Repair Services

050 103 663 – Oil Dipstick Tube Funnel (Orange Plastic Section)

Replacement orange plastic oil dipstick funnel for select Volkswagen and Audi engines. Replaces brittle or cracked factory tubes to ensure accurate oil checks.

$1.99

  • Description
  • Additional information
  • Fits These Cars

Description

The 050 103 663 dipstick funnel serves as the orange plastic upper section of the oil dipstick tube for various engines. It provides a secure guide and mounting point for the dipstick. Consequently, it keeps the dipstick seated to prevent oil vapor from escaping. Furthermore, this component blocks debris from entering the crankcase.

Manufacturers use a heat-resistant plastic for this part to withstand high engine bay temperatures. Nevertheless, heat cycling eventually makes the original plastic brittle. This degradation often causes the factory tube to crack or break at its base.

Why the Oil Dipstick Funnel Matters

A secure oil dipstick seal ensures both engine cleanliness and accurate maintenance. If the funnel cracks, the dipstick might not sit at the correct depth. Consequently, you may receive inaccurate oil level readings. A broken funnel also allows vacuum leaks in certain systems.

Since this funnel consists of plastic, it acts as a common wear item. Replacing a failing 050 103 663 dipstick funnel offers a cost-effective way to check oil reliably. Thus, a new funnel helps you keep the engine properly sealed.

Signs of Failure

Inspect the dipstick tube area if you notice these symptoms:

  • The dipstick feels loose or fails to click into place.

  • You see visible cracks in the orange plastic funnel.

  • The funnel section detaches from the lower metal tube.

  • Oil residue appears around the dipstick tube area.

  • You encounter inaccurate oil level readings.

  • Rough engine idle occurs due to minor vacuum leaks.

Key Features

  • OE Part Number: 050 103 663

  • Function: It guides the oil dipstick and seals the tube.

  • Material: Durable orange plastic resists oil and high heat.

  • Fitment Type: This part replaces brittle or broken factory funnels directly.

  • Service Benefit: It restores accurate oil monitoring and prevents contamination.

  • Installation: The funnel snaps onto the lower metal engine tube easily.

Service Notes

Always verify fitment by VIN before ordering. When removing a broken funnel, prevent plastic fragments from falling into the metal tube. Use pliers to remove any remaining plastic base from the metal tube if the original funnel shattered.

Compatibility & Applications

Always verify fitment by VIN before ordering. This part commonly fits older 1.8L and 2.0L gasoline engines.

Cross Reference Numbers

  • 050 103 663

Additional information

Weight .05 lbs
Dimensions 3.5 × 1.5 × 1.5 in
Mfg Part #

050103663

Year Make Model Engine Notes
1997-1999 Audi A4 1.8L
1995-2002 Volkswagen Cabrio 2.0L
1990-1999 Volkswagen Golf 1.8L
1990-1999 Volkswagen Golf 2.0L
1990-1999 Volkswagen Jetta 1.8L
1990-1999 Volkswagen Jetta 2.0L
1990-1999 Volkswagen Passat 1.8L
Audi 90 10v Upper
Audi 90 20v Upper
Audi B5 A4 1.8T Through chassis # 8D-X-300000. | Upper