Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram
Porsche specialists based in the UK
Porsche > Cayman 987C/981C (2005-2016) > Cayman S 3.4L 987C 2005-08 > Engine Rebuild Parts > Crankshaft & Parts >

Crankshaft Standard (STD). Porsche 996 3.6L / 997.1 Carrera 3.6L / 3.8L 2005-08
Crankshaft Standard (STD). Porsche 996 3.6L / 997.1 Carrera 3.6L / 3.8L 2005-08 - 99610201204
Crankshaft Standard (STD). Porsche 996 3.6L / 997.1 Carrera 3.6L / 3.8L 2005-08 - 99610201204, 99610201202, 99610201203 - 996 102 012
5
99610201204/1
Product Information
Product Information
Standard Size Crankshaft (STD)
The standard size (STD) engine crankshaft is a critical rotating component for Porsche 996 Carrera and 997.1 Carrera / Carrera S models equipped with the M96/M97 engines

Fits:

  • Porsche 996 C2 3.6L 09/01-2005 (engine code M9603)
  • Porsche 996 C4 3.6L 09/01-2005  (engine code M9603)
  • Porsche 996 C4S 3.6L 09/01-2005  (engine code M9603)
  • Porsche 997 MK1 Carrera 2 3.6L 2005-08  (engine code M9605)
  • Porsche 997 MK1 Carrera 2S 3.8L 2005-08  (engine code M9701)
  • Porsche 997 MK1 Carrera 4 3.6L 2005-08  (engine code M9605)
  • Porsche 997 MK1 Carrera 4S 3.8L 2005-08 (engine code M9701)

Diagram ref no 1

Designed to maintain original journal dimensions and deliver balanced, dependable rotation, this crankshaft ensures proper bearing clearances, stable lubrication and smooth power delivery—essential for both everyday driving and spirited performance use.

Whether restoring a high-mileage engine, repairing bottom-end damage or conducting a complete power unit rebuild, this precision crankshaft is fundamental to achieving long-term reliability and authentic Porsche performance.

What the Crankshaft Does

This crankshaft performs multiple key functions at the heart of the Porsche flat-six engine:

  • Transforms piston motion into smooth, controlled rotational torque
  • Maintains exact journal sizing for correct oil clearance and bearing support
  • Provides balanced rotation across the engine’s full RPM range
  • Supports consistent lubrication through precision oil galleries
  • Ensures durable, stable bottom-end operation under high loads
  • Forms the structural core of the M96/M97 rotating assembly

A correctly sized, properly balanced crankshaft is essential for engine health, power consistency and long-term performance.

Why Porsche Crankshafts Can Fail

While Porsche’s M96/M97 engines are known for performance, certain conditions can cause premature crankshaft wear or failure. Common causes include:

  • Oil starvation leading to bearing knock and journal scoring
  • High mileage fatigue causing cracks or out-of-round journals
  • Worn or failed bearings damaging crankshaft surfaces
  • Contaminated lubrication accelerating wear on critical journals
  • Overheating compromising crankshaft strength
  • Imbalance due to previous machining or improper rebuild work
  • Harmonic vibration intensified by worn flywheel or pulley components

Symptoms often include low oil pressure, knocking noises, metal debris in oil filters, engine vibration or difficulty maintaining consistent RPM.

Why You Should Replace a Worn Crankshaft

Replacing a damaged crankshaft with a precision-built, standard size replacement designed to match Porsche performance characteristics restores the reliability and durability required from the M96/M97 engine.

Key benefits include:

  • Restored journal accuracy and correct bearing clearance
  • Improved lubrication and oil pressure stability
  • Smooth, balanced rotation across all RPM ranges
  • Prevention of major bottom-end failures
  • Enhanced reliability for road and performance driving
  • Extended lifespan of rods, pistons, bearings and related components

For 996 and 997.1 owners, a correct standard-size crankshaft is vital to a successful and lasting engine rebuild.



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

99610201204
99610201204
99610201202
99610201203

The product you are viewing cross references to these numbers
Related products
Rear Main Seal - Crankshaft Oil Seal (85x105x11) - for Porsche 986 / 987 / 981 / 718 / 996 / 997 / 991 / 992 / 955 / 958 / 970 / 95B-1 - 99911347640, 99911349040, 99911349041, 94810121202, 99710121200, 99710121201, 0PB105249 - 81-34819-00
3
Rear Main Seal - Crankshaft Oil Seal (85x105x11) - for Porsche 986 / 987 / 981 / 718 / 996 / 997 / 991 / 992 / 955 / 958 / 970 / 95B-1
Black Friday Sale
0PB105249/1
Product Information
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
Underdrive crankshaft pulley (with A/C) for Porsche 996 / 997 / 986 Boxster - 99610211562, 99610511563 - AP987130, AP-987-130
1
Underdrive crankshaft pulley (with A/C) for Porsche 996 / 997 / 986 Boxster
3609001601-AC
Product Information
Product Information
Under drive crankshaft pulley (with A/C) kit. Includes pulley, drive belt and new bolt. Pulley is made from 6061-T6 aluminum, Improve horsepower and torque while reducing parasitic drag from the alternator, power steering pump and water pump.

Pulley outer diameter: 123mm (measured from ribs to ribs)

FITMENT GUIDE:
Porsche 986 Boxster:
1997-1999 2.5L H6
2000-2004 2.7L H6
2000-2004 S 3.2L H6
986 Spec Boxster Legal

Porsche 987 Boxster / Cayman
2005- 2.7L H6
2005-2006 3.2L H6
2007- 3.4L H6

Porsche 996 / 997
1999 3.4L H6 NA
2001-2004 3.6L H6 NA
2005- 3.6L H6 NA

Will not work on 3.8L (S) or Turbo models

For INSTALLATION GUIDE CLICK HERE

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

3609001601-AC
99610211562
99610511563

The product you are viewing cross references to these numbers
Crankshaft pulley. Porsche 986 Boxster / 987 Boxster / 987 Cayman / 996 / 997.1 - 99610211563, 99610211561, 99610211562
2
Crankshaft pulley. Porsche 986 Boxster / 987 Boxster / 987 Cayman / 996 / 997.1
Special Order item
99610211563
Product Information
Product Information
Crankshaft pulley.

Fit:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 C2/C4/C4S 1998-04
Porsche 997 3.6L 2005-08

Diagram ref no 6

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

99610211563
99610211563
99610211561
99610211562

The product you are viewing cross references to these numbers