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Mevotech has been a top-notch automotive aftermarket company for thirty years already. We inject the latest technology in producing our products and always keep ourselves informed of the expectations of our consumers. That is why we always make sure we present you the finest components for your automobile and provide you excellent service and customer support. Ever since we began in 1982, we have teamed up with the most efficient distribution companies to let you get easy access to our components. We are driven by our passion to give you driving success! Mevotech's superior product line is made to set the tone for today's rapidly developing automotive industry. Take a close look at our parts and catalog in the Products Section of our website.

What is a control arm?

Occasionally referred to as an "A-arm" or a "wishbone", a control arm is vital part in your vehicle's suspension system that is made of aluminum or metal. It joins the wheel to your car's frame and enables it to move independently. Control arms are sometimes called "A-arms" due to its shape that looks like the letter A. "A-arm" or "wishbone" control arms have two joints at one end and a single joint at the other end. The two joints on the control arm, which are at the bottom of the A, attach to your automobile's frame, while the third joint connects to the spindle.

There is also another kind of control arm that normally functions as a rear control arm. This type may consist of a bushing on one end and a joint on the other end of a metal or an aluminum bar. It may also feature a bar with two bushings or one with a bushing and an attachment. There are upper and lower control arms in your vehicle, and they are the parts that allow the front wheels to change direction. They may come with or without the ball joint as an entire unit, depending on your car's model.

What is a spindle?

A spindle is a fundamental part of the steering knuckle that is also called a stub axle or a shaft. It is a cast piece of steel that has an extended machined spud, where the wheel hub and bearings rest. The spindle is also the primary unit of your automobile's suspension system, and is commonly attached between the upper and lower control arms. Rear-wheel and four-wheel drive vehicles usually have spindles.

What does a control arm do?

The control arm is the part of your vehicle that allows your front wheels to turn and change direction. It is a suspension part that attaches the wheel to your automobile's frame and enables it to move independently. Basically, the control arm acts as a "link" between the frame and the wheels. It functions as a hinge to let the wheels go up and down independently of the chassis. Control arms work together with coil springs. A coil spring is placed between the lower control arm and the car's frame. During instances when the wheel revolves into a depression or dip, the control arms go down and the springs expand. The spring force gets the wheel and the control arms back into proper position once the wheel gets to a flat surface.

The purpose of this is to permit the wheel to move up and down while keeping the frame, body, and passengers in an even and smooth position. Crucial for the control arm to function correctly are the control arm bushings. The control arm bushings give a pivot point from the control arm throughout suspension travel. They also serve to sustain the vertical and lateral location of the control arm pivot points. In addition, control arm bushings also reduce transmitted noise, maintain active wheel alignment, lessen road shock and vibration, and create resistance to suspension movement.

Why Mevotech Control Arms?

The Mevotech Supreme Control Arm program presents the widest and most complete coverage that you can find in the aftermarket. Having more than 250 SKU's, the Mevotech Supreme Control Arm program gives coverage for Domestic, European, Asian, and Light Truck applications. More than 180 of these items come inclusive of Supreme Ball Joints and bushings to provide you more significant value. With these remarkable upgrades, Mevotech gives you a quicker and easier way of installing them, cutting installation time to 60%. Plus, you get the superb quality and excellent functionality that Mevotech always delivers.

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What is a ball joint?

Ball joints are vital components of your automobile's steering system. A ball joint is basically a flexible joint. It is a threaded stud on one end a ball on the other end. The ball is placed in a steel socket and a sintered-iron or nylon bearing is between them. Certain ball joints have a spring that exerts force towards the ball to take up any play. A ball joint is sealed with a rubber boot or a similar kind of heavy-duty material to prevent dust and water from getting inside it and keep lubricant in. Almost all ball joints are lubricated through a grease fitting or detachable plug. On a common automotive application, there are normally two lower and two upper ball joints. They are typically mounted in the external ends of the front suspension control arms. But if your vehicle has a McPherson strut suspension, only a single ball joint is utilized and is located at the outer end of each lower control arm.

What does it do?

The ball joint is basically called what it is due to its ball-and-socket assembly. This component functions mainly in two ways: it enables a rotating motion while the angle of the revolving axis changes and it is a suspension part that attaches the steering knuckle to either control arm to permit it to pivot in different directions. Ball joints operate as pivots to allow the front wheels to turn. They also balance the varying wheel and steering geometries that normally occur as you drive.

How does it work?

