The Ultimate Engine Gasket And Seals Buying Guide

2 What Type Of Gaskets And Seals Should I Choose?

Automotive Gaskets and seals are built to bear both high and low compressive loads. They come in a number of different shapes, specifications, and modifications. You can choose the gasket and seals suited best for your vehicle according to the following factors:

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Based On Material

1. Metallic

Metallic gaskets can achieve higher quality surface sealing than their non-metallic counterparts. These gaskets can be manufactured in several shapes and sizes and are durable and better resistant to thermal damage at high temperatures. However, they are costly and more susceptible to corrosion, and suitable for medium and high-pressure applications.

2. Non-Metallic 

Non-metallic gaskets and seals are manufactured from composite sheet materials like elastomeric rubber, aramids, graphite, and others. They are suitable for a wide range of general and corrosive chemical, low and high-temperature applications depending on materials. Their use is generally limited from low to medium fluid pressure applications and is typically the least expensive of the three main gasket categories. However, it may vary as per the material used.

3. Semi-Metallic 

Semi-metallic gaskets or seals are made from a combination of metallic and non-metallic materials to enhance the composite material&#;s characteristics. They have advantages of both metal and non-metal gasket materials. The metal provides the strength and resilience of the gasket, and the non-metallic component offers corrosion resistance.

Based On Application

1. Leakage Prevention

Leakage prevention is one of the most common uses of gaskets or seals.  However, it&#;s essential to ensure that the material used is designed for use with that specific liquid or fluid set. For example, nitrile gaskets are best suited to environments where exposure to solvents, oil, and fuel will occur.

2. Anti-Vibration

Vibration can cause damage and loss of energy if allowed to continue. These types of gaskets are used in locations such as structural bearings, machinery mountings, and pipe supports.

3. Environmental Prevention

These gaskets are used in situations where a seal is needed against dust and other types of contaminants. They allow the integrity of enclosures to be maintained so that the equipment located within can continue operating at optimum levels.

4 Which Brand Gaskets and Seals Should I Choose?

Fel-Pro Gaskets & Seals

Fel-Pro has been the undisputed leader in the manufacturing of engine gaskets and seals for over 100 years. That work continues today through Fel-Pro&#;s market-leading products as well as the best-in-industry brands. The Fel-Pro family offers you a spread of products to select according to your needs.

Gaskets And Seals Part Number: PT2, VSR, OSR, MS, , and more.

Features:

• Problem-solving gaskets featuring advanced technologies
• Application specific design to ensure a perfect fit
• Exceeds original equipment specifications
• Engineered and manufactured specifically for repair applications
• Unsurpassed quality you can trust
• Includes all parts needed to complete the repair
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering, and manufacturing processes

For more information and a detailed product line, visit Fel-Pro Gaskets And Seals section. 

SKF Gaskets & Seals

SKF has been a leading supplier of global technology since . The company is known for continually developing new technologies and using products that offer its customers competitive advantages. SKF has been setting performance and service life standards for industrial and automotive shaft seals.

Gaskets And Seals Part Number: , , , , , and more.

Features

• Available for all shaft applications in the engine
• High temperature and high speed capable
• Excellent chemical and wear resistance
• Designs with dry running capability 
• Designs with rubber or felt dust lip.

For more information and a detailed product line, visit SKF Gaskets And Seals section.

National Oil Seals Gaskets & Seals

The National Oil Seals has established a reputation as one of the most recognized brands in the industry. They offer premium quality products and are known to keep pace with industry changes and deliver advanced products to meet today&#;s automobile market needs. They are committed to producing quality high-end products that meet or exceed the original equipment specifications.

Gaskets And Seals Part Number: , , , , , and more.

Features

• It is made from innovative materials and processes that enhance life and performance.
• The dynamic Edge pumping feature deflects contamination away from the face of the seal.
• Precision contacts lock out dirt and moisture.
• Quality gasket material provides a leak-free seal.
• Products are backed by the company&#;s experienced technical support.

For more information and a detailed product line, visit National Oil Seals Gaskets And Seals section.

Blue Streak (Hygrade Motors) Gaskets & Seals

Blue Streak (Hygrade Motor) has over 100 years of experience in designing, engineering, manufacturing, and distributing over 40,000 of the highest quality engine management products in some of the most advanced technology categories. They produce and distribute a complete line of critical high-tech components for the vehicle&#;s ignition, electrical, emission and fuel systems.

Gaskets And Seals Part Number: VG30, VG6, VG56, VG36, VG14, and more.

Features

• Will help optimize your vehicle&#;s performance and fuel efficiency.
• They are built using high-grade materials for ultimate quality and durability.
• Made to look, fit, and function just like the original part.
• They are engineered to offer simple, trouble-free installation.
• They are manufactured to meet or exceed high OEM standards.

For more information and a detailed product line, visit Blue Streak Gaskets And Seals section. 

