Looking for the best engine control modules to optimize your vehicle’s performance? We’ve researched and tested top-rated options, from GM Genuine Parts to reliable aftermarket solutions, to help you find the perfect fit with easy installation tips and cost-effective choices.
Engine control modules are the brain of your vehicle, managing vital systems for smooth performance. Choosing the right one ensures your car runs efficiently and reliably.
We’ve researched and tested the best engine control modules to help you make an informed decision. From GM Genuine Parts to reliable aftermarket options, we’ve got you covered.
Discover top-rated modules, easy installation tips, and cost-effective solutions. Let’s find the perfect fit for your vehicle!
List of Top 10 Engine Control Modules
| Image | Title | Best For | Price |
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GM Genuine Parts 216-140 (12612397) Engine Control Module |
This part is ideal for car owners who need a genuine GM replacement part. It keeps your engine running strong. |
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GM Genuine Parts 12633238 Engine Control Module |
This is perfect for GM owners who need a genuine GM part. A mechanic must program and set up the part. |
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X AUTOHAUX Ignition Control Module for Buick for Chevrolet for Pontiac for Oldsmobile 3.8L V6 Replace 10469470 10475225 10494012 D1940A D1977A |
This part is perfect for Buick, Chevrolet, Pontiac, and Oldsmobile 3.8L V6 owners with stall or ignition faults. It is best for DIY repair. |
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GM Genuine Parts 12692200 Engine Control Module Assembly |
This GM Genuine Parts Engine Control Module Assembly is perfect for GM vehicle owners who need a reliable replacement part. It’s designed to fit and work just like the original, ensuring your vehicle runs smoothly and safely. |
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SMMS Engine Ignition Control Module & Ignition Coils (3PCS) for Buick for Chevrolet for Pontiac for Oldsmobile 3.8L V6, Replace OE 12617924 10469470 10475225 10494012 D1940A D1977A |
This product is perfect for car owners with Buick, Chevrolet, Pontiac, or Oldsmobile models needing reliable ignition parts. It’s easy to install and works well in hot engine conditions. |
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ACDelco GM Original Equipment 12700116 Engine Control Module |
This ACDelco GM Original Equipment Engine Control Module is perfect for GM vehicle owners who need a reliable replacement part. It’s ideal for those seeking quality, durability, and a perfect fit for their vehicle’s vital systems. |
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EZGO OEM EX1 Engine Controller for RXV and TXT EX1 EFI Models, Direct Replacement, 2020-2026 |
This EZGO OEM EX1 Engine Controller is perfect for owners of 2020–2026 E-Z-GO RXV EX1 and 2020–2022 TXT EX1 models with the 680364 Kymco EX1 EFI gasoline engine. It’s a direct replacement that requires no programming or modifications, making it easy to install and reliable for long-term use. |
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GM Genuine Parts 12625455 Engine Control Module |
This GM Genuine Parts Engine Control Module is perfect for GM vehicle owners who need a reliable replacement part. It’s made to fit and work just like the original, ensuring your vehicle runs smoothly and safely. |
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GM Genuine Parts 12678511 Engine Control Module Assembly |
This GM Genuine Parts Engine Control Module Assembly is perfect for GM vehicle owners who need a reliable replacement part. It’s made to fit your GM car perfectly and keeps your vehicle running smoothly. |
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GM Genuine Parts 12692865 Engine Control Module Assembly |
This engine control module is perfect for GM vehicle owners who want reliable, high-performance parts. It’s designed to keep your car running smoothly and meets GM’s strict standards. |
Detailed Reviews
Discover the top 10 Engine Control Modules carefully selected for performance and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Whether you prioritize reliability, affordability, or ease of installation, this guide has you covered.
1. GM Genuine Parts 216-140 (12612397) Engine Control Module

This Engine Control Module, part number 216-140 (12612397), helps run vital vehicle systems. It meets GM OE standards for the right fit and function.
It is a GM-recommended replacement for the original factory part. It may need programming or a special setup to work correctly.
Check the vehicle fit first. Follow GM service steps. Have a qualified technician do the setup.
| Pros | Cons |
|---|---|
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Perfect For:
This part is ideal for car owners who need a genuine GM replacement part. It keeps your engine running strong.
Ready to Purchase?
2. GM Genuine Parts 12633238 Engine Control Module

The GM Genuine Parts 12633238 Engine Control Module is a critical component for your vehicle. It controls vital systems, ensuring your car runs smoothly. This part is GM-recommended, designed to fit perfectly.
It requires special programming and setup for proper operation. Follow GM Service Information for the right procedures and tools.
| Pros | Cons |
|---|---|
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Perfect For:
This is perfect for GM owners who need a genuine GM part. A mechanic must program and set up the part.
Ready to Purchase?
3. X AUTOHAUX Ignition Control Module for Buick for Chevrolet for Pontiac for Oldsmobile 3.8L V6 Replace 10469470 10475225 10494012 D1940A D1977A

The X AUTOHAUX Ignition Control Module is a reliable replacement for your vehicle’s ignition system. It fits Buick, Chevrolet, Pontiac, and Oldsmobile models with a 3.8L V6 engine.
This module solves common issues like flameout and stall. It improves ignition reliability and is easy to install. The connector allows for direct replacement.
Made of durable materials, it features a heat-dissipating backplane. This prevents premature failure and ensures stable, reliable performance. A cost-effective solution for your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This part is perfect for Buick, Chevrolet, Pontiac, and Oldsmobile 3.8L V6 owners with stall or ignition faults. It is best for DIY repair.
Ready to Purchase?
4. GM Genuine Parts 12692200 Engine Control Module Assembly

