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Camshaft Alignment Tool. Porsche 996 turbo / GT2 / 997.1 turbo / GT2 / 997.2 GT2 RS

C4017

Product Information

Camshaft Alignment Tool for Porsche – Precision 4-Cam Timing Locking System

This camshaft alignment tool is designed specifically for the four-cam 3.6-litre engines used in the Porsche 996 Turbo, 996 GT2, 997.1 Turbo, 997.1 GT2, and 997.2 GT2 RS. Engineered for absolute accuracy, it ensures all four camshafts remain precisely locked in their timed positions during timing chain replacement, camshaft servicing, cylinder-head work, or complete engine rebuilds.

Fits:

Porsche 996 TURBO 2000-05
Porsche 996 GT2 2001-05
Porsche 997 MK1 GT3 2007-09
Porsche 997 Mk1 Turbo 2010-13
Porsche 997 MK1 GT2 2007-09
Porsche 997 MKII GT2 RS 2011-13

Optimised for Porsche’s high-performance Turbo and GT2 engines—where timing precision is critical—this tool set allows for clean, safe, and repeatable alignment, mirroring the function of specialist tools listed under 9661, 9661/1, and 9401.

Whether used in a professional Porsche workshop or by an advanced engine builder, this tool is essential for maintaining the performance, reliability and timing integrity of these legendary Mezger-based engines.

What This Camshaft Alignment Tool Does

This tool set enables:

Precise positioning of all four camshafts on 3.6-litre Porsche turbo and GT2 engines
Secure locking of cams during chain replacement and timing setup
Accurate timing retention, preventing rotation or timing mismatch
Correct alignment during cam phaser and chain tensioner servicing
Professional-grade engine rebuilds with consistent timing accuracy
Simplified installation via two specialised wrenches and pre-tensioner tools

Accurate camshaft timing ensures optimal engine performance, combustion efficiency, and long-term reliability.

Tool Set Components

Two long camshaft wrenches (two thicknesses) for easy access and leverage
Two cam chain pre-tensioner tools, ensuring chain tension during timing setup
Locking fixtures for all four camshafts to maintain exact alignment

Designed for safe, efficient and repeatable timing chain replacement.

Compatible with engine types
M97/70S M97/70 M96/70S M96/70E

Why Timing Components Fail on Mezger-Based Porsche Engines

These high-performance engines are subjected to extreme loads, track usage, and high temperatures. Common failure points include:

Timing chain stretch affecting cam synchronisation
Worn cam chain guides causing slack and deviation
Tensioner wear leading to startup rattles or timing drift
Improper timing after previous repairs when incorrect tools were used
Heat cycling, causing expansion and contraction of timing components
Cam phaser wear, impacting valve timing accuracy

Symptoms often include: misfires, timing-related fault codes, loss of boost response, uneven idle, or unusual mechanical noise.

Why You Should Replace or Use This Camshaft Alignment Tool

A precision camshaft alignment tool ensures:

Perfect synchronisation of all four camshafts Safely maintained timing during chain replacement
Protection from costly piston-to-valve interference
Accurate VVT/cam phaser alignment
Reduced risk of engine damage during rebuilds
Professional-standard timing result
Confidence when working on high-value Porsche Turbo and GT2 engines

This tool is essential for anyone servicing or rebuilding Mezger-engined 911 models.

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

C4017

9661

9401

9653

The product you are viewing cross references to these numbers

3 3 3

Rear Main Seal - Crankshaft Oil Seal (85x105x11) - for Porsche 986 / 987 / 981 / 718 / 996 / 997 / 991 / 992 / 955 / 958 / 970 / 95B-1

0PB105249

Product Information

Rear main seal (crankshaft oil seal) - 85 x 105 x 11.