The dynamics of ball joints are very plain. Ball joints are placed on the external ends of control arms in the front suspension. They give a pivoting joint that attaches the steering knuckle to the control arms that can only go up or down or swing sideways. This enables the steering knuckle and wheel to rotate in and out during steering. There is a spindle on the steering knuckle, and it is where the wheel is connected.

How do I know I need ball joints?

Due to the fact that ball joints are essential to your steering, the first things you will notice are those that are related to your steering. If you are experiencing a delayed steering response or getting inconsistent steering, it may indicate that your ball joints are in poor condition. Uneven tire wear or hearing certain knocking noises from the front end when you turn sharply or when driving through rough roads are also symptoms that your ball joints are in bad shape. Because ball joints are hard to check without the using special tools, the wisest thing to do is have a qualified technician to take a look at them.

Why Mevotech ball joints?

The main pivotal point of all suspensions needs to be highly durable. That is why Mevotech provides you the most excellent and toughest ball joint to guarantee its superb performance. All Mevotech ball joints come ready with:

  • Polished exteriors to minimize friction.
  • Lubrication access (where necessary) to enable fluid coating of parts and flushing abilities to eliminate contaminants.
  • Top-grade boots to prevent moisture and road debris from getting to the bearing surfaces.

Mevotech ball joints also present additional features, like full ball studs to distribute load evenly and over a wide area, knurling on the housing for press-in type joints to prevent the socket from rotating, rust reducer to allow it to last a long time, and all hardware needed to accomplish the task.

Having full coverage of domestic, light truck, and import applications, Mevotech ball joints are the favorite of experts.

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What is Rack and Pinion?

When you hear people mention a Rack and Pinion, they are talking about the kind of steering an automobile has. Rack and Pinion steering is quickly turning to be the most popular kind of steering nowadays, mainly due to its simplicity. A Rack and Pinion has two key parts, which are the rack and the pinion. When a mechanic informs you that your rack and pinion needs to be replaced or rebuilt, you only have to get your Rack and Pinion assembly fixed and not your steering system directly. Your car's steering system enables you to have control the direction of your vehicle as you drive it. What makes this possible is the linkage that attaches the steering wheel to the steerable wheels and tires. Each steering system is either manual or power, which means that when the driver is the only one applying force on the steering wheel, it is a manual steering system. When an automobile utilizes a hydraulic pump or an electric motor to help the driver, it has a power steering system. But, regardless of whether your car has manual or power steering, the basic function remains the same. Once you turn the steering wheel, the movement is transmitted to a steering gear that is called a Rack and Pinion gear.

What is a Rack?

The rack, which is known as a steering rack, is a piece of metal that is long and flat on one side. The flat side has teeth throughout the length of the rack. The teeth are shaped in a perpendicular way to the rack's edges, so they are side by side and run the along the length of the rack. A tie rod is attached at every end of the rack.

What is a Pinion?

Rack and pinion components are also composed of other elements. They have inner and outer tie rods, bearings, rubber boots, and bushings. The bushings and bearings are all part of the gear assemblies' inner functions. The rubber boots serve to keep dust and dirt from getting inside the system. Let's see how all these components work together. The rack and pinion assembly operates to achieve two things:


  • It changes the rotary motion of the steering wheel into a linear motion that is needed to turn the wheels in either direction
  • It gives a gear reduction that allows it to turn the wheels more easily

The pinion is found inside an assembly that consists of some bearings, seals, lock nuts, and adjusting screws. The bearings permit an unhindered turning of the pinion and the seals keep it from getting contaminated by dirt, grime, and dust. The lock nuts and adjusting screws enable the pinion to be properly tuned.

The rack is found in a steering rack housing that also includes a set of bearings, boots, and seals that function the same way as they do with the pinion. An inner tie rod extends to the wheels on both edges of the rack. The rubber boots are there to keep them from getting contaminated. The inner tie rods connect to certain outer tie rods that are joined to the steering knuckles, which attach the steering system to the wheels.

The pinion shaft is attached to the steering column and every time the driver turns the steering wheel, the pinion responds in a counter-clockwise motion. The steering wheel revolves a gear that engages the rack. As the gear is rotating, it slides the rack to the left or to the right, depending on where the wheel is turned by the driver. To put it simply, if you turn the steering wheel to the left, the rack moves right causing the wheels to go left. Take note that this is from a driver's point of view.

How do I know I need a Rack and Pinion unit?

