Description
Part Description
This engine control module (ECM) was removed from a 2001 Toyota Avalon donor vehicle and has been professionally inspected for functionality. The brain box is currently on our shelf and ready for immediate shipment. This OEM unit controls critical engine functions including fuel injection, ignition timing, and emissions systems.
Engine control modules commonly fail due to electrical surges, water damage, or internal component degradation over time. When an ECM fails, symptoms include rough idling, poor fuel economy, check engine lights, or complete engine shutdown. A replacement ECM restores proper engine management and performance.
603 Auto Salvage maintains over 50,000 quality used parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team can help you find the right ECM for your Toyota. Browse our online inventory or call us to verify compatibility and availability. 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/Brain Box) |
| Interchange # | 58595 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Inspected and ready to ship from shelf stock |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2001 TOYOTA AVALON |
| VIN | N/A |
| Vehicle Stock # | AVECM24 |
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/Brain Box):
| ✅ Connector Pins | All pins intact and free of corrosion |
| ✅ Housing Integrity | No cracks or damage to ECM case |
| ✅ Circuit Board | Visually inspected for burn marks or damage |
| ✅ Mounting Points | All mounting tabs and brackets secure |
| ✅ Part Number Verification | Confirmed correct application match |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #58595, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2000-2004 | Toyota | Avalon | 3.0L V6 engine applications |
| 1999-2003 | Toyota | Camry | 3.0L V6 engine with matching part number |
| 1999-2003 | Toyota | Solara | 3.0L V6 engine applications |
| 2001-2003 | Lexus | ES300 | Verify part number compatibility |
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 2001 Toyota Avalon?
Yes, most ECMs require programming to match your vehicle’s VIN and specifications. Contact your Toyota dealer or qualified automotive technician for programming services after installation.
What are signs that my Toyota Avalon ECM is failing?
Common symptoms include check engine lights, rough idling, poor acceleration, reduced fuel economy, or the engine not starting. These issues can also indicate other problems, so proper diagnosis is recommended.
Will this brain box fit other Toyota models besides the Avalon?
This ECM may fit other Toyota models with the same engine and year range, including Camry and Solara with 3.0L V6 engines. Always verify the part number matches your vehicle’s requirements.
How do I know if this is the correct ECM for my vehicle?
Check your current ECM’s part number and compare it with our interchange number 58595. You can also provide your VIN and we’ll help verify compatibility before purchase.
What causes Toyota ECMs to fail?
ECMs can fail due to electrical surges, water damage, overheating, or normal wear over time. Power supply issues, corroded connectors, and manufacturing defects can also cause premature failure.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 58595 |
| Stock Number | AVECM24 |
| Part Code | EBX |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $400-$800 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-$400 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $80-$150 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $60 | 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 after installation
- Have ECM programmed by qualified technician after installation for proper 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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