Fits:
Porsche 986 Boxster 2.5L 1997-99
Porsche 986 Boxster 2.7L 2000-04
Porsche 986 Boxster S 3.2L 2000-04

Porsche 987-1 Boxster 2.7L 2005-08
Porsche 987-1 Boxster S 3.4L 2005-08

Porsche 987-1 Cayman 2.7L 2005-08
Porsche 987-1 Cayman S 3.4L 2005-08

Porsche 987-2 Boxster 2.9L 2009-12
Porsche 987-2 Boxster S 3.4L 2009-12
Porsche 987-2 Boxster Spyder 3.4L 2011-12

Porsche 987-2 Cayman 2.9L 2009-12
Porsche 987-2 Cayman S 3.4L 2009-12
Porsche 987-2 Cayman R 3.4L 2012

Porsche 981 Boxster 2.7L 2012-16
Porsche 981 Boxster S 3.4L 2012-16
Porsche 981 Boxster GTS 3.4L 2015-16
Porsche 981 Boxster Spyder 3.8L 2016

Porsche 981 Cayman 2.7L 2014-16
Porsche 981 Cayman S 3.4L 2014-16
Porsche 981 Cayman GTS 3.4L 2014-16
Porsche 981 Cayman GT4 3.8L 2016

Porsche 718 (982) Boxster 2.0L 2017>>
Porsche 718 (982) Boxster T 2.0L 2020>>
Porsche 718 (982) Boxster S 2.5L 2017>>
Porsche 718 (982) Boxster GTS 2.5L 2018-19
Porsche 718 (982) Boxster GTS 4.0L 2019>>
Porsche 718 (982) Boxster Spyder 4.0L 2019>> - Excludes RS

Porsche 718 (982) Cayman 2.0L 2017>>
Porsche 718 (982) Cayman T 2.0L 2020>>
Porsche 718 (982) Cayman S 2.5L 2017>>
Porsche 718 (982) Cayman GTS 2.5L 2018-19
Porsche 718 (982) Cayman GTS 4.0L 2019>>
Porsche 718 (982) Cayman GT4 4.0L 2019>> - Excludes RS

Porsche 996-1 Carrera 3.4L 1998-01
Porsche 996-1 Carrera 4 3.4L 1999-01

Porsche 996-2 Carrera 3.6L 2002-04
Porsche 996-2 Carrera 4 3.6L 2002-04
Porsche 996-2 Carrera 4S 3.6L 2002-05
Porsche 996-2 Targa 3.6L 2002-04

Porsche 997-1 Carrera 3.6L 2005-08
Porsche 997-1 Carrera 4 3.6L 2006-08
Porsche 997-1 Carrera S 3.8L 2005-08
Porsche 997-1 Carrera 4S 3.8L 2006-08
Porsche 997-1 Targa 4 3.6L 2007-08
Porsche 997-1 Targa 4S 3.8L 2007-08

Porsche 997-2 Carrera 3.6L 2009-12
Porsche 997-2 Carrera 4 3.6L 2009-12
Porsche 997-2 Carrera S 3.8L 2009-12
Porsche 997-2 Carrera GTS 3.8L 2011-12
Porsche 997-2 Carrera 4 GTS 3.8L 2011-12
Porsche 997-2 Carrera 4S 3.8L 2009-12
Porsche 997-2 Targa 4 3.6L 2009-12
Porsche 997-2 Targa 4S 3.8L 2009-12

Porsche 997-2 Turbo / S 3.8L 2010-13

Porsche 991-1 Carrera 3.4L 2012-16
Porsche 991-1 Carrera 4 3.4L 2012-16
Porsche 991-1 Carrera S 3.8L 2012-16
Porsche 991-1 Carrera 4S 3.8L 2012-16
Porsche 991-1 Carrera GTS 3.8L 2015-16
Porsche 991-1 Carrera 4 GTS 3.8L 2016
Porsche 991-1 Targa 4 3.4L 2015-16
Porsche 991-1 Targa 4S 3.8L 2015-16
Porsche 991-1 Targa 4 GTS 3.8L 2015-16

Porsche 991-2 Carrera 3.0L 2017-19
Porsche 991-2 Carrera 4 3.0L 2017-19
Porsche 991-2 Carrera S 3.0L 2017-19
Porsche 991-2 Carrera 4S 3.0L 2017-19
Porsche 991-2 Carrera GTS 3.0L 2017-19
Porsche 991-2 Carrera 4 GTS 3.0L 2017-19
Porsche 991-2 Targa 3.0L 2017-19
Porsche 991-2 Targa 4 3.0L 2017-19
Porsche 991-2 Targa 4 GTS 3.0L 2017-19

