Description
Part Description
This engine control module (ECM) was removed from a 2005 Nissan Pathfinder equipped with a 3.5L V6 engine and all-wheel drive system. The ECM has been professionally inspected by our technicians and is currently on our shelf ready for immediate shipment. This electronic brain box controls critical engine functions including fuel injection, ignition timing, and emissions systems.
The engine control module is essential for proper vehicle operation, managing fuel delivery, spark timing, and various engine sensors. Common reasons for ECM replacement include water damage, electrical surges, internal component failure, or corrosion from environmental exposure. When an ECM fails, symptoms typically include no-start conditions, rough idle, poor fuel economy, or illuminated check engine lights.
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 other components you need for your Nissan Pathfinder. Contact us to verify compatibility or browse our extensive inventory online for additional Nissan 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 # | 61091 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Grade X – Inspected and ready to ship, 3.5L 6 cylinder, 4×4 AWD, Auto Trans ID MEC35-752 A1 4Z20 |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2005 NISSAN TRUCKS PATHFI |
| VIN | N/A |
| Vehicle Stock # | PCM8778 |
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 |
| ✅ Mounting Points | All mounting tabs and brackets secure |
| ✅ Part Numbers | Verified compatibility with interchange database |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #61091, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2005 | Nissan | Pathfinder | 3.5L V6, AWD, Auto Trans – Contact us for full compatibility list |
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 2005 Nissan Pathfinder?
This ECM is compatible with 2005 Nissan Pathfinder models equipped with 3.5L V6 engines and AWD. Contact us with your VIN to verify exact compatibility before purchase.
Does the ECM need to be programmed after installation?
Yes, most ECMs require programming to match your vehicle’s VIN and specific configuration. This service is typically performed by a qualified technician or dealership.
What causes ECM failure in Nissan vehicles?
Common causes include water damage, electrical surges from jump-starting, internal component wear, and corrosion from moisture exposure. Failed ECMs often cause no-start conditions or erratic engine performance.
How do I know if my ECM is bad?
Symptoms include engine not starting, rough idle, stalling, poor fuel economy, transmission shifting issues, or multiple check engine lights. Professional diagnosis is recommended to confirm ECM failure.
What is included with this ECM purchase?
You receive the complete engine control module as shown. Programming and installation are not included and must be performed by a qualified technician.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 61091 |
| Stock Number | PCM8778 |
| Trans ID | MEC35-752 A1 4Z20 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $800-1200 | 1 year | Brand new, longest wait time |
| Aftermarket | $400-600 | 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 X, ships in 24hrs |
Installation Notes
- Disconnect battery before removing old ECM to prevent electrical damage
- Use anti-static precautions when handling the ECM to protect sensitive circuits
- Ensure all electrical connections are clean and properly seated
- Have the ECM programmed by a qualified technician after installation
- Clear diagnostic codes after 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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