Car Oil Filter

Oil is a very important fluid for your car’s engine. Clean engine oil, circulating throughout the engine, not only lubricates internal engine components but also absorbs all impurities and, simply put, dirt from the system.

These impurities inevitably damage the engine. Over time, the accumulation of this dirt may lead to engine failure. Dirty oil can coat the surfaces of the oil pump components and damage engine bearing surfaces.

Oil filters play their role here and are used in various types of machinery.

The oil filter is placed in the oil inlet path to the engine. It removes impurities caused by heavy engine operation, such as metallic shavings from part friction, combustion soot, dust, and other pollutants that can gradually block the oil’s flow path and cause severe damage to the engine. By filtering the engine oil, the filter ensures the oil remains free of contaminants. It also keeps the oil clean under conditions such as cold starts, heavy stop-and-go traffic, high engine temperatures, and high-speed driving. Furthermore, it maintains oil efficiency and aids in cooling the engine by transferring heat.

Effects of Using a Poor-Quality Oil Filter

If the filter’s paper and materials are of poor quality, or if there are leaks at the paper joints, filtration will not be performed properly, allowing particles and impurities to enter the engine. These contaminants can scratch internal components, cylinders, and pistons, causing serious engine damage. Possible consequences include oil leakage from the filter joint, rusting of the housing, inability to withstand pressure, and ultimately cracks in the filter or detachment of the sealing gasket. This leads to gradual or sudden oil loss from the lubrication circuit, resulting in engine wear and abrasion over time.

Characteristics of a High-Quality Filter

A good oil filter should have the following properties and capabilities:

• No resistance to oil flow
• Effective separation of particles from oil
• High capacity for absorbing contaminants
• Tear resistance
• Efficient housing capable of withstanding high pressure
• Proper sealing
• High resistance to heat and fire, with a relief valve
• No leakage in the filter media
• Correct positioning inside the housing
• Appropriate choice of alloy for the housing with proper coating

Car Oil Filter Components

• Metal Shell: A cylindrical piece with high resistance to rust, oil pressure, and impact.
• Retainer Spring: The first internal part of the filter, located between the filter element and the metal shell, holding the components in place.
• Filter Element: Consists of filter paper, a relief valve, and a central tube, serving as the main part responsible for oil filtration.
• Anti-Drain Back Gasket: Prevents oil and dirt from re-entering the engine when the motor is off.
• Thick Cap: A metal part serving as the oil inlet and outlet channel and the connection point of the filter to the base.
• Metal Ring: Attached to the thick cap, securing the sealing gasket in place.
• Sealing Gasket: The final component that prevents oil leakage at the filter’s connection to the engine.

Oil Filter Replacement Time

This component has a limited lifespan and can only perform effectively for a certain period. If the oil filter is not replaced on time, its paper pores get clogged. This increases pressure inside the filter housing, forcing the relief valve to open to protect the engine components. The lifespan of each filter depends on the manufacturer. Serkan Filter, using high-quality raw materials and fully automated production, produces the best oil filters, cabin filters, air filters, and other car filters in Iran.

Due to its high-quality products and more than 40 years of experience, Serkan has gained credibility in the domestic market and has also performed well in exports, supplying filters to many countries worldwide.