Crankcase oil filler breather cap height: 1 3/4 inches, width: 1 1/4 inches, straight thread: 3/8 inch (outer diameter about 5/8 inch).
Part number: 70103 57600, suitable for most air compressor pumps.
The crankcase oil filler breather is equipped with a breather cap to ensure air circulation in the engine oil tank, prevent excessive air pressure accumulation, and protect the internal parts of the engine.
Made of plastic and marble materials, it can be replaced or installed without complicated tools, suitable for various mechanical and engine equipment.
Equipped with a marble stopper, it effectively prevents impurities and contaminants from entering the crankcase, protecting the cleanliness and lubrication effect of the engine oil.