Description
Part Description
This Grade A engine control module was removed from a 2010 Lexus ES350 with only 99,000 miles. The ECM has been professionally inspected and tested to ensure proper operation. This unit is currently on our shelf and ready for immediate shipment to get your vehicle back on the road quickly.
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, symptoms include no-start conditions, rough idling, poor fuel economy, or check engine lights that won’t clear.
At 603 Auto Salvage, we maintain over 50,000 quality used parts from more than 1,100 vehicles in our Plaistow, NH facility. Our experienced team carefully inspects each part to ensure reliability. Browse our extensive inventory online or contact us to verify compatibility and availability for your specific vehicle 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) – Electronic Control Unit |
| Interchange # | 52884 |
| OEM Part Number | 89661-33F40 |
| Side | N/A |
| Part Grade | A — Grade A – 99K miles, good working condition, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic components under 100K miles) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2010 LEXUS ES350 |
| VIN | N/A |
| Vehicle Stock # | 0208243269 |
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 Pins | All pins straight and corrosion-free |
| ✅ Housing Integrity | No cracks or damage to ECM case |
| ✅ Circuit Board | Internal components visually inspected |
| ✅ Mounting Points | All mounting tabs intact |
| ✅ Part Number Verification | Confirmed OEM part number 89661-33F40 |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #52884, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2007-2012 | Lexus | ES350 | Automatic transmission models |
| 2008-2012 | Toyota | Camry | 3.5L V6 engine with automatic transmission |
| 2009-2012 | Toyota | Venza | 3.5L V6 engine models |
| 2007-2011 | Toyota | Avalon | 3.5L V6 automatic transmission |
| 2008-2010 | Toyota | Highlander | 3.5L V6 engine applications |
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 programming for my 2010 Lexus ES350?
Yes, this ECM will require programming by a qualified technician or dealership to match your vehicle’s VIN and security system. Programming ensures proper communication with other vehicle modules.
How do I know if my engine control module has failed?
Common symptoms include engine not starting, rough idle, stalling, poor fuel economy, transmission shifting issues, or persistent check engine lights. A diagnostic scan can confirm ECM-related fault codes.
Is this the same part number as my original ECM?
This unit has OEM part number 89661-33F40. You can verify compatibility by checking your current ECM’s part number or contacting us with your VIN for confirmation.
What causes engine control modules to fail?
ECMs typically fail due to electrical surges from jump-starting or alternator issues, water damage from flooding, overheating, or normal wear of internal components over time.
Can I install this ECM myself?
While physical installation is straightforward, the ECM requires professional programming to function properly. Most customers have the part programmed at a dealership or qualified automotive shop.
Does this ECM come with any security or immobilizer programming?
This is a blank ECM that will need to be programmed with your vehicle’s security codes and calibration data. The programming process will handle all security and immobilizer functions.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| OEM Part Number | 89661-33F40 |
| Interchange Number | 52884 |
| Location | By glove box area |
| Transmission Type | Automatic |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $450-650 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-350 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $125-200 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $75 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Disconnect battery for at least 10 minutes before ECM removal or installation
- Handle the ECM carefully and avoid touching connector pins or circuit boards
- Ensure all electrical connections are clean and properly seated before programming
- Have your VIN and vehicle information ready for the programming process
- Clear all diagnostic codes after programming and perform a test drive to verify 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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