NISSAN 11140-VC102 Engine Oil Dipstick

The genuine NISSAN 11140-VC102 dipstick (engine oil level gauge) is an essential diagnostic component of an internal combustion engine's lubrication system. Its primary function is the accurate, direct mechanical inspection of the engine oil level in the oil pan, as well as the quick visual assessment of the lubricant's physical condition (discoloration, contaminants, viscosity changes).

Function and Technical Significance

Maintaining the proper engine oil level is critical for the long-term, reliable operation of the engine. A low oil level can cause insufficient lubrication, increased friction, overheating, and ultimately bearing failure or severe engine damage. Conversely, an overfilled oil level can lead to foaming of the lubricant, crankshaft oil seal failure, and increased crankcase pressure. Featuring precisely calibrated MIN and MAX markings, the genuine dipstick guarantees an accurate reading of the actual oil volume.

Typical Failure Modes and Symptoms of Wear

• Handle aging and breakage: Due to high engine bay temperatures and oil vapors, the plastic handle can become brittle and break off, making removal difficult or impossible.
• Sealing element wear: Hardening or cracking of the stopper plug's sealing O-ring can allow oil vapor to escape around the guide tube or allow unmetered air and dirt to enter the crankcase.
• Mechanical deformation: A bent or twisted steel blade can jam in the dipstick tube and, in extreme cases, snap off, posing a severe risk of engine damage.

Technical Specifications

• Manufacturer: NISSAN (Genuine OEM part)
• Part Number: 11140-VC102
• Part Type: Engine oil level dipstick (Gauge Oil Level)
• Material: Heat- and oil-resistant composite handle with flexible steel measuring blade
• Mounting Location: Engine block / oil dipstick guide tube

Vehicle Compatibility

• Nissan Patrol (Y61) 3.0 TD [2000 - 2002] (GAUGE OIL LEVEL (ZD30DDTI))