Description
Part Description
This used OEM engine control module (ECM) brain box was removed from a 2002 Acura MDX donor vehicle. The electronic control unit has been inspected by our technicians and is currently on the shelf ready for immediate shipment. This genuine Acura part ensures proper engine management and performance.
The engine control module is the computer that manages your vehicle’s engine functions including fuel injection, ignition timing, and emissions control. Common reasons for ECM replacement include electrical failure, water damage, or internal circuit board problems that cause poor engine performance, stalling, or check engine lights that won’t clear.
At 603 Auto Salvage, we maintain over 50,000 quality used parts in stock from more than 1,100 vehicles. Our experienced team can help you find the right part for your repair needs. Contact us to verify compatibility or browse our extensive inventory online. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Engine Control Module (ECM) Brain Box |
| Interchange # | 58910 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Grade X – Inspected and ready to ship from shelf stock |
| Warranty | 90-Day Warranty (Standard warranty for electronic components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2002 ACURA MDX |
| VIN | N/A |
| Vehicle Stock # | MDXEBX |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Control Module (ECM) Brain Box:
| ✅ Physical Housing | Inspected for cracks, corrosion, and connector damage |
| ✅ Connector Pins | Verified all pins are straight and free of corrosion |
| ✅ Circuit Board | Checked for visible damage or burnt components |
| ✅ Part Number | Verified correct application and interchange number |
| ✅ Mounting Points | Confirmed all mounting tabs and brackets are intact |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #58910, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2001-2002 | Acura | MDX | 3.5L V6 engine |
| 1999-2003 | Acura | TL | 3.2L V6 engine – verify part number |
| 2001-2003 | Acura | CL | 3.2L V6 engine – verify part number |
| 1998-2002 | Honda | Accord | V6 models – contact to verify compatibility |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
Will this ECM need to be programmed for my 2002 Acura MDX?
Yes, most engine control modules require programming to match your vehicle’s VIN and security system. This should be done by a qualified technician with the proper diagnostic equipment.
How do I know if my Acura MDX ECM is bad?
Common symptoms include engine stalling, poor fuel economy, check engine lights that won’t clear, or the engine not starting. A diagnostic scan can help confirm ECM failure versus other issues.
What’s the difference between an ECM and PCM?
An ECM (Engine Control Module) controls only engine functions, while a PCM (Powertrain Control Module) controls both engine and transmission. Your 2002 MDX uses separate modules.
Can I install this ECM myself?
While the physical installation is straightforward, programming requires professional diagnostic equipment. Most customers have the part installed and programmed at a shop.
What causes ECM failure in Acura vehicles?
Common causes include water damage, electrical surges, age-related component failure, or corrosion. The 2001-2002 MDX generation is generally reliable but can experience issues as components age.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 58910 |
| Part Number | 590 |
| Stock Number | MDXEBX |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $450-$650 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-$350 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $80-$120 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $65 | 90-Day Warranty | Tested, Grade X, ships in 24hrs |
Installation Notes
- Disconnect battery before removing old ECM to prevent electrical damage
- Take photos of connector positions before disconnecting wiring harnesses
- Handle the ECM carefully and avoid static electricity – use anti-static precautions
- Ensure all connectors are fully seated and locked in place during installation
- Have the new ECM programmed immediately after installation for proper operation
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via FedEx Ground. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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