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Design911 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://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net Facebook Instagram

Rohler

Rohler
About Rohler

ROHLER for Porsche

ROHLER creates premium replacement and performance components for Porsche vehicles, developed for owners, restorers and specialist workshops that believe the smallest details matter. Design911 offers ROHLER products alongside genuine, OE Match and quality aftermarket options, supported by specialists who understand these cars.

The ROHLER story

ROHLER is defined by a straightforward philosophy: “Don't simply replace it. Improve it.” Its range extends from precision-machined titanium fasteners and engine hardware to carefully engineered replacement components, with an emphasis on superior materials, precise fitment and long-term durability. The understated design approach allows attention to detail to continue beyond visible parts to the hardware and engineering underneath. Premium materials. Precision engineering. Lasting solutions. ROHLER — Engineered to Belong.

Why choose ROHLER for your Porsche

Many Porsche components and fixings work in demanding conditions involving heat, moisture, road salt and repeated servicing, where conventional parts can eventually corrode, seize, deteriorate or become difficult to service. ROHLER develops more considered long-term solutions and, where the application demands it, uses materials such as Grade 5 titanium for their combination of high strength, low weight and exceptional corrosion resistance. Positioned above conventional aftermarket components, the brand combines modern engineering, carefully selected materials and precise fitment for restoration, maintenance and performance-focused work. Design911 hand-picks brands for their quality and suitability, helping customers select components for routine repairs, detailed restorations or carefully planned upgrades.

  • Premium replacement and performance components developed for Porsche vehicles
  • Precision-machined titanium fasteners and carefully engineered engine hardware
  • Grade 5 titanium used where applications require strength, low weight and corrosion resistance
  • Suitable for air-cooled builds, engine and transmission rebuilds and high-value restorations
  • Components intended to improve known weak points and withstand demanding environments
  • Fitment supported by supplied model coverage and relevant OE references

categories we stock from this brand

Design911 stocks ROHLER across the following categories for Porsche models. Check the supplied model coverage, model year, side or position, connector type and OE references where relevant to confirm the correct application.

Engine Rebuild Parts ROHLER engine hardware and replacement components are suited to planned Porsche engine overhauls, specialist workshop builds and projects where premium materials and attention to detail are priorities.

  • Internal wear can present as low or uneven compression, excessive oil consumption, persistent leaks, abnormal noises, low hot-idle oil pressure or metallic debris in the oil and filter.
  • Before committing to a rebuild, carry out compression and leak-down tests, inspect the bores with a scope and check the oil and filter for contamination or debris.
  • While the engine is apart, assess chains, guides, seals, bearings, gaskets and critical hardware to reduce the chance of a repeat strip-down.
  • Confirm the underlying cause, including overheating, oiling problems or coolant and oil cross-contamination, before installing replacement components.

Camshaft covers / Gaskets Camshaft covers and gaskets are renewed to restore reliable sealing, control oil leaks and protect the upper areas of a Porsche engine from contamination.

  • Heat cycling can harden or shrink gaskets, while covers may crack, corrode, distort or develop damaged sealing surfaces.
  • Typical symptoms include oil seepage, wetness around fasteners, burning-oil smells, smoke from oil reaching hot components and residue around the camshaft-cover area.
  • Do not rely on overtightening bolts; check cover flatness and sealing surfaces, use the correct torque sequence and renew brittle seals.
  • Inspect the breather or PCV system and crankcase ventilation because excess pressure can contribute to recurring leaks.

Engine Tuning ROHLER performance components support Porsche projects intended to improve known weak points, refine durability or complement carefully planned engine modifications.

  • Before tuning, confirm good mechanical health through compression, fuelling, sensor, cooling and oil-temperature checks.
  • Investigate hesitation, flat spots, poor idle, surging, inconsistent boost, misfires and abnormal fuel mixture readings before selecting components or calibration changes.
  • Check for boost and vacuum leaks and resolve mechanical faults rather than attempting to mask them through tuning.
  • Any modification should be considered as a complete system, with suitable supporting components and a calibration appropriate to the application.

Camshaft Covers Replacement camshaft covers are used where original covers have cracked, warped or can no longer provide a dependable sealing surface, often as part of Porsche top-end work.

  • Camshaft covers retain engine oil and protect camshafts and valvetrain components from dirt and debris.
  • Inspect for distortion, cracks, damaged bolt holes, brittle seals and persistent leaks that remain after gasket replacement.
  • Follow the specified tightening pattern and torque because overtightening can distort a cover or damage threads.
  • Check crankcase breathing at the same time, as restricted ventilation can worsen top-end oil leaks.

Interior & Accessories Interior components and accessories can refresh worn touch points, replace damaged trim or add practical storage and comfort features without changing the core character of a Porsche.

  • Common concerns include sticky switches, broken clips, rattles, sagging trim, worn surfaces, faded plastics and damaged hinges or handles.
  • Brittle plastics, ageing foam adhesives and water ingress can contribute to damp smells, mould or warped panels.
  • Many parts vary by Porsche model and year, so check compatibility details and part references carefully.
  • Use suitable trim tools and renew missing or damaged clips and fasteners to minimise loose panels and new rattles.

explore the range

Explore ROHLER components for high-value Porsche restorations, air-cooled builds, engine and transmission rebuilds, motorsport-inspired projects and specialist workshop work at Design911. Match the Porsche model and year and, where possible, cross-check OE part numbers before fitting; renew critical consumables such as seals, clips and bolts and address worn mounts, misalignment or contamination so the underlying cause is resolved.

