Description
Part Description
This used OEM engine control module (ECM) was removed from a 2004 Honda Civic equipped with a 1.7L SOHC engine and automatic transmission. The part carries OEM number 37820PLM-A72 and has been thoroughly inspected by our technicians. This electronic control unit is currently on our shelf and ready for immediate shipment to get your Honda back on the road.
The engine control module is the brain of your Honda’s fuel injection and ignition systems, managing everything from air-fuel mixture to timing advance. ECMs commonly fail due to electrical surges, corrosion from moisture exposure, or internal component degradation over time. When your ECM fails, you may experience no-start conditions, poor fuel economy, rough idling, or various check engine light codes that point to communication errors.
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 Honda parts you need. Call us today or browse our online inventory to find the right parts for your repair project. 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 # | 60538 |
| OEM Part Number | 37820PLM-A72 |
| Side | N/A |
| Part Grade | X — Grade X – Inspected and ready to ship, pulled from 1.7L SOHC automatic transmission vehicle |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2004 HONDA CIVIC |
| VIN | N/A |
| Vehicle Stock # | PCM2556 |
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 straight and free of corrosion |
| ✅ Housing Integrity | Case intact with no cracks or damage |
| ✅ Circuit Board | Internal components visually inspected for damage |
| ✅ Part Number Verification | OEM number 37820PLM-A72 confirmed |
| ✅ Mounting Points | All mounting tabs and brackets in good condition |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #60538, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2004 | Honda | Civic | 1.7L SOHC engine with automatic transmission – 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 work in my 2004 Honda Civic?
This ECM is specifically for 2004 Honda Civic models with 1.7L SOHC engines and automatic transmissions. The ECM may need to be programmed to your vehicle’s VIN for proper operation.
Does the ECM come pre-programmed?
Used ECMs typically retain their original programming and may need to be reprogrammed by a qualified technician to match your vehicle’s VIN and specifications. Contact your local Honda dealer or automotive locksmith for programming services.
What are signs that my Honda Civic ECM is failing?
Common symptoms include no-start conditions, engine stalling, poor fuel economy, rough idling, transmission shifting issues, and check engine lights with multiple unrelated codes or communication error codes.
How do I know if this is the right part number for my car?
Check your current ECM for the part number 37820PLM-A72 or contact us with your VIN for verification. The ECM is typically located in the engine compartment near the battery or fuse box.
Can I install this ECM myself?
ECM replacement involves disconnecting the battery, removing the old unit, and installing the new one. However, programming typically requires specialized equipment and should be done by a qualified technician.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Honda OEM Part Number | 37820PLM-A72 |
| Interchange Number | 60538 |
| Engine Type | 1.7L SOHC |
| Transmission Type | Automatic |
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 the negative battery cable and wait 10 minutes before removing the old ECM
- Take photos of connector positions before disconnecting to ensure proper reconnection
- Handle the ECM carefully and avoid touching circuit board components
- Ensure all connectors are fully seated and locked in place during installation
- Have the ECM programmed to your vehicle’s VIN before expecting normal 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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