The GM Genuine Parts 12692200 Engine Control Module Assembly is a critical component for your vehicle. It controls vital systems, ensuring your car runs smoothly.
This part requires programming and special setup. Follow GM Service Information for proper installation. It’s designed for GM vehicles, fitting perfectly.
The module is manufactured to GM standards. It matches the original factory part in fit and function. Trust it for reliable performance.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Engine Control Module Assembly is perfect for GM vehicle owners who need a reliable replacement part. It’s designed to fit and work just like the original, ensuring your vehicle runs smoothly and safely.
Ready to Purchase?
5. SMMS Engine Ignition Control Module & Ignition Coils (3PCS) for Buick for Chevrolet for Pontiac for Oldsmobile 3.8L V6, Replace OE 12617924 10469470 10475225 10494012 D1940A D1977A

The SMMS Ignition Control Module is perfect for Buick, Chevrolet, Pontiac, and Oldsmobile 3.8L V6 engines. It comes with 3 ignition coils for complete compatibility. This kit replaces OE numbers like 12617924 and 10469470, ensuring a perfect fit.
This module controls spark timing and manages ignition coils for smooth engine startup. It’s heat resistant and works well in extreme temperatures. Installation is easy, with a plug-and-play design.
Enjoy a 30-day return policy and a 12-month warranty. Your purchase is risk-free and fully supported.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for car owners with Buick, Chevrolet, Pontiac, or Oldsmobile models needing reliable ignition parts. It’s easy to install and works well in hot engine conditions.
Ready to Purchase?
6. ACDelco GM Original Equipment 12700116 Engine Control Module

This engine control module manages your vehicle’s systems. It tells parts how to work together. You need this GM OE replacement.
It dictates your car’s performance. Every part follows its commands. You get GM quality and reliability.
This part needs special setup procedures. It fits your GM vehicle perfectly.
| Pros | Cons |
|---|---|
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Perfect For:
This ACDelco GM Original Equipment Engine Control Module is perfect for GM vehicle owners who need a reliable replacement part. It’s ideal for those seeking quality, durability, and a perfect fit for their vehicle’s vital systems.
Ready to Purchase?
7. EZGO OEM EX1 Engine Controller for RXV and TXT EX1 EFI Models, Direct Replacement, 2020-2026

This Genuine OEM EX1 engine controller is a direct replacement for your E-Z-GO golf cart. It requires no programming or modifications to install. Simply bolt it in place of your old unit. It fits 2020-2026 E-Z-GO RXV EX1 and 2020-2022 TXT EX1 models with the 680364 Kymco EX1 EFI engine. It also features a larger heat sink for better cooling and enhanced sealing to protect against moisture and vibration.
Controller assembly only; wiring harnesses are not included. This part does NOT fit carbureted vehicles or those with Kawasaki EFI engines.
| Pros | Cons |
|---|---|
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Perfect For:
This EZGO OEM EX1 Engine Controller is perfect for owners of 2020–2026 E-Z-GO RXV EX1 and 2020–2022 TXT EX1 models with the 680364 Kymco EX1 EFI gasoline engine. It’s a direct replacement that requires no programming or modifications, making it easy to install and reliable for long-term use.
Ready to Purchase?
8. GM Genuine Parts 12625455 Engine Control Module

Get the power you need with this GM-recommended replacement ECU. It matches your vehicle’s original factory component for reliable performance.
This part controls vital systems in your car. Setup requires care. Follow GM Service Information for correct installation.
Your ride runs smooth. Trust the quality GM OE specification guarantees.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Engine Control Module is perfect for GM vehicle owners who need a reliable replacement part. It’s made to fit and work just like the original, ensuring your vehicle runs smoothly and safely.
Ready to Purchase?
9. GM Genuine Parts 12678511 Engine Control Module Assembly

Replace your Old ECM with this GM Original Equipment part. This component directs your Car’s systems for best performance. The part meets GM standards for perfect fit and function.
You must use special tools and programming to install this part. Trust GM quality for reliable results with your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This GM Genuine Parts Engine Control Module Assembly is perfect for GM vehicle owners who need a reliable replacement part. It’s made to fit your GM car perfectly and keeps your vehicle running smoothly.
Ready to Purchase?
10. GM Genuine Parts 12692865 Engine Control Module Assembly

The GM Genuine Parts 12692865 Engine Control Module Assembly is a critical component for your vehicle. It dictates the operation of vital systems, ensuring optimal performance.
This part is designed, engineered, and tested to rigorous standards by General Motors. It may have formerly appeared as ACDelco GM Original Equipment (OE), offering trusted quality.
GM regularly updates its parts to integrate new materials and technologies. This ensures reliable performance and longevity for your vehicle.
| Pros | Cons |
|---|---|
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Perfect For:
This engine control module is perfect for GM vehicle owners who want reliable, high-performance parts. It’s designed to keep your car running smoothly and meets GM’s strict standards.
Ready to Purchase?
Buying Guide
Choosing the right engine control module keeps your car running smoothly. It’s the brain of your vehicle, managing vital systems.
Here’s what to consider when buying:
- Compatibility: Check if the module fits your make, model, and engine type. Always verify the part number to ensure a perfect match.
- Quality: Opt for genuine parts or trusted brands for reliability. Aftermarket options can be cost-effective but check reviews first.
- Programming Needs: Some modules require special programming or setup. Ensure you have access to the right tools or a qualified technician.
- Installation: Look for plug-and-play designs for easy installation. Avoid modules needing complex modifications.
- Durability: Choose modules with heat-resistant materials and enhanced sealing to prevent premature failure.
- Warranty: A warranty or return policy adds peace of mind. It protects your investment if issues arise.
- Cost: Balance quality with budget. Cost-effective solutions exist, but don’t compromise on performance.
With these factors in mind, you’ll find the perfect engine control module for your vehicle. Drive with confidence!