Cylinder head gasket Genuine Porsche part 93010438101

Code: 93010438101

Genuine Porsche part

Cylinder head gasket

The product code 93010438101 was also found on these diagrams

102-05 - cylinder head gasket

cylinder with piston 911 1987-89

102-05 - cylinder head gasket

cylinder with piston 964 1989-94

Additional information:

• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.

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Valve guide exhaust / inlet standard size. Porsche 911 1965-89 OE Ref: 93010432100

93010432100/1

Product Information

Valve guide standard. Inlet and exhaust. 12 required per engine (price is each)

This is the standard valve guide used in early air-cooled Porsche 911/930 cylinder heads. It’s a plain (non-hydraulic) guide that locates the valve stem in the head; when worn it causes oil burning, loss of compression and poor valve seating — so they’re commonly replaced whenever heads are rebuilt.

What the part is (technical data / dimensions)

Application: Porsche 911 / 930 from about 1965–1989 (varies slightly by model and year; early cars both intake & exhaust, later years sometimes exhaust only). Standard size (typical OE): ID ≈ 9.00 mm, OD ≈ 13.06 mm, length ≈ 51.2 mm.

oematch

Fits:
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
Porsche 911 1978-1983 3.0L / SC
Porsche 911 1984-1986 3.2L
Porsche 911 1987-1989 3.2L G50
Porsche 911 1975-1977 3.0L Turbo (930)
Porsche 911 1978-1989 3.3L Turbo (930)

Why these guides should be replaced

Valve guides are a wearing item. Replace them when any of the following occur or when you rebuild the engine head.
Excessive valve stem play — worn guide ID internal diameter lets the valve rock and misalign with the seat , poor sealing, reduced compression and power.
Oil consumption / smoking — worn guides allow oil to wick down the stem into the combustion chamber, causing blue/grey smoke and fouled plugs.
Hard starting, rough idle, misfire — poor sealing / valve timing irregularities from misaligned valves.
Valve wobble that leads to premature valve stem wear or valve seat damage — once stems or seats are damaged you need deeper surgery.
If a guide is cracked, broken, or has excessive ovality — must be replaced.
Whenever you remove and refinish seats / replace springs / do a full head rebuild — replacing guides at that time is cheap insurance and ensures correct alignment.

Inner diameter 9,00 mm
Outer diameter 13,06 mm
Total Length 51,20 mm

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Diagram Ref No 2 and 2A.

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93010432100

93010432100

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Cylinder head gasket Genuine Porsche part 93010438101