Porsche 991-1 Turbo 3.8L 2014-16
Porsche 991-2 Turbo 3.8L 2017-20

Porsche 992-1 Carrera 3.0L 2019-24
Porsche 992-1 Carrera T 3.0L 2023-24
Porsche 992-1 Carrera S 3.0L 2019-24
Porsche 992-1 Carrera GTS 3.0L 2022-24
Porsche 992-1 Carrera 4 3.0L 2019-24
Porsche 992-1 Carrera 4S 3.0L 2019-24
Porsche 992-1 Carrera 4 GTS 3.0L 2022-24
Porsche 992-1 Targa 4 3.0L 2019-24
Porsche 992-1 Targa 4S 3.0L 2019-24
Porsche 992-1 Targa 4 GTS 3.0L 2022-24

Porsche 992-1 Turbo / S 3.7L 2020>>

Porsche 992-2 Carrera 3.0L 2024>>
Porsche 992-2 Carrera T 3.0L 2024>>
Porsche 992-2 Carrera S 3.0L 2024>>
Porsche 992-2 Carrera GTS T-Hybrid 3.6L 2024>>
Porsche 992-2 Carrera 4 GTS T-Hybrid 3.6L 2024>>

Porsche 955 Cayenne S 4.5L V8 2003-06
Porsche 955 Cayenne Turbo 4.5L V8 2003-06

Porsche 957 Cayenne S 4.8L V8 2007-10
Porsche 957 Cayenne GTS 4.8L V8 2008-10
Porsche 957 Cayenne Turbo 4.8L V8 2007-10

Porsche 958-1 Cayenne S 4.8L V8 2011-14
Porsche 958-1 Cayenne GTS 4.8L V8 2011-14
Porsche 958-1 Cayenne Turbo 4.8L V8 2011-14
Porsche 958-1 Cayenne Turbo S 4.8L V8 2011-14

Porsche 958-2 Cayenne S 3.6L V6 2015-18
Porsche 958-2 Cayenne GTS 3.6L V6 2015-18
Porsche 958-2 Cayenne Turbo 4.8L V8 2015-18
Porsche 958-2 Cayenne Turbo S 4.8L V8 2015-18

Porsche 970-1 Panamera 3.6L V6 2010-13
Porsche 970-1 Panamera 4 3.6L V6 2010-13
Porsche 970-1 Panamera S 4.8L V8 2010-13
Porsche 970-1 Panamera 4S 4.8L V8 2010-13
Porsche 970-1 Panamera GTS 4.8L V8 2013
Porsche 970-1 Panamera Turbo 4.8L V8 2010-13
Porsche 970-1 Panamera Turbo S 4.8L V8 2010-13

Porsche 970-2 Panamera 3.6L V6 2014-16
Porsche 970-2 Panamera 4 3.6L V6 2014-16
Porsche 970-2 Panamera S 3.0L V6 2014-16
Porsche 970-2 Panamera 4S 3.0L V6 2014-16
Porsche 970-2 Panamera GTS 4.8L V8 2014-16
Porsche 970-2 Panamera Turbo 4.8L 2014-16
Porsche 970-2 Panamera Turbo S 4.8L 2014-16

Porsche 95B-1 Macan S 3.0L V6 2014-18
Porsche 95B-1 Macan GTS 3.0L V6 2014-18
Porsche 95B-1 Macan Turbo 3.6L V6 2014-18

Diagram ref. 5.

