Description
Part Description
This engine control module (ECM/PCM) brain box was removed from a 2008 Nissan Altima donor vehicle. The electronic control unit has been inspected by our technicians and is currently on the shelf ready for immediate shipment. This OEM part controls critical engine functions including fuel injection, ignition timing, and emissions systems.
The engine brain box is a critical component that manages your vehicle’s engine performance and efficiency. Common reasons for replacement include water damage from flooding, electrical failures, internal circuit board damage, or programming corruption. When this module fails, symptoms can include no-start conditions, rough idle, poor fuel economy, or various engine warning lights on the dashboard.
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 ECM for your specific vehicle and provide programming guidance. Contact us to verify compatibility and discuss your engine control module needs. 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/PCM) Brain Box |
| Interchange # | 51676 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Grade X – Inspected and ready to ship, currently on shelf |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2008 NISSAN ALTIMA |
| VIN | N/A |
| Vehicle Stock # | ALTEBX24 |
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/PCM) Brain Box:
| ✅ Connector Pins | All pins intact and free of corrosion |
| ✅ Housing Integrity | Case shows no cracks or damage |
| ✅ Water Damage | No signs of moisture intrusion |
| ✅ Circuit Board | Internal components appear undamaged |
| ✅ Mounting Points | All mounting tabs and brackets secure |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #51676, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2008 | Nissan | Altima | Contact us for full compatibility list and programming requirements |
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
Does this ECM need to be programmed for my 2008 Altima?
Yes, engine control modules typically require programming to match your vehicle’s VIN and specifications. Contact us for programming guidance and local shop recommendations.
What are common signs of ECM failure in a Nissan Altima?
Common symptoms include no-start conditions, rough idle, stalling, poor fuel economy, transmission shifting issues, and check engine lights. Multiple warning lights appearing simultaneously often indicates ECM problems.
Will this brain box fit other Nissan models besides the Altima?
This ECM may be compatible with other 2008 Nissan models sharing the same engine and transmission combination. Contact us with your VIN to verify exact compatibility.
How do I know if my ECM is bad or if it’s another problem?
ECM diagnosis requires professional scanning equipment to check for communication errors and internal faults. Many symptoms can mimic other issues, so proper diagnosis is essential before replacement.
Can I install this ECM myself?
While physical installation is straightforward, ECMs require professional programming and may need security system initialization. We recommend professional installation to ensure proper operation.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 51676 |
| Stock Number | ALTEBX24 |
| Part Number | 590 |
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 | $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 the module carefully and avoid static electricity discharge
- Ensure all connectors are fully seated and locked in place
- Have the new ECM programmed before final installation when possible
🔍 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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