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Belts / Tensioners / Rollers
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
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
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
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
997.1 GT3 and GT3 RS models without air conditioning from 2007 to 2009.
Fits:
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, 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 without air conditioning.
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 without 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
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- 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 / GT2 2001>>2005
Porsche 997.1 Turbo / GT2 M97.70 MKI 2007>>2009
Porsche 997.2 Turbo / GT2 RS M97.70 MKII 2010>>2013
Porsche 996 GT3 M96.76 / M96.79 1999>>2005
Porsche 997.1 GT3 M97.76 MK1 2007>>2009
Porsche 997.2 GT3 M97.77 / M97.74 MKII 2010>>2011
Diagram Ref No 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611511270
The product you are viewing cross references to these numbers
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
Fits:
Vehicles Without Air Conditioning (PR 574)
Porsche 996 GT3 3.6L 1999-05
Porsche 996 GT3 RS 3.6L 2004
Porsche 997-1 GT3 3.6L 2007-09
Porsche 997-1 GT3 RS 3.6L 2007-08
Diagram ref. 9.
*PR 574 - No Air Conditioning
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610215192
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 MKII Turbo 2010-13
There are 2 on the vehicle. Please note: Shown price is for each.
Fits:
Porsche 996 Turbo
Porsche 997 Turbo
Porsche 996 GT3 1999-05
Porsche 997 GT3 2007-11
Diagram ref no 8
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 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
Fits:
Porsche 996 Turbo
Porsche 997 Turbo
Porsche 996 GT3 1999-05
Porsche 997 GT3 2007-11
Diagram ref No 8
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
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
Fits:
Porsche 996 GT3 1999-2005
Porsche 997 GT3 MKI 2006>>
Porsche 997 GT3 MKII 2009>>
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610215195
The product you are viewing cross references to these numbers
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
Fits:
Porsche 996 GT3 1999-2005
Porsche 997 GT3 MKI 2006>>
Porsche 997 GT3 MKII 2009>>
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610215195
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- 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 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Sold individually; x2 required per vehicle.
Fits:
Porsche 986 Boxster 1997-04
Porsche 987-1 Boxster 2005-08
Porsche 987-1 Cayman 2006-08
Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3 1999-05
Porsche 997-1 Carrera 2005-08
Porsche 997-1 Turbo 2007-09
Porsche 997 GT3 2007-11
Porsche 997-2 GT2 RS 2011
Diagram ref. 7.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610236550
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 - 2005
Porsche 996 GT3 2000 - 2005
Porsche 997 Turbo / GT2 2007 - 2009
Porsche 997 GT2 RS 2011
Porsche 997 GT3 2007 - 2011
Diagram ref no 20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610623871
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Sold individually.
Fits:
Porsche 987-1 Boxster 2005-08
Porsche 987-1 Cayman 2006-08
Porsche 996 Turbo 2001-05
Porsche 996 GT2 2001-05
Porsche 996 GT3 / RS 1999-05
Porsche 997-1 Carrera 2005-08
Porsche 997-1 Turbo 2007-09
Porsche 997-1 GT2 2008-09
Porsche 997 GT3 / RS 2007-11
Porsche 997-2 GT2 RS 2010-13
Diagram ref. 5.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90006711705
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
Fits:
Porsche 996 Turbo 2000-2005
Porsche 996 GT3-1 1999-2005
Porsche 997 Gen 1 Turbo 2007-2009
Porsche 997 Gen 2 Turbo 2010-2013
Porsche 997 GT3-2 2007-2011
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99614722371
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

Fits
Porsche 996 Turbo
Porsche 996 GT2
Porsche 996 GT3 MK1 and MK2
Porsche 996 GT3RS
Porsche 997 Gen 1 Turbo
Porsche 997 Gen 1 GT2
Porsche 997 Gen 1 GT3
Designed to slow down the power steering pump to prevent it from overheating in racing conditions, this pulley will quickly pay for itself by not just saving your pump, but also your weekend at the track.
The pulley is fully balanced and is a 16% reduction. Its weight has been optimized to be 1/2 that of any other under-drive pulley on the market today.
An additional benefit is increased power and torque across the entire RPM range.
A boss on the front of engine case will need to be cut down slightly to clear the smaller pulley size. Comes complete with the crank pulley and a new smaller belt
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BBIPULLEY9967
The product you are viewing cross references to these numbers
-
belt tensioner and belt drive 997 GT3 M97.76 2007-09 101-15
-
belt tensioner and belt drive 997 GT3 / GT3 RS M97.77 2010-11 and 997 GT3 RS 4.0 M97.74 2011 101-16
-
crankshaft 997 GT3 M97.76 2007-09 102-00
-
crankshaft 997 GT3 / GT3 RS M97.77 2010-11 and 997 GT3 RS 4.0 M97.74 2011 102-01
-
water pump, water pump housing 997 GT3 M97.76 2007-09 105-00
-
water pump, water pump housing 997 GT3 / GT3 RS M97.77 2010-11 and 997 GT3 RS 4.0 M97.74 2011 105-01
-
transmission suspension 997 GT3 G97.90 UPTO 2009 306-00
-
transmission suspension 997 GT3 / GT3 RS G97.90/92 2010 ONWARDS 306-01
-
power steering, power-steering pump and container 997 GT3 2007-11 403-03
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.