Description
Part Description
This Engine Control Module (ECM) was removed from a 2008 Ford Focus donor vehicle equipped with a 2.0L DOHC engine and manual transmission. The unit is identified as part number 8S4A-AVB and mounts on the left side of the engine firewall. Our technicians have inspected this electronic control module and it is currently on the shelf ready for immediate shipment.
The Engine Control Module is the brain of your vehicle’s engine management system, controlling fuel injection, ignition timing, emissions systems, and other critical engine functions. ECMs commonly fail due to electrical surges, water damage, or internal component degradation over time. When your ECM fails, you may experience no-start conditions, rough idle, poor fuel economy, or various engine warning lights.
At 603 Auto Salvage, we maintain over 50,000 quality used auto parts in stock from more than 1,100 vehicles. Our experienced team can help you find the right ECM for your Ford Focus and provide programming guidance. Call us at to verify compatibility or browse our extensive online inventory for additional Ford 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 Control Unit |
| Interchange # | 1385 |
| OEM Part Number | 8S4A-AVB |
| Side | N/A |
| Part Grade | X — Grade X – Inspected electronic control module, standard emissions, manual transmission application |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2008 FORD FOCNRS |
| VIN | N/A |
| Vehicle Stock # | PCM0143 |
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 Control Unit:
| ✅ Connector Integrity | All electrical connectors inspected for damage and corrosion |
| ✅ Housing Condition | ECM case checked for cracks, water damage, and physical integrity |
| ✅ Pin Condition | All connector pins verified straight and free of corrosion |
| ✅ Mounting Points | Bracket and mounting hardware inspected for completeness |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #1385, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2008 | Ford | Focus | 2.0L DOHC engine, manual transmission, standard emissions – Contact us for full compatibility verification |
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 need to be programmed for my 2008 Ford Focus?
Yes, ECMs typically require programming to match your vehicle’s VIN and specific configuration. Most automotive locksmiths or Ford dealerships can perform this programming service.
How do I know if my Ford Focus ECM is failing?
Common symptoms include engine not starting, rough idle, stalling, poor fuel economy, check engine light, or multiple warning lights on the dashboard.
Is this ECM compatible with automatic transmission Ford Focus models?
This specific ECM is programmed for manual transmission applications. Contact us to verify compatibility with your specific transmission type and engine configuration.
What causes Ford Focus ECM failure?
ECMs can fail due to electrical surges, water damage from flooding, extreme temperature exposure, or normal wear of internal electronic components over time.
Can I install this ECM myself?
While physically installing the ECM is straightforward, programming requires specialized equipment. Professional installation and programming is recommended for proper operation.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Ford Part Number | 8S4A-AVB |
| Interchange Number | 1385 |
| Application | 2.0L DOHC Manual Transmission |
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 or installing ECM to prevent electrical damage
- Take photos of connector positions before disconnection for proper reassembly
- Handle ECM carefully and avoid static electricity – use anti-static precautions
- Ensure all connectors are fully seated and locked in place before testing
🔍 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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