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Distributor Cap

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Distributor Cap Products

Purchasing quality distributor caps and rotors is a must to ensure that the product you buy does what it has been designed to do. Our supply of distributor caps and rotors offers a superior surface finish that withstands carbon tracking to ensure that they will last a long time. The high quality texture of our caps and rotors also ensures that wetness and grime are held at bay which helps to extend the life of these parts significantly. You can shop right online for the best distributor caps and rotors and save money too. We buy directly from leading manufacturers to save you money. As wholesalers, we buy all our parts at a discount and pass real savings on to you. Everything we sell is listed right online; please visit our online catalog to select your vehicle's new distributor cap and rotor. Our story is always open and we have online assistants standing by who can answer your questions. Place your order now and we will begin to process it right away. We ship directly to your address and shipping is always free on orders of $50 or more. Shop the Auto Parts Warehouse for the best selection and the lowest prices.

Buying Guides

Date Published :

Dos and Don'ts of Buying a New Distributor Cap

You may not see your distributor cap as one of your ride's important components, but it plays a very crucial role in your engine's performance. If this part becomes defective, the ignition sequence inside the engine will be disrupted. You'll notice excessive shaking, difficulty in starting, and high-pitched squealing noise. You'll also experience stalling and backfiring as well as turning over when the engine is cold. If you observe one or some of these signs, you'd better look for a new distributor cap and have your damaged component replaced.

Here are some dos and don'ts to bear in mind when purchasing a new catalytic converter:


  • Do find out the kind of distributor cap that's compatible with your vehicle's ignition system. Much like other auto components, a good fit ensures superior performance.
  • Do choose a distributor cap with high-quality construction to be sure that moisture and grime are held at bay. This will significantly extend the service life of the distributor and other ignition and engine parts.
  • Do prefer a distributor cap that fits your driving requirements. If your ignition system is set up for racing or high-performance street use, purchase a cap that can deliver more than or even twice the dielectric strength of your stock cap.
  • Do check the distributor cap's warranty. It must come with at least 90-day or 3,000-mile warranty. Go for a unit that offers better coverage without additional cost.


  • Don't buy a remanufactured distributor cap without checking the materials it is made of. A cap that's made out of substandard materials may not be able to deliver high performance and long service life.
  • Don't compromise quality for price. Bear in mind that in purchasing auto parts, you get what you pay for. So if you want superior quality, you must be willing to shell out a few more bucks for it.
  • Don't invest much on the distributor cap's appearance. The market now carries distributor caps designed to add a distinct look to your engine compartment. If they cost more than a high-quality yet plain-looking cap, that additional price won't be worth it except if you always show off your engine to your friends.

The distributor cap doesn't call for frequent replacement, though there are drivers who change it every time they have their spark plugs changed. It is wise to have your distributor cap replaced once in every two years or every 15,000 miles.

Repair Guides

Date Published :

How to Install a New Distributor Cap

Over time, your car's distributor cap will succumb to heat and vibrations. Even if it's durable enough to withstand breakage or cracks, the distributor cap can also still fail due to eroded metal terminals and carbon deposits. When this happens, the ignition process will be interrupted, making your ride unable to start.

Has your stock distributor cap seen better days? Here are the steps in replacing it:

Difficulty level: Moderate

What you'll need:

  1. Adjustable wrench
  2. Screwdriver
  3. New distributor cap and rotor

Step 1: Locate the distributor cap. It's easy to find because there are four, six, or eight spark plug wires attached to it, plus another wire going to the ignition coil.

Step 2: Loosen the clips or screws that secure the cap to the distributor housing. With the spark plug wires still attached, loosen and remove the old distributor cap.

Step 3: If there is enough slack in the wires, set the cap aside. You can detach the coil wire if you want to move the cap further so that it won't get in your way.

Step 4: Take the old rotor off and install the replacement unit in its place.

Step 5: Put the new distributor cap in place of the stock.

Step 6: Remove the spark plug wires from the old cap and attach them to the new cap. Start with the wire next to the #1 plug indicator and proceed sequentially in a clockwise rotation. Randomly disconnecting the wires is not recommended as this will increase your chances of connecting a wire to the wrong terminal. If you hear a click, that means the wire is completely secured to the plug.

Step 7: Start your vehicle to see if it runs smoothly. Check for misfires or backfiring.

The installation will take about an hour for a professional DIYer and around two hours for a beginner.

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