Oil Level Dipstick

The OE Match oil level dipstick for Porsche 911 1965–71 provides a manual reference for checking the oil level. It replaces a missing, damaged or unreadable dipstick as part of routine maintenance or restoration work.

Fits

• Porsche 911 1965–73
  
  

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

Diagram ref no 55

What Is This Part?

This is the removable measuring dipstick used to check the oil level manually. Its measuring section carries an oil film when withdrawn, allowing the level to be read against its markings. Correct seating and the appropriate dipstick for the installation are important because damage or a mismatched part can make the reading misleading. OE Match supplies replacement parts focused on Porsche applications, including components for classic-car maintenance and restoration.

What Does This Part Do?

• Provides a manual reading: Allows the oil level to be checked directly against the dipstick markings.
• Guides topping up: Provides a reference when deciding whether more oil is needed, provided the correct checking procedure is followed.
• Supports ongoing monitoring: Repeated checks under consistent conditions help identify changes in oil level between services.
  
  Why Replace This Part?

A bent, damaged or unreadable dipstick can make a straightforward maintenance check difficult to interpret. Replace it if the measuring section is damaged, the markings can no longer be read clearly, or the existing dipstick is missing or incorrect for the application.

If readings vary, first check the measuring procedure and whether the dipstick seats properly. Difficulty inserting or removing it also warrants inspection of the receiving opening and surrounding components rather than forcing it into place. A changing oil level alone does not establish that the dipstick is faulty.

When to Replace This Part?

• Visible damage: The measuring section is bent, cracked or otherwise distorted.
• Unreadable markings: Wear or corrosion prevents a clear comparison with the oil film.
• Damaged grip: The handle is loose or damaged, making normal removal and refitting difficult.
• Poor seating: Inspection confirms that damage to the dipstick prevents it from reaching its proper position.
• Missing or incorrect part: The original is absent, or the fitted dipstick does not match the vehicle application.
  
  FAQs

• When should the oil level be checked? Follow the checking procedure in the vehicle handbook. Porsche Classic specifies that dry-sump engine oil levels must be checked with the engine warm and running. 
• Can an incorrect dipstick give a misleading reading? Yes. The measuring section and seating position must suit the installation, so confirm the application before using its markings to guide topping up.
• Does this need replacing at every oil change? Replacement is condition-based. Inspect it during servicing and renew it if damaged, unreadable, missing or incorrect for the application.
  
  Product Summary

• Product: Oil level dipstick.
• Brand: OE Match.
• Part reference: 90110777000.
• Purpose: Manual oil level checking during maintenance.
• Replacement indications: Damage, unreadable markings, loss or an incorrect existing dipstick.

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

90110777000

The product you are viewing cross references to these numbers

Oil Level Dipstick "Oil Klapper" 

Maintain accurate engine oil level measurement with this OE Match Oil Level Dipstick, designed specifically for the unique 1972 Porsche 911 "Oil Klapper" models. Manufactured to original equipment specifications, this precision-engineered replacement dipstick ensures accurate oil level readings, helping to protect your classic air-cooled flat-six engine from the damaging effects of incorrect oil levels.

Fits:

• Porsche 911 1972 2.4L LWB (F)   

Diagram ref no 55     

The 1972 model year Porsche 911 is one of the most distinctive and sought-after classic 911s. Often referred to as the "Oil Klapper", it features a one-year-only external oil filler flap mounted behind the passenger-side door (right-hand rear wing on left-hand drive cars). This unique design relocated the oil tank forward for improved weight distribution, making several oil system components—including the dipstick—exclusive to the 1972 model.

Whether you're restoring an original 1972 Porsche 911 or replacing a damaged or missing dipstick, this OE Match replacement delivers factory-correct fitment, accuracy and appearance.

What Does the Oil Level Dipstick Do?

The oil level dipstick provides a simple but essential method of accurately checking the engine oil level within the external dry sump oil tank.

Its functions include:

• Accurately measuring engine oil level.
• Preventing overfilling or underfilling.
• Helping maintain correct engine lubrication.
• Supporting proper oil cooling performance.
• Protecting internal engine components from premature wear.
• Assisting routine servicing and maintenance.

Correct oil level is particularly important on air-cooled Porsche engines, where the engine oil performs both lubrication and cooling functions.

Why Does the Dipstick Need Replacing?

Although a simple component, the dipstick can become damaged over time through:

• Corrosion.
• Accidental bending.
• Wear to the handle or measuring marks.
• Loss during engine work.
• Fatigue after decades of use.

An inaccurate or damaged dipstick can result in incorrect oil level readings, increasing the risk of engine damage.

Symptoms of a Damaged Dipstick

Common signs include:

• Bent or distorted measuring blade.
• Worn or unreadable oil level markings.
• Corrosion or rust.
• Loose or damaged handle.
• Poor sealing in the oil filler neck.
• Difficulty obtaining accurate oil level readings.
• Missing dipstick.

Replacing the dipstick restores confidence when carrying out routine oil level checks.

When Should the Oil Level Dipstick Be Replaced?

Replacement is recommended when:

• The original dipstick is bent or damaged.
• Oil level markings have become difficult to read.
• The dipstick has been lost.
• Restoring a 1972 Porsche 911 to factory specification.
• Replacing damaged oil filler components.
• Carrying out a full oil system refurbishment.

A new OE Match dipstick ensures accurate oil level monitoring and helps protect your engine.

Why Choose an OE Match Oil Level Dipstick?

Our OE Match dipstick has been manufactured to faithfully replicate the original Porsche component.

Features include:

• OE-quality dimensions and calibration.
• Factory-style handle and finish.
• Durable corrosion-resistant construction.
• Accurate oil level measurement.
• Direct fit for the original oil tank.
• Ideal for concours restorations and routine maintenance.
• Straightforward installation.       

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

91120704100

The product you are viewing cross references to these numbers

Oil level dipstick.

Fits:
Porsche 911 1965-71

Diagram ref no 55

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

90110777000

The product you are viewing cross references to these numbers