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Victor Reinz
Victor Reinz for Porsche
As an original-equipment manufacturer and replacement part supplier, Dana delivers innovative sealing technologies of the highest quality under the brand name Victor Reinz®. All spare parts in the comprehensive product range meet the high standards of OEM Porsche quality. Nearly all the familiar brands and models of automobile manufacturers worldwide are equipped with the professional sealing solutions from Dana in the areas of motors and exhaust.
Choosing the Right Fit for Your Porsche
Where Victor Reinz 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 these parts include fixing oil or coolant leaks properly, completing top-end or full engine rebuilds, and using trusted sealing components during Porsche maintenance where correct sealing is critical.
- Common real-world symptoms that lead to gasket and seal replacement include oil seepage, coolant leaks, misfires from vacuum leaks around intake gaskets, and recurring leaks where surfaces haven’t been cleaned or torqued correctly.
- Practical workshop tips include only using additional sealant where Porsche specifies, considering new stretch bolts where applicable, and spending time on cleaning, surface inspection, and correct torque stages for reliable long-term sealing.
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 components are typically replaced during planned rebuilds or when internal wear is suspected, such as loss of compression, heavy oil consumption, persistent leaks, abnormal noises, or contamination found in the oil. On Porsche engines, many specialists renew chains, guides, bearings, gaskets, seals and hardware together while the engine is apart to avoid repeat strip-downs and to restore reliability.
- Before committing to a rebuild, checks such as compression and leak-down testing, bore inspection with a scope, and careful oil/filter inspection help confirm whether internal parts really need replacing.
- When the engine is already out, it is common to replace hard-to-access wear items "while you’re in there" to reduce future labour, including chains, guides, tensioners, major seals, gaskets and critical fasteners.
Gaskets & Sets — Gaskets and gasket sets are changed whenever joints are opened and whenever leaks appear from ageing, heat cycling or previous poor installation. For Porsche work, full sets are often chosen during rebuilds so that all common leak paths are addressed together, helping to prevent repeat strip-downs and reducing the risk of MOT issues from oil contamination on underbodies and components.
- Most engine gaskets are designed as single-use items, so reusing old seals is usually avoided; using a complete set for major work also reduces the chance of missing a critical gasket or O-ring.
- Intermittent gasket leaks can open and close with heat cycles, so pairing new gaskets with fresh sealing washers, O-rings and any disturbed breather or vacuum hoses is a common best practice.
Radial Seal / RMS / Camshaft / Balance shaft — Radial shaft seals, including rear main seals and cam or balance shaft seals, are replaced to stop oil leaks at rotating shafts and to prevent oil reaching clutches, belts or surrounding components. On Porsche engines they are often tackled during clutch or gearbox removal, engine-out work or rebuilds, as access is labour-intensive and proactive replacement can avoid future strip-downs.
- Not every oil trace at the bellhousing is a rear main seal leak, so diagnosis of other potential leak paths is important before parts are ordered.
- Where access overlaps, many workshops replace related front or rear shaft seals together, especially if crankcase pressure issues or age-related hardening have been noted.
Timing covers and gaskets — Timing covers and their gaskets are renewed to stop oil leaks at the front of the engine and to reseal the timing area after service on chains, tensioners or guides. Warped covers, hardened gaskets or failed sealant can all cause leaks; resealing during timing work or rebuilds helps prevent oil reaching belts, ancillaries and undertrays.
- Oil leaks around the front cover are more than cosmetic, as escaping oil can contaminate belts and ancillaries and may worsen over time if not addressed.
- For durable results, correct surface preparation, flatness checks, suitable sealant choice and allowing proper cure time, along with checking crankcase ventilation, are all important.
Cylinder Head / Camshaft Carrier — Cylinder heads and camshaft carriers are addressed when there are sealing problems, valve guide wear, cracks or warping from overheating, or oil leaks around cam carrier joints. On Porsche engines this work is often carried out to cure smoking, restore compression, deal with top-end noise, or as part of a full rebuild so that labour is not duplicated later.
- Head-related issues can contribute to oil consumption, especially where valve guide and seal wear allows oil to enter the combustion chambers on overrun.
- Typical top-end work includes pressure testing, machining and valve seat work as required, then reassembly with new gaskets, seals and associated timing components where the design requires removal.
Explore Victor Reinz at Design911
View the current Victor Reinz range for Porsche at Design911, then filter by model and category to narrow down to the right parts.

Fits:
Porsche 928 GTS 5.4L 1992-96
Porsche 928 S4 5.0L 19987-91
Porsche 928 GT 5.0L 1989-91
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810090104
The product you are viewing cross references to these numbers
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fitting Position: Transmission End
Inner Diameter: 65 mm,
Outer diameter: 85 mm,
Width: 10 mm,

Fits:
Porsche 911 1965-77
Click 'Zoom in' for large part diagram.
Diagram Ref No 33
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911305752
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera

Fits:
Porsche 911 3.2L 1984-89
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010090704
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 911 S 2.7L 1975-77 (late exhaust)
For Cylinder Head
911/41/42/43/46/47/48
911/81/82/84/85/86/89
911/90/94/99
K-Jetronic
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110090703
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera