Best Parts Store, Tucson

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11 CONVENIENT LOCATIONS TO SERVE YOU!

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Working Hours
  • Mon 7:30AM - 5:30PM
    Tue 7:30AM - 5:30PM
  • Wed 7:30AM - 5:30PM
    Thu 7:30AM - 5:30PM
  • Fri 7:30AM - 5:30PM
    Sat 8:00AM - 4:00PM
  • Sun Closed
***Come See us at our new Green Valley location - 19193 S Alpha Ave. Call us there at 520-648-5567!***

Merle's Automotive Supply Offers Auto Parts & Services You Can Count On!

Since 1969, Merle's Automotive Supply has provided motorists in the Tucson and Southern AZ area with comprehensive auto parts and services that include Counter Services, Hoses, Machine Shop and Tools & Equipment. Our goal is to offer the best auto parts and services available at affordable prices to get you back on the road in no time.

You'll be hard-pressed to find the same level of expertise that our specialists provide! We sell parts for both domestic and import vehicles of all makes and models and can work with you to find the right part at the right price.

To learn more about the superior parts we offer, please contact us by phone at 520-889-7202 for our 4015 S. Dodge Blvd. location or click here for a list of all eleven of our convenient locations. We also invite you to learn more about our dedication to you, our valued customer.


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    Merle's Automotive Supply | Arizona Daily Star 2020 Reader's Choice Favorite Award


    Click on the links below for Training Videos!



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    Merle's Automotive Supply | 12 Convenient Locations | Click Here For Details

    What People Say About Us

    Tucson
    • reviewiconTucson, Arizona
      , 11/01/2020

      Merle's has been an integral part of our business from day one. Parts, supplies, even shop equipment and lifts. They understand the high level of service that repair shops need, and meet or exceed it on a daily basis.

    • reviewiconTucson, Arizona
      , 11/04/2020

      Merle's has provided stellar service for decades in Tucson and the surrounding communities. The parts counter staff is very knowledgeable and will go above and beyond the call of duty. Mele's has always provided us with top quality parts, equipment and equipment repair / maintenance. We are honored to have Merle's as a part of our family.

    Tucson
    • reviewiconEngine & Transmission, near Tucson, Arizona
      , 10/22/2020

      Merle's has been our #1 supplier for 20 years and counting. They're professional and knowledgeable and understand what the word 'service' is all about. They're more than just a supplier, they're part of our business model and part of our family.

    • reviewiconEngine & Transmission, near Tucson, Arizona
      , 11/01/2020

      Merle's has been an integral part of our business from day one. Parts, supplies, even shop equipment and lifts. They understand the high level of service that repair shops need, and meet or exceed it on a daily basis.

  • According to recent studies, 5 percent of all motor vehicle fatalities are clearly caused by automobile maintenance neglect.
  • The cooling system should be completely flushed and refilled about every 24 months. The level, condition, and concentration of coolant should be checked. (A 50/50 mix of anti-freeze and water is usually recommended.)
  • Never remove the radiator cap until the engine has thoroughly cooled. The tightness and condition of drive belts, clamps and hoses should be checked by a pro.
  • Change your oil and oil filter as specified in your manual, or more often (every 3,000 miles) if you make frequent short jaunts, extended trips with lots of luggage or tow a trailer.
  • Replace other filters (air, fuel, PCV, etc.) as recommended, or more often in dusty conditions. Get engine drivability problems (hard stops, rough idling, stalling, diminished power, etc.) corrected at a good shop.
  • A dirty windshield causes eye fatigue and can pose a safety hazard. Replace worn blades and get plenty of windshield washer solvent.
  • Have your tires rotated about every 5,000 miles. Check tire pressures once a month; let the tires cool down first. Don't forget your spare and be sure your jack is in good condition.
  • Check your owner's manual to find out what fuel octane rating your car's engine needs then buy it.
  • Keep your tires inflated to the proper levels. Under-inflated tires make it harder for your car to move down the road, which means your engine uses more fuel to maintain speed.
  • Lighten the load. Heavier vehicles use more fuel, so clean out unnecessary weight in the passenger compartment or trunk before you hit the road.
  • Use the A/C sparingly. The air conditioner puts extra load on the engine forcing more fuel to be used.
  • Keep your windows closed. Wide-open windows, especially at highway speeds, increase aerodynamic drag and the result is up to a 10% decrease in fuel economy.
  • Avoid long idling. If you anticipate being stopped for more than one minute, shut off the car. Contrary to popular belief, restarting the car uses less fuel than letting it idle.
  • Stay within posted speed limits. The faster you drive, the more fuel you use. For example, driving at 65 miles per hour (mph) rather than 55 mph, increases fuel consumption by 20 percent.
  • Use cruise control. Using cruise control on highway trips can help you maintain a constant speed and, in most cases, reduce your fuel consumption.
  • Keep your engine tuned. A fouled spark plug or plugged/restricted fuel injector can reduce fuel efficiency as much as 30 percent.
  • Inspect the engine's belts regularly. Look for cracks or missing sections or segments. Worn belts will affect the engine performance.
  • Have the fuel filter changed every 10,000 miles to prevent rust, dirt and other impurities from entering the fuel system.
  • Change the transmission fluid and filter every 15,000 to 18,000 miles. This will protect the precision-crafted components of the transmission/transaxle.
  • Inspect the suspension system regularly. This will extend the life of the vehicle's tires.
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