
diesel spark plugs. This ensures that the fuel-air mixture is ignited properly and that the combustion process is as efficient as possible. This is important for diesel engines, which rely on precise combustion to generate power.


rc7yc spark plug.
Standard 3760/3761
Propylene (fluorinated ethylene)
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• Super helix seal
Even the slightest chip or dent can cause contaminants to infiltrate your oil seal. If there are any scratches on the shaft, a leak path may develop, allowing the lubricant to drip. To protect the shaft from damage, wrap it in a mesh rubber screen and store it vertically in its compartment. This way, it can be shielded from potential cracking.
What is an Oil Seal?
An oil seal, also known as crankshaft retainer, is a small device, but essential to ensure the proper engine operation. It plays a key role in all moving parts of an engine, acting as a physical barrier. This mechanical seal fulfils the dual purpose of sealing a rotary shaft to maintain the necessary lubrication (avoiding leaks) and preventing other foreign matter from contaminating shafts and bearings in the rotary shaft equipment.
Why Should You Choose Emerson for Your Oil Seal Needs?
Oil seal characteristics
Oil leak: the most frequent failure of the oil seal

Leather oil seals are commonly used for parts that are exposed to dirt and poor lubrication. The major advantage of this material is that it can function in cases where synthetic rubber cannot function. They are used for shafts that have rough surfaces that are more than what rubber seals can handle. This is because they are pre-lubricated and have the capacity to absorb liquids.
Why use NOK-CN factory-made oil seals?
When the total eccentricity is excessive, the sealing edge of the seal lip cannot accommodate shaft motions and leakage may occur.
Total eccentricity is the sum of shaft runout and the housing-bore eccentricity.
Total eccentricity, shaft runout and housing-bore eccentricity are generally expressed in TIR (Total Indicator Reading).
Polyurethane
Check the faces of the head and block for flatness. Alloy heads in particular can distort and then leak.