Even though the Rack and Pinion assembly is a simple system, some issues regarding it can still arise. A leak is a common problem among Rack concerns. It can be caused by a tear or a rip in the rubber boots, worn-out seals, or wear in the housing. When you experience leaking in this system, you can see a puddle of liquids beneath your vehicle that isn't black (engine oil), green (radiator fluid), or clear (liquid from the air conditioner). Poor steering, feathered tire wear, and straight ahead stability can be due to damaged inner or outer tie rods. When you hear a "clunking" or thumping sound, it may be because the rack mounting bushings are in bad shape. If you notice any of these signs, it would be advisable to let a mechanic check your steering system.

Why Mevotech Rack and Pinion Units?

Due to the current popularity of the Rack and Pinion steering, there is a high demand for top-quality Rack and Pinion units in the market. A main priority of Mevotech is to produce the finest Rack assembly possible. Each Rack and Pinion unit that we manufacture goes through strict procedures to make sure that we have the best in the industry:

  • All racks are completely vacuum tested with a special fluid mix to guarantee no microscopic leaks
  • All racks are completely pressure tested at both ends to guarantee optimum performance
  • All racks are cleaned with a special vibratory cleaner to minimize contaminants
  • All rack components are made using highly durable plastics, rubbers, and polymers

Having more than 700 SKU's available on domestic, light truck, and import applications, Mevotech Rack and Pinion Units are what experts prefer.

Mevotech is proud to announce the introduction of the new X-factor racks coming soon!

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What is a strut mount?

Almost all current front-wheel drive automobiles have some kind of strut suspension system. A popular one is the McPherson Strut Suspension. Strut mounts, also called bearing plates, are very important in the suspension chain as they attach a vehicle's strut system to the body of a car, van, or truck. The McPherson system has a mount between the chassis and the strut at the upper strut attachment point. Strut mounts are available in varying sizes and shapes. They are normally made of steel and rubber and function as vibration dampeners and help keep the suspension well-supported.

What is a strut?

A strut is an ordinary kind of damper that is utilized on independent suspension, front-wheel drive automobiles, and certain rear-wheel drive vehicles. Struts are used instead of shock absorbers, which are the usual suspension parts in a conventional system, and are built internally in a very similar way. A piston is attached to the end of a piston rod and works against hydraulic liquid to control the movement of the spring and suspension. The base of the strut body attaches to the steering knuckle, which is connected to a lower control arm assembly through a ball joint. Struts are normally made up of a coil spring that carries the weight of an automobile, a strut housing to give support for the assembly, and a damping unit in the housing to control the movement of the spring and suspension.

Why is it called a McPherson Strut system?

Earle S. McPherson of General Motors was able to come up with the McPherson strut in 1947. During that time, accountants were the ones who indirectly designed and developed all General Motor automobiles. If the cost of a vehicle was too expensive or if it hadn't undergone testing, then its production would not push through. It took some time before ground-breaking advancements, like the McPherson strut system, became available in the market because they couldn't be proven on a spreadsheet until they have been manufactured. Because of this kind of system, Earle McPherson left General Motors in 1950 and began to work with Ford U.K., where his design was immediately incorporated on the 1950 models!

How does it work?

Strut mounts serve two key functions. They are vibration dampeners and also permit the struts to pivot as needed when wheels of a vehicle are turned. Strut mounts have to be flexible enough to withstand slight angle changes and have the ability to dampen the movement of the upper end of the strut. The strut mount shifts the automobile’s load to the strut and spring, which makes the strut mount into a load carrier and the lower ball joint into a follower.

How do I know I need some?

Strut mounts that are in poor condition can cause handling, vibration, and ride-quality issues. There are different visual, audible, and performance-related signs that may point out that your strut mounts are worn-out. Other symptoms that may indicate that your strut mounts need to be replaced are: excessive roll or sway on corners, thumping sounds, stiffness in steering, uneven tire wear, and sagging or damaged rubber mounts. If you notice any of these things in your automobile, it would be best to have your strut mounts checked by an experienced mechanic.

Why Mevotech Strut Mounts?

Due to the fact that strut mounts are the most important components of a suspension system, Mevotech makes sure that they produce them with the highest quality. That is why Mevotech strut mounts are the finest ones that you can find in the market. They are exceptionally made with the following features:

  • Top-grade rubber to minimize noise and vibrations
  • Premium plate steel to withstand impact from road forces
  • Low resistance bearings to enable effortless turning

Most applications come with hardware and bearings. Some manufacturers that sell strut mounts do not include the required components that are needed to install them. Their products may be available at lower rates, but you still have to buy other parts to be able to complete the job. Mevotech provides full coverage of make and models, and also offers strut bumpers and bellows as accessories to the strut mount line.

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