DISPLAYING 161 to 176 (of 273 products)
93010511605RED
Product Information
Product Information
Camshaft Covers (Set of 2)
Lower camshaft covers , made from Billet Alloy CNC. Anodised in Red


Fits:
Porsche 911 1968-89

Diagram ref no 14



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

93010511605RED
93010511600
93010511605
93010511601
93010511602
93010511603
93010511604

The product you are viewing cross references to these numbers
93010511605BLK
Product Information
Product Information
Camshaft Covers (Set of 2)
Lower camshaft covers , made from Billet Alloy CNC. Anodised in Black


Fits:
Porsche 911 1968-89

Diagram ref no 14. 



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

93010511605BLK
93010511600
93010511605
93010511601
93010511602
93010511603
93010511604

The product you are viewing cross references to these numbers
90006010601T
Product Information
Product Information
Exhaust head stud. Made out of Titanium (Grade 5 Ti-6Al-4V) M8 x 22
Sold each.



Fits
Porsche 911 1965 - 83

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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

90006010601T
90006100701
90006100702
99906200702
90006010601
99906200603
99906200604

The product you are viewing cross references to these numbers
99908500103T
Product Information
Product Information
Exhaust hex nut for heat exchanger. Made out of Titanium (Grade 5 Ti-6Al-4V)



Fits:
Porsche 911 1965-89 (6 for both heat exchangers)
Porsche 964 Carrera 1989-94 (4 for both heat exchangers)

Porsche 993 Carrera 1994-98 (5 for both heat exchangers)
Porsche 993 Turbo 1994-98 (4 for both heat exchangers)



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99908500103T
99908500102
99908500103
99908500101

The product you are viewing cross references to these numbers
99906223902T
Product Information
Product Information
Exhaust head stud, L - 45mm. Made out of Titanium (Grade 5 Ti-6Al-4V)
Sold each.



Fits:
Porsche 911 3.2L 1984-89
Porsche 930 turbo
Porsche 965 turbo

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

99906223902T
99906223902
99906223903

The product you are viewing cross references to these numbers
97042101154S/2
Product Information
Product Information
Cardan shaft support bearing. Porsche 970 Panamera Turbo.


Fits:
Porsche 970 Panamera 4.8L Turbo


No need to replace complete prop shaft when your bearing is gone.
Simple solution, saving you loads of money.


Click 'Zoom in' for large parts diagram.
Diagram ref no 1



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

97042101154S
97042101154
97042101153
97042101152

The product you are viewing cross references to these numbers
MANIFOLDKIT911E
Product Information
Product Information

Exhaust heat exchanger fitting kit. Includes studs and nuts made out of titanium.

These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.



Fits:
Porsche 911 1965-83


TITANSTUDS911E
Product Information
Product Information
These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.



Fits:
Porsche 911 1965-83





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

TITANSTUDS911E
99908500102
99908500103
90007602502
9000760250C
90006100701
90006100702
99906200702
90006010601
90006100801
99906200802
90006100802

The product you are viewing cross references to these numbers
MANIFOLDKIT993
Product Information
Product Information

Exhaust heat exchanger fitting kit. Includes studs and nuts made out of titanium.

These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.



Fits:
Porsche 993
TITANSTUDS993
Product Information
Product Information
These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system. 



• Ultra-high-performance product
• Use of Titanium Ti6Al4V technology

Contains 12 x Studs, 7 x Nuts, 5 x Barrel Nuts & 12 x Washers

Fits:
Porsche 993

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

TITANSTUDS993
99908405202
99908500102
99908500103
99906200702
90006010601

The product you are viewing cross references to these numbers
MANIFOLDKIT964
Product Information
Product Information

Exhaust heat exchanger fitting kit. Includes studs and nuts made out of titanium.

These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.



Fits:
Porsche 964


TITANSTUDS964
Product Information
Product Information
These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.



Fits:
Porsche 964





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

TITANSTUDS964
99908405202
99908500102
99908500103
99906200702
90006010601

The product you are viewing cross references to these numbers
MANIFOLDKIT911L
Product Information
Product Information

Exhaust heat exchanger fitting kit. Includes studs and nuts made out of titanium.

These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.



Fits:
Porsche 911 3.2L 1984-89


TITANSTUDS911L
Product Information
Product Information
These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.



Fits:
Porsche 911 3.2L 1984-89





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

TITANSTUDS911L
99906223902
99908400201
99908500102
99906223903

The product you are viewing cross references to these numbers
TITANTORXSHORT18
Product Information
Product Information
Exhaust manifold bolts M8x21. Made out of Titanium
Set of 18 pcs



Titanium is a highly corrosion-resistant material, which is particularly important in exhaust systems due to the exposure to extreme heat and moisture. The corrosion resistance of titanium bolts ensures longevity and reduces the risk of premature failure, ultimately saving the owner from costly repairs.


Fits:
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 997.2 Carrera 2009-2012
Porsche 981 Boxster 2012-2016
Porsche 981C Cayman 2014-2016
Porsche 991 MKI 2012-2016
Porsche Cayman GT4 2016

Click 'Zoom in' for large parts diagram.



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

TITANTORXSHORT18
99907353501
99907347101
99907353502

The product you are viewing cross references to these numbers
99908405202T::2
Product Information
Product Information
Exhaust Manifold to Catalytic Converter M8 Nut. Made out of Titanium.



Fits:
Porsche 986 Boxster 1997-05
Porsche 987C Cayman 2005-08
Porsche 996 C2 / C4 / C4S 1997-05
Porsche 996 GT3 1999-05

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

99908405202T
99908405202

The product you are viewing cross references to these numbers
DISPLAYING 161 to 176 (of 273 products)