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Mahle
Mahle for Porsche
Our Porsche product portfolio demonstrates our unique systems competence, as it addresses all crucial issues related to the powertrain and air conditioning technology—from engine systems, filtration, and electronics/mechatronics through to thermal management. Every other vehicle in the world is equipped with Mahle technology. We are a leading global developmental partner to the automotive industry, offering our customers complete systems that stand out thanks to the unrivaled breadth and depth of our product range. Our knowledge in the various areas leads to synergies that we utilize in order to develop unique solutions.
A Quick Look at Mahle
Our Porsche product portfolio demonstrates our unique systems competence, as it addresses all crucial issues related to the powertrain and air conditioning technology—from engine systems, filtration, and electronics/mechatronics through to thermal management.Every other vehicle in the world is equipped with MAHLE technologyWe are a leading global developmental partner to the automotive industry, offering our customers complete systems that stand out thanks to the unrivaled breadth and depth of our product range. Our knowledge in the various areas leads to synergies that we utilize in order to develop unique solutions.
Choosing the Right Fit for Your Porsche
Where Mahle is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.
- Typical reasons to choose Mahle for Porsche include maintaining engine longevity, keeping oil and intake systems clean, and using trusted components for routine servicing or rebuild work.
- Oil contamination, reduced airflow, increased oil consumption or blow-by (engine-dependent), and poor running can appear if filters are neglected, though many issues come from overdue servicing, incorrect oil grade, vacuum leaks, or sensor faults.
- Follow Porsche service intervals for filters and shorten them for heavy use, track driving, or dusty environments.
- Always renew sealing rings and O-rings supplied with Mahle parts and lubricate them lightly before fitting to avoid leaks and ensure correct seating.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.
Engine Rebuild Parts — Engine rebuild parts are typically changed during a planned rebuild or when symptoms point to wear inside the engine, such as loss of compression, excessive oil use, persistent leaks, abnormal noises, or contamination found during inspection. Owners and specialists often renew these parts while the engine is apart because labour is the major cost, so replacing bearings, chains, guides, seals, fasteners, and gaskets at the same time reduces the risk of repeat strip-downs and improves reliability after the rebuild. Common checks before committing to a rebuild include compression and leak-down testing, bore inspection with a scope, and oil/filter analysis, with many components such as chains, guides, tensioners, and critical seals replaced "while you are in there".
Piston Rings — Piston rings are replaced when wear leads to low compression, blow-by, and increased oil consumption. This work is usually carried out as part of a wider rebuild or top-end refresh once compression and leak-down results indicate ring sealing issues, or when there is persistent smoke and high oil use not explained by external leaks or valve guide problems. High oil consumption, blue smoke under acceleration, high crankcase pressure, and fouled plugs are typical symptoms; diagnosis often involves distinguishing ring issues from valve guide wear and inspecting cylinders, pistons, and crankcase ventilation.
Heating / Air Conditioning — Heating and air conditioning parts are renewed to restore cabin comfort, improve demisting, and keep the climate system reliable. Common reasons to replace components include weak or warm air conditioning, poor heating, musty smells, fan noise, and gradual loss of cooling from refrigerant leaks or corroded condensers. In many cases, it is important to establish whether the system simply needs a service or regas, or whether there is an underlying leak or component fault, and running the air conditioning regularly helps keep seals lubricated.
Service Parts — Service parts are changed as routine maintenance to keep your Porsche reliable, efficient, and protected. Replacing filters, plugs, belts, fluids, and ignition components on schedule helps maintain performance, safety, and longevity, especially on older vehicles where neglected servicing can quickly lead to more serious problems. Many issues such as hard starting, poor fuel economy, or rough running can be improved by establishing a proper service baseline, and it is sensible to keep a clear service log for future diagnostics and resale.
Oil Filters — Oil filters are renewed at every oil change to protect the engine by removing contaminants from the oil. Over time, filters become saturated and can restrict flow, contributing to faster oil contamination or, in some cases, pressure issues or leaks if the wrong filter type or a damaged seal is used. Owners may select Mahle oil filters for trusted build quality, correct bypass valve specifications, and reliable sealing, and it is good practice to lightly oil the gasket, check that the old gasket has been removed, and tighten the filter to the specified setting.
Explore Mahle at Design911
View the current Mahle range for Porsche at Design911, then filter by model and category to narrow down to the right parts.

