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Mazda Distributors

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Distributors

Mazda Distributors

What is a Distributor and where is it Located?

Before auto manufacturers moved to using individual coils per cylinder, the distributor was an important part of the ignition system. The distributor would tell the ignition coil at what moment when to fire and transfer the energy from the coil to a specific engine cylinder in order for engine ignition to occur. Older classic vehicles used breaker points and a condenser for this process (mechanical ignition system), whereas later models used electronic systems that relied on an ignition module and the engine’s computer for more precise timing (electronic ignition system). In modern automobiles, the distributor is no longer necessary as they are equipped with a distributorless ignition system, also referred to as a direct ignition system (DIS). In vehicles that do use a distributor assembly, it is located on top of the engine, either in front or in back of it depending upon the car or truck.

So how does an automobile distributor work exactly? Basically, electricity from the battery is transferred to the ignition coil, and the distributor takes the high voltage output from the ignition coil and feeds it through the ignition wires to the spark plugs that are inserted into each engine cylinder in the order of the firing sequence. The distributor uses the rotation of the engine’s camshaft, which it connects to via the distributor shaft, to spin the distributor rotor, which connects directly to the ignition coil, close to (but not touching) the individual cylinder points (or posts) underneath the distributor cap. Each of the points are connected via a spark plug wire – which connect to the top of the distributor cap via plug terminals - to the spark plug(s) screwed into each engine cylinder, and are arranged along with the wires according to the engine cylinders' correct firing order sequence. As the rotor spins within the distributor, electrical current is able to jump the gaps between the rotor arm and the individual contact points due to the high voltage created by the ignition coil. The electrical current is then transferred from the rotor to the spark plug wire, and then to each spark plug attached to each engine cylinder according to the firing order, allowing for proper ignition spark at just the right time for the engine to start.

When is a Distributor Replacement Needed?

There are many components in an automotive distributor assembly, such as a coil, cap, rotor, pickup, ignition module, bearings, etc., and any of these parts are subject to wear and tear. Because of this, there are a variety of reasons why a distributor may need to be replaced. For models that have built in ignition modules, it can be more cost and time effective to replace the entire distributor assembly than to diagnose and replace just the electronic components. Worn bearings in the distributor shaft can cause erratic timing issues or ignition misfires. Bad internal seals can allow oil or moisture to get inside the housing and cause damage to vital components. These are but a few reasons for car distributor failure.

If your car or truck uses an ignition system that depends on an ignition distributor and it has failed, your engine will not be able to function properly, or at all, and thus your car won’t start when you turn the ignition key. Therefore, obtaining an ignition distributor replacement and getting it installed is imperative if you plan on driving your vehicle ever again.

Can I Replace a Distributor Myself?

Replacing an auto distributor does require some intermediate understanding of the ignition and electrical system, but can be done by a do-it-yourselfer. A timing light, firing order, and top dead center are all terms that should be well understood before removing the distributor. Incorrect installation can cause permanent engine damage, so a repair or service manual is a very important tool to assure a properly executed fix.

Need a Distributor Replacement for your Vehicle?

There are many components in a distributor assembly and when any one of them starts to go bad, it can cause your vehicle to run rough, idle poorly, stall, make popping noises, or hard start. You can take care of all the problems of a bad distributor component by installing a totally new ignition distributor replacement from 1A Auto in your car or truck.

At 1A Auto, you will find a large selection of aftermarket distributors for many makes and models, at great prices. All of our distributors consist of brand new – not rebuilt - components so that there is no guesswork involved, saving you both time and money. In addition, each ignition distributor is backed by a limited 1 year manufacturer's warranty. If you are in need of a replacement distributor for your car, truck, SUV or van, then you have certainly come to the right place.

Shopping for an aftermarket distributor replacement is also incredibly easy at 1A Auto - we're here to help you select the right part for your vehicle! Call our customer service toll free at 888-844-3393 if you have any questions about our distributors, warranty, compatibility or to purchase, or you can buy online right here at 1aauto.com. Get your vehicle up and working again and order a new aftermarket distributor from 1A Auto today!


Welcome to 1A Auto....
For more than 50 years, the Green family has been installing and using the same high quality auto parts that you'll find on our website. We actually use the parts we sell, and we've been selling online since 1999. Our company's mission is to make your car projects go smoothly, and to become your trusted source for auto parts. To this end, we treat our customers like family.

We employ USA based, knowledgeable support technicians. They'll help you through your project. We always make sure you get the right part. And we boast the industry's most generous returns policy. You won't find a company more passionate about auto parts than 1A Auto.
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