Description
Part Description
This chassis brain box is an OEM part removed from a 2012 Jeep Grand Cherokee donor vehicle. The part functions as the driver knee bolster air bag module and has been professionally inspected by our technicians. It is currently on our shelf and ready to ship immediately upon order.
The chassis brain box controls the driver knee bolster air bag deployment in your Jeep Grand Cherokee. These modules commonly need replacement after airbag deployment during accidents, electrical faults, or when diagnostic trouble codes appear related to the supplemental restraint system. A faulty brain box can trigger airbag warning lights and compromise vehicle safety systems.
603 Auto Salvage maintains over 50,000 quality used auto parts in stock from more than 1,100 vehicles. Our experienced team can help you find the exact OEM part you need for your repair. Browse our online inventory or call us to speak with a parts specialist about your specific vehicle requirements. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Chassis Brain Box – Driver Knee Bolster Air Bag Module |
| Interchange # | 7593 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | C — Grade C – Functional condition, 204K miles, inspected and ready to ship |
| Warranty | 30-Day Warranty (Standard coverage for high-mileage electronic components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2012 JEEP GNDCHE |
| VIN | N/A |
| Vehicle Stock # | 1206243906 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Chassis Brain Box – Driver Knee Bolster Air Bag Module:
| ✅ Electrical Connector Integrity | Connectors clean and undamaged, no corrosion present |
| ✅ Housing Condition | Module housing intact with no cracks or impact damage |
| ✅ Mounting Points | All mounting tabs and brackets in good condition |
| ✅ Internal Components | No signs of water damage or internal component failure |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #7593, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2011-2016 | Jeep | Grand Cherokee | 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
What does a chassis brain box do in a Jeep Grand Cherokee?
The chassis brain box controls the driver knee bolster airbag deployment and communicates with the vehicle’s supplemental restraint system. It monitors crash sensors and triggers airbag inflation when needed.
How do I know if my chassis brain box needs replacement?
Common symptoms include airbag warning lights on the dashboard, diagnostic trouble codes related to the SRS system, or airbag deployment during an accident. Professional diagnosis is recommended.
Is this part compatible with other Jeep models?
This part is specifically for the Grand Cherokee, but some components may interchange with other Jeep models. Contact us with your VIN for exact compatibility verification.
Does this part require programming after installation?
Most chassis brain box modules require programming or initialization by a qualified technician with proper diagnostic equipment. Professional installation is strongly recommended.
What is interchange number 7593?
The interchange number 7593 is an industry standard reference that helps identify compatible parts across different salvage yards and parts suppliers nationwide.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Part Number | 591 |
| Interchange | 7593 |
| Stock Number | 1206243906 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $350-450 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-300 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $175-225 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $150 | 30-Day Warranty | Tested, Grade C, ships in 24hrs |
Installation Notes
- Disconnect battery and wait 10 minutes before removing airbag components
- Handle the module carefully and avoid dropping or impact damage
- Ensure all electrical connections are clean and properly seated
- Professional programming may be required after installation
🔍 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
- 30-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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