1990 Mazda RX-7 Engine Control Modules (ECM)

Keep Your 1990 Mazda RX-7 in Top Shape with a Quality Engine Control Modules (ECM)

When it comes to maintaining or upgrading your 1990 Mazda RX-7, 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 RX-7. 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 1990 Mazda RX-7 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 Camshafts and Oil Cooler Parts to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1990 Mazda RX-7 running smoothly and looking great.

Looking for the perfect Engine Control Modules (ECM) for your 1990 Mazda RX-7? You’re in the right place. Below, you’ll find a Engine Control Modules (ECM) from a trusted manufacturer that is a perfect fit for your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Control Modules (ECM)s, ensuring durability and a precise fit for your Mazda RX-7. Whether you’re driving a 1990 model or another popular model year like 1986, 1987, 1988, 1989, and 1991, we’ve got you covered. Purchasing Engine Control Modules (ECM)s from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Control Modules (ECM)s that fit your vehicle.

Popular 1990 Mazda RX-7 Engine Control Modules (ECM) Categories

Engine Control Module Relays

Most Popular Engine Control Module Relay for 1990 Mazda RX-7s

Enhance your 1990 Mazda RX-7 with this popular Engine Control Module Relay we have in stock, for $84.99.

show more show less

from

$84.99

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:

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 1990 Mazda RX-7 Engine Control Modules (ECM)s

What’s the price range for 1990 Mazda RX-7 Engine Control Modules (ECM)?

We currently have just one Engine Control Modules (ECM) for the 1990 Mazda RX-7 in stock: Multi-Purpose Relay and it costs $84.99.

Does Advance Auto Parts sell Engine Control Modules (ECM) for other Mazda RX-7 model years?

Yes, we carry Engine Control Modules (ECM) for 4 model years of Mazda RX-7s between 1986 and 1991. The following model years are the most popular for Engine Control Modules (ECM) purchases: 1987, 1986, 1991, 1988, and 1989.

Does Advance Auto Parts sell Engine Control Modules (ECM) for any other 1990 Mazda models?

Yes. We stock Engine Control Modules (ECM) for 7 other popular 1990 Mazda models. Some of the most popular are 1990 B2600 Engine Control Modules (ECM), 1990 Protege Engine Control Modules (ECM), 1990 323 Engine Control Modules (ECM), 1990 B2200 Engine Control Modules (ECM), and 1990 Miata Engine Control Modules (ECM).

What types of Engine Control Modules (ECM) do you sell for my 1990 Mazda RX-7?

We currently have just 1 Engine Control Modules (ECM) in stock for a 1990 Mazda RX-7, and as of 11/2/25, it is an Engine Control Module Relay.

Can I get help with 1990 Mazda RX-7 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 RX-7 Engine Control Modules (ECM)?

Advance Auto Parts keeps returns simple. For new Mazda RX-7 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.