Description
Part Description
This Engine Control Module (ECM) was removed from a 2008 Subaru Tribeca and is designed for the 3.6L engine configuration. The electronic brain box was located on the right-hand front floor of the donor vehicle and has been thoroughly inspected by our technicians. This OEM unit is currently on our shelf and 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. ECM failures are common due to electrical surges, water damage, or internal component degradation over time, often causing symptoms like poor fuel economy, rough idling, stalling, or check engine lights. A faulty ECM can leave your vehicle inoperable, making replacement critical for proper engine function.
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 exact ECM or any other component you need for your Subaru. Call us today or browse our extensive online inventory to get your vehicle back on the road with reliable, affordable OEM 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 # | 51181 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | C — Grade C – Good working condition, removed from 248,679-mile vehicle, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard coverage for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2008 SUBARU TRIBEC |
| VIN | N/A |
| Vehicle Stock # | 0905236521 |
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 Condition | No cracks or physical damage to ECM case |
| ✅ Circuit Board | Internal components visually inspected, no obvious damage |
| ✅ Part Number Verification | Confirmed correct application for 2008 Tribeca 3.6L |
| ✅ Mounting Points | All mounting tabs and brackets in good condition |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #51181, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2008-2014 | Subaru | Tribeca | 3.6L engine only |
| 2010-2012 | Subaru | Legacy | 3.6L H6 engine models |
| 2010-2012 | Subaru | Outback | 3.6L H6 engine models |
| 2013-2019 | Subaru | Legacy | 3.6L H6 engine models |
| 2013-2019 | Subaru | Outback | 3.6L H6 engine models |
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 2008 Subaru Tribeca?
Yes, this ECM is specifically from a 2008 Tribeca with 3.6L engine. However, ECMs may require programming to match your vehicle’s VIN and options, so professional installation is recommended.
Do I need to program this ECM after installation?
Most ECMs require programming or initialization when installed in a different vehicle. Contact a Subaru dealer or qualified technician to ensure proper programming for your specific vehicle.
What are signs that my ECM is failing?
Common symptoms include check engine lights, poor fuel economy, rough idling, stalling, transmission shifting problems, or the vehicle not starting at all.
Is this the same as a PCM or ECU?
ECM (Engine Control Module), PCM (Powertrain Control Module), and ECU (Electronic Control Unit) are often used interchangeably. This unit specifically controls engine functions in your Subaru.
Can I install this ECM myself?
While physically installing an ECM is straightforward, programming and initialization typically require dealer-level diagnostic equipment. Professional installation is strongly recommended.
What causes ECM failure in Subaru vehicles?
Common causes include electrical surges, water damage from floods or leaks, overheating, vibration damage, or simply age-related component failure in the internal circuits.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 51181 |
| Stock Number | 0905236521 |
| Part Code | EBX |
| Location Code | 3.6L RH Front Floor |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $450-$750 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-$400 | 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 C, ships in 24hrs |
Installation Notes
- Disconnect battery and wait 10 minutes before removing old ECM to prevent electrical damage
- Take photos of connector positions before disconnection to ensure proper reconnection
- Handle the ECM carefully – avoid static electricity and never touch circuit board components
- Ensure all connectors are fully seated and locked in place during installation
- Have the ECM programmed immediately after installation to prevent drivability issues
🔍 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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