Best Quality Used ECM
Nationwide Shipping + Warranty
Find Exact-Match Used Engine Control Modules at Wholesale Prices—Up to 75% Cheaper!
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About Best Quality Used Engine Control Modules
At Best Quality Auto Parts, we carefully select our used ECMs from vehicles that are being dismantled or have had parts replaced. Even though these ECMs are used, they are fully functional and provide a cost-effective option compared to brand-new ones. We test each ECM thoroughly to ensure it works properly before offering it for sale.
What is a Used Engine Control Module (ECM)?
A used Engine Control Module (ECM), also known as an Engine Control Unit (ECU), is a key part of modern cars. It acts like a computer, managing the engine to keep it running smoothly and efficiently.
Choosing the Right ECM
Compatibility is crucial when picking a used ECM. Each ECM is made for specific vehicle makes, models, and years. To ensure it works correctly, the ECM must match your vehicle’s specifications, including part number and software version. Using the wrong ECM can cause problems like poor fuel efficiency, reduced engine performance, or damage to other parts.
At Best Quality Auto Parts, we understand how important a good ECM is for your vehicle. Our used ECMs are tested and checked for quality to meet high standards. We are committed to providing reliable and compatible ECMs to keep your vehicle running at its best.
What Sets Us Apart
Unbeatable Wholesale Rates
Save up to 25% compared to dealership prices on used transmissions.
Quality-Assured Parts
Every used transmission undergoes rigorous testing before it’s shipped to you.
Nationwide Delivery
We deliver used transmissions across the USA and Canada.
Premium Warranty Coverage
Our used transmissions come with up to 3 years of warranty.
Best Quality Used Engine Control Module (ECM)
Ordering Your Used Automotive Control Units
When you order a used ECM (Electronic Control Module), Theft Control Module, Airbag Control Module, Body Control Module (BCM), Transmission Control Module (TCM), or any other automotive control unit from us, each part is thoroughly tested before shipping. We ensure that these parts come from well-running vehicles and are fully functional.
For the best results, please provide:
- The exact part number
- Vehicle Identification Number (VIN)
- A picture of the part (if possible)
We specialize in used ECMs for various brands, including: Acura, Audi, BMW, Chrysler, Dodge, Eagle, Fiat, Ford, Geo, Honda, Hyundai, Kia, Infiniti, Jeep, Lexus, Lincoln, Mazda, Mercedes, Mercury, Mitsubishi, Nissan, Plymouth, Scion, Toyota, Volkswagen, and GM (Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn).
Additional Information:
- Ensure part number matches for proper fitment.
- Some ECMs may need to be flashed or reprogrammed.
- Verify fitment with a dealer or local mechanic before purchasing.
- It’s your responsibility to confirm the part’s compatibility based on the part number you provide.
- We offer a 30-day 100% refund or replacement warranty.
- Shipping takes 3-5 business days.
- Check the warranty details with your sales agent.
- For more information on Warranty, Return & Refund Policy, Terms & Conditions, and Shipping Policy, please contact us.
Benefits of Buying Used ECM For Cars & Trucks
Exact Match with Factory Settings
Used ECMs often come from vehicles with the same make, model, and trim, ensuring they match the factory settings of your original ECM. This helps maintain your vehicle’s performance and avoids compatibility issues that can occur with generic or aftermarket units.Cost-Effective for High-Tech Vehicles
New ECMs for high-tech vehicles can be expensive. Used ECMs offer a more affordable option while still providing the necessary functionality for advanced systems in luxury or modern cars.Quick Fix for Error Codes
Replacing a malfunctioning ECM with a tested used unit can quickly resolve error codes and restore your vehicle’s performance. Used ECMs can be obtained and installed faster than new ones, reducing downtime.Ideal for Classic Car Restoration
For classic cars, finding used ECMs that match the original specifications helps maintain authenticity and performance, avoiding the need for aftermarket parts that may not fit the original design.Streamlines Transmission Rebuilds
A used ECM tested for compatibility with a rebuilt transmission ensures smooth operation and proper performance, simplifying the repair process and reducing costs.Supports Fleet Management
Used ECMs offer a cost-effective way to replace failing units in fleet vehicles, helping manage repair expenses and minimize vehicle downtime.Enhanced Diagnostic Insights
Some used ECMs come with diagnostic data from their previous use, helping technicians understand the unit’s performance history and make more informed repair decisions.Reduces Supply Chain Issues
During global supply chain disruptions, used ECMs provide an immediate replacement option, ensuring timely repairs when new parts are not readily available.Customization and Tuning
Used ECMs offer a budget-friendly way to experiment with performance modifications and tuning options, allowing automotive enthusiasts to test different settings without the high cost of new units.OEM-Approved Quality
Many used ECMs are sourced from OEM vehicles, ensuring they meet the same quality standards as new parts. This helps maintain your vehicle’s performance and reliability while offering a cost-effective alternative.
Why Choose Us?
Nationwide Shipping
Get your ordered parts delivered expeditiously. Initial shipping on some orders is FREE ! (*T&C Apply)
Easy Replacements
Enjoy peace of mind with easy eplacements.
Reliability
We offer reliable and quality used OEM Auto Parts, Engines and Transmissions.
Warranty
We provide a standard warranty on all Engines & Transmissions sold by us.
Timely Delivery
We strive and fulfill all our customer orders in a timely manner.
Competitive Pricing
We provide competitive pricing on all our products with multiple options to meet your budget.
Frequently Asked Questions
How long does it usually take to receive the ECM?
You can typically expect your order to arrive within 3-5 business days after it has been processed.
Do I need to program or flash the ECM before installation?
When you order an used ECM from us, we match it with exact part number that customers provide or go with with VIN# of customers and getting a part number to match from dealer so sometimes it just works directly and sometimes it needs to be programmed. In most cases, vehicles older than year 2000 don’t need programming. Newer vehicles have better security systems in place like immobilizer and they require programming it as per the VIN# by a trained technician from dealership or by local mechanic with expertise of re-programming the module safely.
Is the ECM sold as plug & play?
Plug and Play units, are a direct replacement for the factory unit in your car. No additional wiring is needed when installing a Plug and play ECM, nor an adapter harness. programming. Only the older vehicles are known to be plug-and-play and can be directly installed. However we also offer a range of refurbished ECM’s that come programmed as per your VIN#. Please ask your sales rep for prices on re-furbished units.
What forms of payment do you accept?
We accept all major debit and credit cards, as well as wire transfers, Zelle payments, and certified checks.
How do I make a purchase?
You can buy used ABS assembly or other auto parts by visiting our site and selecting the make, model, and part you need with other details to find your part. Or you can simply call us at 1888-668-4608 or text us at 669-315-4669 and our parts specialist will guide you through the process which is as simple as figuring out the correct part, getting prices, and making payments over the phone, via email invoice, and Zelle as well.
What if I received Damaged, Defective or Wrong part?
What should I do if I have additional questions or concerns?
We’re here to help! Please give us a call at our main line – 888-668-4608.
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