Description
Part Description
This used OEM chassis brain box was removed from a 2014 Buick Enclave donor vehicle. Also known as a fuel pump control module, this electronic control unit has been professionally inspected and tested to ensure proper functionality. The part is currently on our shelf and ready for immediate shipment to get your vehicle back on the road.
The chassis brain box is a critical electronic component that controls fuel pump operation in your Buick Enclave. When this module fails, you may experience symptoms like intermittent fuel pump operation, no-start conditions, or fuel system error codes. Common causes of failure include electrical surges, moisture intrusion, or normal wear over time, making replacement necessary to restore proper fuel system function.
At 603 Auto Salvage, we maintain over 50,000 quality used auto parts in stock from more than 1,100 vehicles. Our experienced team carefully inspects each electronic component to ensure reliability. Browse our extensive inventory online or contact us to verify compatibility and discuss your specific 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 | Chassis Brain Box (Fuel Pump Control Module) |
| Interchange # | 7635 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | X — Used OEM part – Inspected and tested, ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for tested electronic components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2014 BUICK ENCLAV |
| VIN | N/A |
| Vehicle Stock # | ENFUEL1124 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Chassis Brain Box (Fuel Pump Control Module):
| ✅ Electrical Connections | All terminals and connectors inspected for corrosion or damage |
| ✅ Housing Integrity | Module casing checked for cracks or moisture damage |
| ✅ Circuit Board | Internal components visually inspected for burn marks or damage |
| ✅ Mounting Points | Bracket and mounting hardware verified as secure |
| ✅ Part Number Verification | Confirmed correct application for 2014 Buick Enclave |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #7635, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2008-2017 | Buick | Enclave | All trim levels and engine options |
| 2009-2017 | Chevrolet | Traverse | All trim levels and engine options |
| 2007-2016 | GMC | Acadia | All trim levels and engine options |
| 2007-2010 | Saturn | Outlook | All trim levels and engine options |
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 are the symptoms of a bad chassis brain box in a Buick Enclave?
Common symptoms include intermittent fuel pump operation, no-start conditions, fuel system error codes, or the fuel pump not priming when you turn the key. You may also experience stalling or loss of power while driving.
Is this chassis brain box compatible with all 2014 Buick Enclave trim levels?
Yes, this chassis brain box fits all 2014 Buick Enclave trim levels including CX, CXL-1, CXL-2, and Premium models. The fuel pump control module is the same across all trim variations.
Does this part need to be programmed after installation?
Most chassis brain boxes are plug-and-play replacements that do not require programming. However, some vehicles may need a brief relearn procedure or clearing of stored codes after installation.
How do I know if my fuel pump control module is failing?
Signs include difficulty starting, intermittent stalling, fuel pump not running when key is turned on, or diagnostic trouble codes related to fuel pump circuit malfunction. A scan tool can help identify specific error codes.
What other GM vehicles use this same chassis brain box?
This part with interchange 7635 also fits Chevrolet Traverse, GMC Acadia, and Saturn Outlook models from the same generation. These vehicles share the same Lambda platform and fuel system components.
Where is the chassis brain box located in a 2014 Buick Enclave?
The chassis brain box is typically mounted in the rear crossmember area near the fuel tank. It may also be located under the vehicle or in the rear cargo area depending on the specific model year and configuration.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Interchange Number | 7635 |
| Stock Number | ENFUEL1124 |
| Part Classification | Fuel Pump Control Module |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $180-$250 | 1 year | Brand new, longest wait time |
| Aftermarket | $120-$180 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $85-$120 | 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 battery before removing the old module to prevent electrical damage
- Take a photo of wire connections before disconnecting to ensure proper reconnection
- Clean all electrical connections with contact cleaner before installing the replacement
- Secure all mounting hardware to prevent vibration damage to the module
- Clear any stored fault codes after installation and test fuel pump 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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