drive belts can wear, leading to belt noise, pulley bearing failure, belt slip, or reduced accessory performance.

Replacing the tensioner, idler pulleys, and drive belt together helps ensure long-term reliability while protecting critical engine-driven systems.

This complete kit is ideal for routine servicing, preventative maintenance, engine refresh projects, or resolving common issues such as belt squeal, noisy pulleys, or worn tensioner operation on Porsche 996 / 997.1 turbo and GT2 models.

Engineered for precise fitment and dependable performance, the kit helps maintain smooth operation of the auxiliary drive system under both road and high-performance driving conditions.

Perfect for Porsche enthusiasts, independent specialists, and workshops maintaining Mezger-powered 996 / 997.1turbo and GT2 vehicles.

Key Features

• Full pulley and drive belt service kit
• Designed for Porsche 996 / 997.1 turbo and GT2 models with air conditioning
• Includes tensioner, idler pulleys, and drive belt
• Complete auxiliary drive system maintenance solution
• Helps restore correct belt tension and alignment
• Reduces risk of belt slip and pulley failure
• Helps eliminate belt squeal and pulley noise
• Supports reliable accessory drive operation
• OEM-style fitment and functionality
• Suitable for road and performance applications

Why Replace the Pulley & Belt System?

The auxiliary drive system powers critical engine accessories and is continuously exposed to high temperatures, vibration, and mechanical load.

Worn pulleys, tensioners, or belts can cause:
• Belt squeal or chirping noises
• Inconsistent belt tension
• Pulley bearing noise
• Premature belt wear
• Reduced accessory performance
• Potential belt or pulley failure

Replacing all related components together helps restore smooth operation and improve long-term reliability.

Complete Preventative Maintenance Solution

This full pulley and belt kit provides a convenient all-in-one solution for servicing the auxiliary drive system on Porsche 996 Turbo and GT2 models.

Benefits include:
• Simplified servicing
• Correct component compatibility
• Reduced installation downtime
• Improved long-term reliability
• Professional workshop-level maintenance support

Ideal for preventative maintenance and performance-focused Porsche servicing.

Designed for the Porsche Mezger Engine

The legendary Porsche Mezger engine found in the 996 Turbo and GT2 is engineered for high-performance operation, making proper auxiliary drive maintenance essential for long-term reliability.

This kit helps support:
• Reliable accessory drive operation
• Consistent belt performance
• Smooth pulley function
• Reduced mechanical noise
• Proper belt alignment and tension control

Perfect for road, fast road, and high-performance applications.