Description
Part Description
This transfer case was removed from a 2011 GM Trucks Sierra 1500 and has been professionally inspected for quality and functionality. The unit features electric shift operation with dash switch control and is designed for use with 6-speed automatic transmissions (option MYC) and transfer case option NQH. This part has been cleaned, tested, and is currently on our shelf ready to ship.
Transfer cases are critical components in 4WD vehicles that distribute power between the front and rear axles. Common replacement reasons include internal gear wear, chain stretch, fluid leaks from seals, actuator motor failure, or damage from lack of maintenance. The electric shift system provides convenient 2WD/4WD selection from the driver’s seat, making it essential for proper 4-wheel drive operation.
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 can help you find the right transfer case for your GM truck. Browse our online inventory or contact us to verify fitment and availability for your specific vehicle. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Transfer Case Assembly – Electric Shift |
| Interchange # | 807 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – Good working condition with 196K miles, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard coverage for high-mileage drivetrain components) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2011 GM TRUCKS SIER15 |
| VIN | N/A |
| Vehicle Stock # | 0401240547 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Transfer Case Assembly – Electric Shift:
| ✅ Case Housing | Inspected for cracks, damage, and mounting points |
| ✅ Chain and Gears | Verified for proper engagement and minimal wear |
| ✅ Electric Actuator | Tested for proper shift operation and response |
| ✅ Seals and Gaskets | Checked for leaks and seal integrity |
| ✅ Input/Output Shafts | Verified for smooth rotation and proper spline condition |
| ✅ Fluid Level | Checked and topped off with proper transfer case fluid |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #807, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2007-2013 | Chevrolet | Silverado 1500 | 4WD models with 6-speed automatic transmission |
| 2007-2013 | GMC | Sierra 1500 | 4WD models with 6-speed automatic transmission |
| 2007-2014 | Chevrolet | Suburban | 4WD models with compatible transmission |
| 2007-2014 | Chevrolet | Tahoe | 4WD models with compatible transmission |
| 2007-2014 | GMC | Yukon | 4WD models with compatible transmission |
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 transfer case fit my 2011 Silverado 1500?
Yes, this transfer case is compatible with 2011 Silverado 1500 4WD models equipped with the 6-speed automatic transmission. Verify your vehicle has the electric shift 4WD system with dash-mounted controls.
What are signs that my transfer case needs replacement?
Common symptoms include difficulty shifting between 2WD and 4WD, grinding noises during operation, fluid leaks underneath the vehicle, or warning lights on the dashboard. Binding during turns in 4WD mode can also indicate internal problems.
Does this transfer case come with the electric shift motor?
Yes, this unit includes the electric shift actuator motor that controls the 2WD/4WD engagement. The system is designed to work with your existing dash switch controls.
What fluid does this transfer case use?
GM transfer cases typically use Dexron VI automatic transmission fluid or GM-specific transfer case fluid. Check your owner’s manual for the exact specification and capacity requirements.
Can I install this transfer case myself?
Transfer case replacement requires lifting the vehicle, supporting the transmission, and disconnecting driveshafts. This job requires mechanical experience and proper tools. Professional installation is recommended for safety and warranty coverage.
How do I verify this will fit my specific truck?
Contact us with your VIN number and we can verify exact compatibility. We can also check for the transfer case option code NQH and transmission option MYC in your vehicle’s build sheet.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Transfer Case Option | NQH |
| Transmission Option | MYC (6-speed automatic) |
| Interchange Number | 807 |
| Shift Type | Electric with dash switch |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $1,200-$1,800 | 1 year | Brand new, longest wait time |
| Aftermarket | $800-$1,200 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $300-$450 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $250.00 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
Installation Notes
- Support the transmission with a jack before removing the transfer case to prevent damage
- Mark driveshaft positions before removal to ensure proper reassembly alignment
- Clean all mating surfaces thoroughly and use new gaskets during installation
- Fill with proper fluid type and quantity – typically 2-3 quarts depending on model
- Test electric shift operation in all modes before final road testing
🔍 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 Freight. 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) | $150 – $250 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $200 – $350 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $300 – $450 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $350 – $475 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $400 – $550 | 4–6 business days |
| West Coast (CA, OR, WA) | $450 – $600 | 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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