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PULLEYKIT997GT3-1-AC
Product Information
Product Information

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 997.1 GT3 and GT3 RS models equipped with air conditioning from 2007 to 2009.

Fits:

  • Porsche 997 MK1 GT3 / GT3 RS 2007-09       

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 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, sustained high RPM, and intense mechanical stress. 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 accessory drive performance.

This complete service kit is ideal for routine maintenance, engine refresh projects, preventative servicing, or resolving common issues such as belt squeal, noisy pulleys, or worn tensioner operation on Porsche 997.1 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 997.1 GT3 and GT3 RS models with air conditioning
• Suitable for 2007-2009 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 997.1 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 997.1 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



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Related, superseded, cross reference or alternative numbers for comparison.

PULLEYKIT997GT3-1-AC
99610236550
99611501670
99611501672
99907204109
99907203901
99907205901
90006711703
90006711705
99611501571
99611501576
99610212552
99610212553
99611522171
99611522172
90037820009
90037831301
90007406302
90038512001
90007438001
99610215193

The product you are viewing cross references to these numbers