Description
Part Description
This OEM Engine Control Module (ECM) was removed from a 2010 Mazda MAZ5 donor vehicle and has been professionally inspected for proper operation. The ECM is mounted by the battery compartment and is designed for US market vehicles with Federal emissions and automatic transmission. This electronic brain box has been tested and is currently on our shelf ready for immediate shipment.
The Engine Control Module is the central computer that manages your vehicle’s engine performance, fuel injection, ignition timing, and emissions systems. When an ECM fails, symptoms include poor fuel economy, rough idling, stalling, or complete engine shutdown. Common causes of ECM failure include electrical surges, moisture damage, or component wear over time, making replacement necessary to restore proper engine function.
At 603 Auto Salvage, we maintain over 50,000 quality used parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team carefully inspects each electronic component to ensure reliable performance. Contact us to verify compatibility with your specific vehicle or browse our extensive inventory online for additional Mazda parts. 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) – Electronic Brain Box |
| Interchange # | 52611 |
| OEM Part Number | L3DF18881A |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition, 195K miles, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard electronic component warranty based on tested functionality) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2010 MAZDA MAZ5 |
| VIN | N/A |
| Vehicle Stock # | 0626243387 |
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) – Electronic Brain Box:
| ✅ Electronic Function Test | All circuits tested for proper operation |
| ✅ Connector Inspection | All pins and connections verified intact |
| ✅ Housing Condition | No cracks or damage to protective casing |
| ✅ Moisture Check | No signs of water damage or corrosion |
| ✅ Programming Verification | Confirmed compatible with AT Federal emissions |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #52611, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2010 | Mazda | MAZ5 | US market, Federal emissions, automatic transmission only |
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 work in my 2010 Mazda MAZ5?
This ECM is compatible with 2010 Mazda MAZ5 vehicles equipped with automatic transmission and Federal emissions. Programming may be required by a qualified technician to match your vehicle’s VIN.
Does the ECM need to be programmed after installation?
Yes, most ECMs require programming to your specific vehicle’s VIN and configuration. This should be performed by a qualified automotive technician or dealership with the proper diagnostic equipment.
What causes ECM failure in Mazda vehicles?
Common causes include electrical surges from jump-starting, moisture intrusion, component aging, and voltage spikes from alternator problems. Symptoms include poor performance, stalling, or check engine lights.
Is this a remanufactured or original ECM?
This is an original OEM ECM removed from a donor vehicle, not remanufactured. It has been tested for proper function and comes with our standard warranty.
Can I return the ECM if it doesn’t work in my vehicle?
Yes, we offer a 90-day warranty on this ECM. If it fails to function properly after professional installation and programming, contact us for warranty service or return options.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| OEM Part Number | L3DF18881A |
| Interchange Number | 52611 |
| Stock Number | 0626243387 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $400-600 | 1 year | Brand new, longest wait time |
| Aftermarket | $250-400 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $150-250 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Disconnect battery before removing old ECM to prevent electrical damage
- Handle ECM carefully and avoid static electricity – use anti-static precautions
- Professional programming to your vehicle’s VIN is required after installation
- Clear all diagnostic codes after installation and programming is complete
🔍 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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