Dorman OE Solutions Gaskets & Seals

Dorman is one of the leading manufacturers of automotive components. Their products are precision-engineered and offer different repair solutions for the majority of vehicles on the road.

Gaskets And Seals Part Number: 917-036, 917-176, 635-128, 615-201, 635-518, and more.

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Features

• Direct replacement &#; gaskets and seals are made to match the original equipment components&#; fit and performance.
• Restores functionality &#; built to restore a proper seal.
• Durable construction &#; this part is made from quality materials to ensure reliable performance and long service life.
• Trustworthy quality &#; backed by a team of product experts and more than a century of automotive experience.

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For more information and a detailed product line, visit Dorman OE Solutions Gaskets And Seals section. 

Different types of oil seals

Do you want to keep your machine away from any unwanted leaks, but aren't sure which oil seal is right for your needs? This guide will provide you with everything you need to know in order to choose the right one for your application.

Oil seals, also known as rotary shaft seals, fluid seals or grease seals, play an important role in closing the gap between the moving and stationary elements of mechanical equipment.

Automotive Oil Seals

By preventing the leakage of lubricants, they protect critical parts of machinery from damage caused by leaks of various fluids. These Automotive Oil Seals are used from automotive engines to assembly machines to remain free from any harmful effects that can cause serious and costly damage to any of its critical components.

What is a rotary shaft seal?

Rotary shaft or oil seals are placed between moving and stationary mechanical parts to ensure that contaminants, moisture, corrosive materials and abrasives do not damage various components. They also prevent unwanted mixing of fluids, including water and oil, from combining within the machine.

How are oil seals made?

First, an elastomer, most commonly nitrile rubber, is vulcanized to a metal ring. This creates a stiffening effect, including a specialized metal tension spring directly behind the seal lip, which keeps the oil seal firmly attached to the moving parts.

Oil Seal Materials

There are many different materials used to make oil seals.

Leather Oil Seals - Leather oil seals, also known as L-shaped oil seals, are most commonly used for parts that are contaminated and poorly lubricated. Because leather oil seals are pre-lubricated and absorb fluids, they are able to provide sealing performance in situations where synthetic rubber cannot.

Synthetic Rubber Oil Seal- Styrene-butadiene rubber oil seals, or just SBR oil seals, are highly resistant to wear and damage, making them ideal seals for fast moving machinery. They can be used for outdoor components due to their heat aging properties that can withstand extreme temperatures. They are also considered to be more cost effective oil seals than natural rubber.

Nitrile Oil Seals - Nitrile oil seals is the common term for acrylonitrile-butadiene rubber seals and is a very good general purpose choice due to the flexibility of use on a wide variety of components. The high resistance to fats, hot water, gasoline, mineral oil, grease and animal oil makes them the most commonly used oil seal. They do not have a large temperature range, making them a poor choice for machines with drastic temperature changes.

Fluoroelastomer oil seals - Fluoroelastomers are synthetic rubber and fluoropolymer elastomers used to make oil seals that offer resistance in both high temperature and low compression permanent deformation components. They also have high chemical and wear resistance, so they can be used in components that frequently interact with petroleum and solvents.

Polyacrylate oil seals - Mostly selected for automotive and transmission use, polyacrylate oil seals withstand fuel, oil, ozone, sunlight and weather when in use. They are the perfect choice due to the exposure of the car to all these different fluids and elements. However, they should not be used at low temperatures as their flexibility is diminished at low temperatures.

Silicone seals - Designed to absorb lubricants to reduce wear and friction, silicone rotary shafts also have high thermal resistance and a large temperature range. However, they do not handle wear well or interact with oxidized oils.

PTFE Oil Seals - A relatively new and exciting type of oil seal, the use of PTFE means they can withstand dry or unlubricated operation. With a huge thermal range of -130ºC to +200ºC and strong chemical resistance, they are considered to be the future of rotary shaft seals.

How to choose the right oil seal?

When selecting an oil seal for your next project, there are several key factors to consider to ensure protection from immediate and long-term damage to machinery.

Pressure - Many oil seals can only withstand low pressure applications, so it is critical to understand the permanent deformation of the component in compression.

Temperature - Just like pressure, it is important to know the operating temperature of the oil seal so that you can select one that can withstand high or low temperatures. PTFE has the widest temperature range, making it ideal for machines used in extreme weather or components.

Shaft speed - Considering the speed the shaft will be moving, runout, bearing housing bore and the type of oil being sealed is critical to ensure that you select an oil seal that will not be affected by wear or spiral deformation.

Fluid type - Various oil seals can withstand interaction with oil, fuel, grease, water, etc. Knowing what type of fluid the rotary shaft seal will be in constant contact with will ensure the longevity of the seal and surrounding components.

Amount of lubricant - Seals always perform best when lubricated, but in some machines are more likely to dry out. For these cases, it will be beneficial to choose leather or PTFE seals, as both have less lubricity than other seals.

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