Description
Part Description
This Engine Control Module (ECM) was removed from a 2005 Jeep Grand Cherokee equipped with a 3.7L engine and 4×4 drivetrain. The electronic brain box was located in the right rear engine compartment of the donor vehicle. This ECM has been professionally inspected by our technicians and is currently on the shelf ready for immediate shipment.
The Engine Control Module is the central computer that manages your vehicle’s engine performance, fuel injection, ignition timing, and emissions systems. ECMs commonly fail due to electrical surges, moisture intrusion, or internal component degradation over time. When your ECM fails, you may experience no-start conditions, poor fuel economy, rough idling, or check engine lights that won’t clear.
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 you need for your Jeep. Browse our online inventory or call us directly to speak with our parts specialists about 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) – Electronic Brain Box |
| Interchange # | 7674 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Good working condition, removed from right rear engine compartment, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2005 JEEP GNDCHE |
| VIN | N/A |
| Vehicle Stock # | CHEPCM24 |
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 |
| ✅ Moisture Damage | No signs of water intrusion or corrosion |
| ✅ Circuit Board | Internal components visually inspected |
| ✅ Part Number Verification | Confirmed correct application for 3.7L 4×4 |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #7674, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2005 | Jeep | Grand Cherokee | 3.7L engine with 4×4 – 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 Jeep Grand Cherokee?
This ECM is specifically for 2005 Grand Cherokee models with 3.7L engines and 4×4 drivetrain. Contact us with your VIN to verify exact compatibility before ordering.
Does the ECM need to be programmed after installation?
Yes, most ECMs require programming to your vehicle’s VIN and security system. This service is typically performed by a dealership or qualified automotive locksmith.
What are signs that my ECM is failing?
Common symptoms include no-start conditions, rough idling, poor fuel economy, transmission shifting issues, and persistent check engine lights that return after clearing.
How do I know if this is the right part number?
The ECM part number is usually printed on a label on the module itself. Remove your current ECM and compare the numbers, or contact us with your VIN for verification.
Can I return this ECM if it doesn’t work?
Yes, this part comes with our 90-day warranty. If the part fails during normal use within the warranty period, we will provide a replacement or refund.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 7674 |
| Engine | 3.7L |
| Drivetrain | 4×4 |
| Location | Right rear engine compartment |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $350-500 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-350 | 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 disconnecting to ensure proper reassembly
- Handle the ECM carefully and avoid touching circuit board components
- Ensure all connectors are fully seated and locked in place
- Have the ECM programmed to your vehicle 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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