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Mazda 3 Auto Parts

Auto Parts for Mazda 3

Keep your Mazda 3 running efficiently with high-quality auto parts from Sixity Auto. Whether you're replacing worn-out spark plugs for optimal fuel combustion, upgrading your suspension with durable shocks and struts, or installing a new alternator for reliable power, we have the right components. Shop now for premium Mazda 3 replacement parts at great prices.

Spark PlugsSpark Plugs
Spark Plugs
Ignition CoilsIgnition Coils
Ignition Coils
Timing KitsTiming Kits
Timing Kits
Shocks & StrutsShocks & Struts
Shocks & Struts
CV AxlesCV Axles
CV Axles
Wheel BearingsWheel Bearings
Wheel Bearings
SensorsSensors
Sensors
Drive Belt ComponentsDrive Belt Components
Drive Belt Components
Water PumpsWater Pumps
Water Pumps
AlternatorsAlternators
Alternators
FiltersFilters
Filters
Clutch ComponentsClutch Components
Clutch Components
Fuel PumpsFuel Pumps
Fuel Pumps
Heater HosesHeater Hoses
Heater Hoses
BrakesBrakes
Brakes
Serpentine BeltsSerpentine Belts
Serpentine Belts
Steering ComponentsSteering Components
Steering Components
GasketsGaskets
Gaskets
Exhaust ComponentsExhaust Components
Exhaust Components
ThermostatsThermostats
Thermostats
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free shipping on eligible items at sixityauto.com

FAST & FREE SHIPPING
On eligible items

At SixityAuto.com, we offer free shipping on thousands of eligible items. We also ship FAST. Over 99% of all items ordered will ship within one business day. Plus, we ship from our strategically located warehouses on the East and West Coast to save precious shipping time.

100% fitment guarantee at sixityauto.com

100% FITMENT GUARANTEE
Your parts will fit as advertised

Shop with confidence, knowing that your purchase from Sixity Auto will fit your vehicle. If after purchase you determine that your part does not fit the vehicle we advertised, simply contact us to initiate a return. We want your parts to fit!

5-star customer rated at sitejabber

RAVE REVIEWS
5-Star Rated on Sitejabber

Don't take it from us - check out our feedback from our customers! Sixity Auto has partnered with Sitejabber, the industry leader in tracking customer loyalty and feedback, to bring genuine product and customer service reviews.

Plus read thousands of authentic reviews on Trustpilot, Google, Reseller Ratings, the Better Business Bureau, and more!

call sixity auto 8am to 8pm Eastern, Monday through Friday

WE'RE HERE TO HELP
(888) 679-6279
Monday through Friday, 8am-8pm Eastern

We speak your language. Our staff has decades of experience selling auto parts to enthusiasts like you. Whether it's for your car, truck, or van, we have staff on hand that can answer your questions and make sure you get the part you're looking for.

For phone sales or help with product fitment questions, our U.S.-based customer service staff in California and Indiana is available weekdays, 8am-8pm ET.

tax exempt shopping available for businesses

BUILT FOR BUSINESS
Tax-exempt shopping available

Sixity Auto works with a wide range of business customers—from repair shops and dealerships to fleet operators, government organizations, and others that purchase parts for resale or operational use.

If you are a qualified tax-exempt or resale customer, submit your documentation and we'll set you up for tax-free shopping. Check out all the details here.

military members and vets save 10% every day

MILITARY DISCOUNT
Save 10% on every purchase

Sixity Auto is proud to support our Active-Duty Service Members, Vets, and their immediate families. To show a token of our thanks, we extend a 10% discount on your entire purchase, every single day.

We use VerifyPass (formerly ID Discount) to help us manage our Military Discount program. Click here for all the details!

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© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.

© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.