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Cap Genuine Porsche part 90174155300

Code: 90174155300

Genuine Porsche part

Cap

The product code 90174155300 was also found on these diagrams

104-00 - protection cap

engine lubrication 911 1965-69

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

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Oil Level Sender. (First early version) Porsche 911 01/1963-07/1973

90174154100/1

Product Information

This first-version oil level sender from OE Match is intended for Porsche 91 The unit mounts within the oil reservoir and provides the signal used by the dashboard level gauge.

Fits

Porsche 911 01/1963-07/1973

Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no: 2

What This Product Does

The sender detects the oil level in the tank and communicates that information to the instrument gauge. Its role is level indication, not oil circulation or pressure regulation. A questionable gauge reading should therefore be investigated separately from an oil-pressure fault.

Functions

Detects changes in reservoir oil level.
Supplies an electrical signal for dashboard indication.
Supports routine checks of the vehicle’s oil quantity.

Technical Details

Brand: OE Match.
Supplied reference: 90174154100.
Version identification: first early design.
Installation location: within the oil tank.

Symptoms of Fault

The gauge remains at either extreme despite a verified oil quantity.
Displayed level varies intermittently or responds unusually slowly.
The indicated quantity disagrees with a correctly performed manual check.
Oil dampness appears around the sender’s sealing joint.

These observations do not establish that the sender has failed. Inspect electrical connections, wiring and the gauge, and confirm the actual oil quantity before replacing components.

Why Replacement Matters

Renewing a confirmed faulty sender helps restore useful dashboard level indication. During installation, inspect the sealing area and associated connections so that a separate leak or electrical problem is not overlooked. OE Match’s Porsche-focused replacement programme uses application and original-reference checks to identify suitable components.

FAQs

Does an inaccurate reading always mean the sender needs replacing?
No. Connection faults, wiring problems, instrument defects and an unsuitable checking procedure can produce misleading readings.

Should the seal be inspected during replacement?
Yes. Examine the seal and mating surface, and renew sealing components where required. No seal or fitting hardware is specified as included.

Can the gauge replace a manual oil check?
If the indication appears doubtful, verify the quantity using the vehicle’s prescribed checking method before adding oil.

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

90174154100

90174154100

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Cap Genuine Porsche part 90174155300