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2018 Mazda Mazda3 parts

Common replacement parts for the 2018 Mazda Mazda3, what usually wears out, a general maintenance schedule, and where to shop. Parts can differ by engine, trim and build date, so confirm fitment with your VIN before you buy.

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Popular parts

Brakes

Ignition & Starting

Electrical & Charging

Cooling

Belts & Pulleys

Serpentine Belt

Engine

Fuel System

Air Intake & Turbo

Maintenance

Exhaust & Emissions

Catalytic Converter

Sensors & Modules

Steering

Outer Tie Rod End

Suspension

Drivetrain & Axles

CV Axle Shaft

Heating & A/C

Lighting

Body & Exterior

Wiper Blades

General maintenance schedule

These are common starting intervals, not a factory schedule for your engine. Your owner's manual always wins.

Engine oil & filter	Every 5,000 miles or 6 months Use the oil grade and spec in your owner's manual. Some engines allow longer.
Tire rotation	Every 7,500 miles or 6 months Also a good time to check tread depth and pressures.
Brake inspection	Every 12,000 miles or 1 year Pads, rotors, lines and fluid level.
Cabin air filter	Every 15,000 miles or 1 year Sooner if the airflow smells musty or feels weak.
Engine air filter	Every 20,000 miles or 2 years Sooner on dusty or gravel roads.
Wiper blades	Every 1 year
12V battery test	Every 3 years Most 12V batteries last 3 to 5 years. Test before winter.
Brake fluid flush	Every 30,000 miles or 2 years Brake fluid absorbs moisture over time.
Spark plugs	Every 60,000 miles Iridium or platinum plugs often go 100,000 miles. Check the manual.
Transmission fluid	Every 60,000 miles Interval varies a lot by transmission. Check the manual.
Coolant flush	Every 60,000 miles or 5 years Some long-life coolants go 100,000+ miles.
Serpentine belt	Every 90,000 miles Inspect for cracks at every oil change.
Timing belt (if equipped)	Every 90,000 miles or 7 years Skip if your engine has a timing chain. Check the manual.

Safety recalls

NHTSA lists 4 recalls for the 2018 Mazda Mazda3. Recalls apply by model year, and not every vehicle of that year is affected. Check your own VIN at nhtsa.gov/recalls.

VISIBILITY:WINDSHIELD WIPER/WASHER (19V272000): Mazda North American Operations (Mazda) is recalling certain 2016-2018 Mazda3 vehicles. A defective windshield wiper relay may cause the windshield wipers to become inoperative, reducing the driver's visibility.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM (17V745000): Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3 vehicles, equipped with an incorrect exhaust valve spring. The incorrect exhaust valve spring may fail while driving, potentially causing an en…
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP (21V875000): Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles. The impeller inside the low-pressure fuel pump may crack and def…
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA (23V487000): Mazda North American Operations (Mazda) is recalling certain 2014-2018 Mazda3 and 2016-2021 CX-3 vehicles. The rearview camera image may not display properly by showing a flickering or distorted image.

Other Mazda Mazda3 years

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