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

0PB105249

99911347640

99911349040

99911349041

94810121202

99710121200

99710121201

0PB105249

The product you are viewing cross references to these numbers

3 3 3

Rear Main Seal - Crankshaft Oil Seal (85x105x11) - for Porsche 986 / 987 / 981 / 718 / 996 / 997 / 991 / 992 / 955 / 958 / 970 / 95B-1

0PB105249/1

Product Information

99911347640

99911349040

99911349041

94810121202

99710121200

99710121201

0PB105249

The product you are viewing cross references to these numbers

3 3 3

Rear Main Seal - Crankshaft Oil Seal (85x105x11) - for Porsche 986 / 987 / 981 / 718 / 996 / 997 / 991 / 992 / 955 / 958 / 970 / 95B-1

0PB105249/4

Product Information

99911347640

99911349040

99911349041

94810121202

99710121200

99710121201

0PB105249

The product you are viewing cross references to these numbers

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About Gearbox Casing / Casing Parts

Porsche Gearbox Casings & Casing Parts | Strength, Precision & Thermal Stability for Reliable Transmission Performance

The gearbox casing is the structural foundation of your Porsche’s transmission system. It houses and supports all internal components — including gears, bearings, shafts, and seals — ensuring correct alignment, strength, and efficient operation. High-quality casing components are essential for maintaining gearbox integrity, preventing leaks, and reducing vibration or mechanical stress.

At Design911, we supply precision-engineered gearbox casings and casing components designed to meet or exceed original performance specifications. Manufactured from high-strength aluminium or magnesium alloys, each casing ensures excellent rigidity, heat dissipation, and dimensional accuracy.

Whether you’re rebuilding a classic 911 transmission, repairing a damaged casing, or upgrading for performance reliability, our range of Porsche gearbox casings and casing parts guarantees strength, fitment precision, and long-term durability.

What Do Gearbox Casings & Casing Parts Do?

The gearbox casing acts as a rigid housing that protects internal components from damage, contamination, and misalignment while maintaining lubrication and temperature control.

Core Functions:

Provides structural support and alignment for all internal gearbox components.
Protects gears, shafts, and bearings from debris and external damage.
Maintains correct oil levels and internal pressure.
Ensures efficient heat dissipation for optimal transmission operation.
Prevents leaks through integrated seals and machined joints.

Without a properly functioning casing, gearbox alignment and performance can degrade — leading to premature wear, oil leaks, and even transmission failure.

Why Do Gearbox Casings & Components Fail or Get Damaged?

Gearbox casings are exposed to mechanical stress, vibration, and heat over time, which can cause fatigue, cracking, or oil leaks.

Common Causes of Failure Include:

Cracks or fractures from impact or over-torqued bolts.
Corrosion or oxidation, particularly on older magnesium casings.
Warping due to overheating or poor heat dissipation.
Damaged or worn sealing surfaces causing oil leaks.
Incorrect assembly or misalignment during installation.

When the casing or its mating surfaces fail, it can cause oil leakage, misaligned gears, excessive noise, or internal component wear — compromising gearbox performance and reliability.

Why Replace Your Porsche Gearbox Casing or Casing Parts?

Replacing a damaged or worn gearbox casing ensures structural integrity, correct alignment, and proper sealing — vital for transmission efficiency and performance. Upgraded or remanufactured casings also enhance durability and thermal control in high-performance applications.

Key Benefits:

Restores proper gearbox alignment and internal balance.
Prevents oil leaks and contamination of internal components.
Improves heat management and mechanical strength.
Reduces vibration and driveline noise.
Ensures long-term reliability during rebuilds or performance upgrades.
Available for manual, automatic, and PDK Porsche transmissions.

A high-quality gearbox casing or replacement part is essential during transmission rebuilds to maintain correct tolerances and optimal drivetrain function.

Highlights

Precision Porsche gearbox casings and casing parts.
Manufactured from high-strength aluminium or magnesium alloys.
Perfect fitment for Porsche 911, Cayman, Boxster, and classic models.
Designed for strength, rigidity, and long-term reliability.
Restores transmission efficiency and structural integrity.
Ideal for rebuilds, repairs, or performance transmission upgrades.

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Gearbox Casing / Casing Parts

Crankshaft conrod (Model: 4820,4840, 4870,CXPA, CXRA,CXR, CWBA,CWB, CWCA,CWC) Panamera 970 (G1) 4.8L 2010-16 102-000

Crankshaft conrod (Model: 4620,4640, CWAA,CXNA) Panamera 970 (G1) 3.6L 2010-16 102-010