Cylinder Bore 95mm
Fits:
Porsche 911 3.2L 1986-87 Carrera
08.1986 - 08.1989 160kw 218hp 3164cc 6cyl 930.25 engine
02.1984 - 06.1987 152kw 207hp 3164cc 6cyl 930.21 engine
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR28
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Fits:
Porsche 930 Turbo 3.0L 1975-77
911 3.0 TURBO
01/75 - 12/77
Coupe
930.50
KW184
HP250
PORSCHE
911 3.0 TURBO
01/75 - 12/77
Coupe
930.52
KW191
HP260
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR27
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)

Fits:
Porsche 911 3.0L 1978-80 188BHP
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR27
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC

Fits:
Porsche 911 3.0L 1981>> 204BHP
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR27
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC

Fits:
Porsche 964 3.3L TURBO M30.69
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR26
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
Fits:
Porsche 911 2.7L
Engine Type: 911/41, 911/42, 911/96, 911/97,
Cyl. Bore: 90,000 mm
Outer diameter: 97,000 mm
Length: 120,000 mm
Height: 85,500 mm
Flange Ø: 107,000 mm
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR24
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Fits:
Porsche 911S 2.7L 175PS / 165PS
Engine Type:
165PS - 911/43, 911/48, 911/81, 911/82, 911/84, 911/85, 911/86, 911/89, 911/90, 911/94, 911/99
175PS - 911/42, 911/47, 911/93, 911/98, 911/42,
Cyl. Bore: 90,000 mm
Outer diameter: 97,000 mm
Length: 120,000 mm
Height: 85,500 mm
Flange Ø: 107,000 mm
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR24
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Fits:
Porsche 911 2.7L Mech Injection
Engine Type: 911/83
Cyl. Bore: 90,000 mm
Outer diameter: 97,000 mm
Length: 120,000 mm
Height: 85,500 mm
Flange Ø: 107,000 mm
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR24
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera

Fits:
Engine codes: 616.16 / 616.36 / 616.39 / 616.40
Porsche 912 1.6 01/1965-02/1970
Porsche 356B 1600 super90 01/1959 - 12/1963
Porsche 356C 1600 SC 01/1965- 02/1970
Please note: These pistons will need to be purchased as 4 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR23
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
Porsche 930 Turbo 3.3L 1978-89
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR20
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 993 3.6L C2 / C4 1994>>
Supplementary Article/Supplementary Info with piston rings
Cylinder Bore [mm] 100 mm
Length [mm] 63,2 mm
Compression Height [mm] 31,8 mm
Valve pocket depth 2 [mm] 47,3 mm
Top land height [mm] 6,2 mm
Bolt Ø [mm] 23 mm
Bolt length [mm] 54 mm
Surface Tin-plated
Production Number 100 P 47
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR45
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Cylinder Bore 100 mm
Fits:
Porsche 964 3.6L C2 / C4 1990>>
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR45
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93

Cylinder Bore 100 mm
Fits:
Porsche 964 3.6L Turbo
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR45
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 993 Turbo 3.6L 1994>>
Cylinder Bore: 100 mm
Length: 63,3 mm
Compression Height: 31,8 mm
Top land height: 6,1 mm
Bolt Ø : 23 mm
Bolt length: 54 mm
Surface: Coated
Production Number: 100 P 46
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR44
The product you are viewing cross references to these numbers
- Porsche 993 (911) TURBO 1994-96

Fits:
PORSCHE 356 1600cc
Engine code: 616.15
82.50 Ø
4 Cylinder
8 valve
1582cc
55 KW
75 HP
Please note: These pistons will need to be purchased as 4 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610410400
The product you are viewing cross references to these numbers
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65

Fits:
PORSCHE 911L 2.0L 01/63 - 12/68
901.01
KW96
HP13
Cyl. Bore: 80,000 mm
Outer diameter: 92,000 mm
Length: 123,000 mm
Height: 82,300 mm
Flange Ø: 88,0 mm
Flange Ø: 88,000 mm
Please note: These pistons will need to be purchased as 6 pcs. Singles are not available. Price displayed is for each piston.
This set should only be fitted by engine builders or tuners as other parts may be required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
503WR18
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)