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That knocking sound under the hood of your Mazda B is worrying you, and it should. Along with several other signs, knocking and bubbling noises indicate that your pick-up's thermostat isn't working like it should. The Mazda B thermostat regulates the engine temperature, so it's an important part that needs to be replaced quickly if it's faulty. If you need a high-quality replacement, AutoZone has you covered.

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  • Part Number: 7240-160
  • Application: Alternate temperatures
  • Notes: 160 °F (71 °C)
    Engineered to permit continuous flow of coolant when overheating occurs.
  • Part Number: 7240-180
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
    Engineered to permit continuous flow of coolant when overheating occurs.
  • Part Number: 15868
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
  • Part Number: 3868
  • Application: OE recommended temperature
  • Notes: 180 °F (82 °C)
  •  | Page 1 of 1 |  

Besides engine noises, a broken or damaged thermostat also causes overheating, since B thermostats determine the timing and amount of coolant that keeps your engine at the right temperature. Before overheating causes permanent and expensive damage, invest in a thermostat replacement for Mazda B trucks from AutoZone. With trustworthy advice provided by helpful staff, you get the parts and help you need to get your truck running smoothly. If you don't have the tools you need to replace the Mazda B thermostat, take advantage of our handy Loan-a-Tool program and keep your repair costs low. You can benefit from free battery charging and engine diagnostic testing at the same time.

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