Description
Part Description
This Engine Control Module (ECM) was removed from a 2010 Subaru Legacy equipped with a 2.5L non-turbo engine and automatic transmission with California emissions. The electronic control unit has been thoroughly inspected by our certified technicians and is currently on our shelf ready for immediate shipment. This OEM Subaru part ensures proper engine management and emissions control for your vehicle.
The Engine Control Module is the central computer that manages your Subaru’s engine performance, fuel injection, ignition timing, and emissions systems. ECM failures commonly occur due to electrical surges, water damage, or internal component degradation over time, resulting in poor engine performance, check engine lights, or no-start conditions. A properly functioning ECM is essential for optimal fuel economy, emissions compliance, and reliable vehicle operation.
603 Auto Salvage maintains an inventory of over 50,000 quality used auto parts from more than 1,100 vehicles in our Plaistow, New Hampshire facility. Our experienced team can help you find the exact ECM or other components you need for your Subaru repair. Browse our online inventory or contact us directly to verify compatibility and availability for your specific vehicle. 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 # | 52319 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Good working condition, 2.5L non-turbo with automatic transmission and California emissions, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2010 SUBARU LEGACY |
| VIN | N/A |
| Vehicle Stock # | LEGECM |
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:
| ✅ Connector Pins | All pins intact and free of corrosion |
| ✅ Housing Integrity | No cracks or damage to ECM case |
| ✅ Circuit Board | Internal components visually inspected for damage |
| ✅ Part Number Verification | Confirmed correct application for 2010 Legacy 2.5L AT |
| ✅ Electrical Testing | Basic electrical continuity verified |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #52319, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2010 | Subaru | Legacy | 2.5L non-turbo, automatic transmission, California emissions |
| 2010 | Subaru | Outback | 2.5L non-turbo, automatic transmission, California emissions – verify ECM part number |
| 2009-2010 | Subaru | Legacy | 2.5L non-turbo AT models – contact to verify emissions specification |
| 2009-2010 | Subaru | Outback | 2.5L non-turbo AT models – contact to verify emissions specification |
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 Subaru Legacy?
This ECM is specifically for 2010 Legacy models with 2.5L non-turbo engines and automatic transmissions with California emissions. Contact us with your VIN to verify exact compatibility before ordering.
Does the ECM need to be programmed after installation?
Yes, most ECMs require programming to your vehicle’s VIN and may need key programming. This should be done by a qualified Subaru technician or automotive locksmith with the proper diagnostic equipment.
What are signs of a failing ECM in a Subaru Legacy?
Common symptoms include check engine lights, poor fuel economy, rough idling, stalling, no-start conditions, or erratic engine behavior. Professional diagnosis is recommended to confirm ECM failure.
Is this ECM compatible with manual transmission Legacy models?
No, this specific ECM is calibrated for automatic transmission models only. Manual transmission vehicles require a different ECM with appropriate programming for the transmission type.
What’s included with the ECM purchase?
You receive the complete ECM unit as shown. Programming, installation, and any required adapters or connectors are not included and must be arranged separately.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 52319 |
| Stock Number | LEGECM |
| Engine Type | 2.5L Non-Turbo |
| Transmission | Automatic |
| Emissions | California |
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 | $100-$150 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $75 | 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 ECM carefully and avoid static electricity – use anti-static precautions
- Ensure all connectors are fully seated and locked in place during installation
- Have 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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