cotter split Genuine Porsche part 90110541700

Code: 90110541700

Genuine Porsche part

cotter split

The product code 90110541700 was also found on these diagrams

103-00 - collet divided

cylinder head, cylinder with piston 911 UPTO 1971

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cylinder head, cylinder with piston 911 1972 ONWARDS

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cylinder head 911 1978-83

107-20 - part 8 of 9 - collet

injection system cylinder head and injection pump 911 E/S UPTO 1971 and 911 911 T-E/E/S, CARRERA 2.7 1972 ONWARDS

103-00 - collet

cylinder head 911 1987-89

103-00 - collet

Cylinder head 911 1984-86

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Cylinder head cylinder with piston 911 1974-77

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cylinder head, cylinder with piston 911 1965-69

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cylinder head, cylinder with piston 912 1965-69

107-20 - part 9 of 9 - collet

injection system cylinder head and injection pump for 911 E/S 1969 onwards

103-00 - collet

cylinder head, cylinder with piston 911 TURBO 1975-77

103-00 - collet

cylinder head 964 1989-94

103-000 - collet divided

Cylinder head / Cylinder with piston 356B / 356C 1960-1965

001-000 - collet divided

Tool Jack 914 1970-76

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Cylinder head / Cylinder with piston 914-6 1970-76

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.

Before purchasing thoroughly check part to confirm compatibility.

Related products

3 3 3

Cylinder Head Intake Valve. Porsche 911 S/TU/T/E

90110540700/1

Product Information

Cylinder Head Intake Valve.
Maintain the performance and reliability of your classic Porsche engine with this OE Match cylinder head intake valve. Designed to precisely replicate the original Porsche specification, this valve ensures proper airflow, sealing, and combustion efficiency in early air-cooled engines. Manufactured from high-grade, heat-resistant steel alloy, it delivers outstanding strength, thermal stability, and wear resistance — essential for the demanding environment of Porsche’s horizontally-opposed engines. Each valve is precision-ground for perfect seat contact, ensuring smooth intake flow, consistent compression, and long-term durability.

Fits:
Porsche 911 S/TU/T/E 1965-69
Porsche 914-6 1970-76

Diagram ref no 9.

Function:
The intake valve allows the precise entry of the air-fuel mixture into the combustion chamber. Properly sealing valves are critical for maintaining compression, fuel efficiency, and smooth idle. A high-quality OE Match valve ensures exact timing, optimal airflow, and factory-level performance across the rev range.

Why & When Replacement Matters

Why:
Continuous exposure to heat, carbon build up, and mechanical stress can cause valve face wear, pitting, or bending, leading to loss of compression, rough running, and reduced power.

When:

During engine rebuilds or top-end overhauls
When compression loss or poor idle is detected
If valves show visible wear, burn marks, or stem play
As part of routine maintenance for high-mileage or performance engines

Replacing with an OE Match intake valve restores engine efficiency, reliability, and preserves the authentic performance character of your classic Porsche.

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

90110540700

90110540700

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cotter split Genuine Porsche part 90110541700