2004 Mazda 3 Engine Control Modules (ECM)
Keep Your 2004 Mazda 3 in Top Shape with a Quality Engine Control Modules (ECM)
When it comes to maintaining or upgrading your 2004 Mazda 3, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Engine Control Modules (ECM) for your 3. We currently carry a top Engine Control Modules (ECM) in stock that is built to last. Whether you’re replacing a damaged Engine Control Modules (ECM) or looking to upgrade, our selection for the 2004 Mazda 3 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.
Explore Related Parts
And while you’re here, don’t forget to check out related part categories like Engine Gaskets and Seals and Engine Timing Parts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2004 Mazda 3 running smoothly and looking great.
Popular 2004 Mazda 3 Engine Control Modules (ECM) Categories
Most Popular Computer Control Relay for 2004 Mazda 3s
Enhance your 2004 Mazda 3 with this popular Computer Control Relay we have in stock, for $29.99.
Carquest Premium – Multi-Purpose Relay (Part No.RAA1941)
from
$29.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
Product Features:
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Product Features:
- Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
- Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
- Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
- Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
- 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
- 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
FAQs for 2004 Mazda 3 Engine Control Modules (ECM)s
What’s the price range for 2004 Mazda 3 Engine Control Modules (ECM)?
We currently have just one Engine Control Modules (ECM) for the 2004 Mazda 3 in stock: Multi-Purpose Relay and it costs $29.99.
What types of Engine Control Modules (ECM) do you sell for my 2004 Mazda 3?
We currently have just 1 Engine Control Modules (ECM) in stock for a 2004 Mazda 3, and as of 11/2/25, it is a Computer Control Relay.
Can I get help with 2004 Mazda 3 Engine Control Modules (ECM) orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mazda Engine Control Modules (ECM) and more.
What is your return policy for Mazda 3 Engine Control Modules (ECM)?
Advance Auto Parts keeps returns simple. For new Mazda 3 Engine Control Modules (ECM) and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.